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... In the present study, antibacterial properties of methanolic and chloroform extracts of Ocimum sanctum, Moringa oleifera and Murraya koenigii leaves against Corynebacterium pseudotuberculosis (CPs) isolated from abscess in dromedary camel were screened using agar well diffusion assay and minimum bactericidal concentration (MBC) were determined using broth microdilution technique. MBC of selected p ...
... This study is designed to investigate the components of hydatid cyst fluid (HCF), the larval stage of Echinococcus granulosus, that acted as antigens during infection in dromedary camels and to identify the antigenic fractions specific to this metacestode. Hydatid cysts were obtained from an infected slaughtered camel in Al-Ahsa central abattoir, Kingdom of Saudi Arabia. Crude antigen extract was ...
... (1) Background: Anaplasmosis is an infectious disease in camels caused by an obligate intracellular bacterium that is transmitted by ticks. (2) Methods: A cross-sectional study was conducted during 2020 to study the seroprevalence of Anaplasma spp. among Camelus dromedarius in three governorates in Egypt and assess the associated risk factors. Serum samples from 365 camels were examined by a compe ...
... Camels are the only animals bred to sustain the tradition of wrestling in Turkey and are reared within a limited set of geographic areas. Farmers of such animals may also be engaged in ruminant breeding. The current research was aimed at documenting bovine viral diarrhoea virus (BVDV), bovine herpesvirus-1 (BHV-1), and bovine leukaemia virus (BLV) infections in sera collected from dromedary camels ...
... An epidemiological study was conducted on the occurrence of babesiosis and anaplasmosis infection in camels (Camelus dromedarius) in the Taif region of Saudi Arabia. A total of 102 blood samples were collected from apparently healthy camels, of varying ages and sex, from three different areas of the Taif region. The blood samples were investigated using Giemsa-stained blood smears and species-spec ...
... The COVID-19 pandemic is a wake-up call on the zoonotic viral spillover events and the need to be prepared for future outbreaks. Zoonotic RNA viruses like the Middle East respiratory syndrome coronavirus (MERS-CoV) are potential pathogens that could trigger the next pandemic. Dromedary camels are the only known animal source of MERS-CoV zoonotic infections, but little is known about the molecular ...
... Among ruminants, some species of cervids, bovids and camelids are capable of producing very high-frequency (HF) calls potentially produced by the aerodynamic whistle mechanism. We analysed the HF calls of six individual adult captive camels: three male and one female two-humped Camelus bactrianus and one male and one female one-humped C. dromedarius. Context of emission differed between sexes and ...
... Camel milk has both nutritional value and therapeutic effects due to its bioactive components, including proteins and peptides. This study characterize endogenous peptide and potential bioactivity in both Dromedary and Bactrian camel by peptidomics techniques. In total, 622 parent protein from 8393 peptides were identified from camel milk, of which 208 proteins from Dromedary and 464 proteins from ...
Camelus dromedarius; camels; eosinophils; flow cytometry; monocytes; neutrophils; phagocytosis; research
Abstract:
... The present study investigated the composition of blood leukocytes in the Magateer and Majaheem camel breeds using immune cell labeling and flow cytometry. In addition, the phagocytosis activity of blood neutrophils and monocytes were compared between the two breeds. Although the total number of leukocytes did not differ significantly between the two camel breeds, a significantly higher fraction a ...
... Camel milk is rich in nutrients and its impact on human medicine and nutrition cannot be ignored. We conducted an in-depth analysis of milk proteins obtained from two camel breed (Camelus bactrianus, CB and Camelus dromedarius, CD). Label-free proteomic technology was performed to analysis the MFGM and whey proteomes of CB and CD milk. In total, 1133 MFGM proteins and 627 whey proteins were identi ...
Camelus dromedarius; adults; cadaver; camels; computed tomography; eyes; research
Abstract:
... Three cadaver heads of adult camels were scanned by 16 slice CT scan machine. The CT imaging findings of ocular components were recorded. The eyeball appeared as hypoattenuating structure whereas, the lens appeared as a hyperattenuating round structure in the centre of the globe. The bony limits of the orbital cavity, ocular and peri-ocular tissues were well identified in axial and reconstructed C ...
... A total of 42 infertile male dromedary camels (4-12 years old, 500-800 kg) and 7 young male camels (control, 2-2.5 years old) were enrolled in the present study. All camels were sedated and preputial swabs were collected and immediately immersed in 1 ml sterile solution of 0.9% NaCl. Preputial swabs were transferred refrigerated within 1 hour to the bacteriological laboratory. After preputial swab ...
... Transcorneal ultrasonographic scanning of 12 adult healthy camels of both sex were performed using linear array transducer on B-mode. The ultrasonographic appearance of the eye was described and ocular dimensions were recorded. The echo-biometric studies on four parameters i.e. anterior chamber depth (ACD), lens thickness (LT), vitreous chamber depth (VCD) and axial length (AL) were recorded. The ...
... Gelation kinetics, rheological and morphological properties of enzymatic curds of raw skim dromedary milk and cows' milk and reconstituted milk prepared from powders produced by spray-drying these raw milk samples were investigated. Processing (spray-drying and reconstitution) significantly increased whey release by curds. Whey release was more pronounced for dromedary milk than for cows' milk. Mi ...
Anaplasma; Bartonella; Borrelia; Camelus dromedarius; Coxiella burnetii; Ehrlichia; Mycoplasma; One Health initiative; Rickettsia; bacteria; epidemiology; humans; phylogeography; public health; urbanization
Abstract:
... This review presents updated knowledge on the main tick-borne bacteria infecting one-humped camels (Camelus dromedarius) around the world. Camels are increasingly the subject of several scientific investigations, showing that they are receptive and carriers of several zoonotic bacteria. An appraisal is also given of the relative public health importance of these bacterial infections according to O ...
Camelus dromedarius; DNA; DNA fragmentation; acrosome; agar gel electrophoresis; camels; chromatin; droplets; epididymis; head; research; semen; tail; ultrastructure; viability
Abstract:
... This study was aimed to declare the role of epididymal passage on semen features, DNA integrity and ultrastructures changes in dromedary camel. The testes with attached epididymis of mature dromedary camels (n=50) were collected during the rutting season from December to April. The harvested spermatozoa from the three-main anatomical epididymal segments (Head, body and tail) were assessed for seme ...
... Swab samples for microbial culture were obtained from the vaginae, cervices and uteri of 10 healthy fertile dromedary camels. Swab specimens were collected by use of a double-guarded uterine equine swab. Specimens were cultured for aerobic and anaerobic bacteria as well as fungus. The 90%, 50% and 30% of the swabs collected from the vaginae, cervices and uteri were contaminated, respectively. The ...
Camelus dromedarius; DNA; anticoagulants; blood; body weight; diacylglycerol acyltransferase; genes; genetic improvement; growth performance; insulin-like growth factor I; phenotype; regression analysis; research; small ruminants; somatotropin; weight gain
Abstract:
... Understanding the genetic factors influencing the growth traits of animal is very important for an accurate selection and genetic improvement of these quantitative traits. Therefore, the aim of this study was to identify polymorphisms in growth hormone (GH), insulin-like growth factor-I (IGF-I), melanocortin-4 receptor (MC4R) and diacylglycerol O-acyltransferase 1 (DGAT1) genes and their associati ...
... The present study aimed to use a comprehensive approach for evaluating 12 factors related to embryo quality (shape, size and transparency), donors (age, ET type, number of recovered embryos and day of uterine flushing), recipients (age), males (age and individual variations) and environment (season and year) which could affect the outcome of ET in terms of pregnancy (PR) and pregnancy losses in dr ...
... Trypanosomes are protozoan parasites of class Kinetoplastida. Trypanosoma vivax is one of the organisms that can cause Nagana and Trypanosoma evansi can cause Surra. In Africa, Trypanosoma vivax is mainly transmitted by Glossina spp. (tsetse fly) but it can be transmitted mechanically by other blood-feeding dipters. Trypanosoma evansi is transmitted mechanically and non-dependent to tsetse fly. In ...
... This study sought to isolate Chlamydia abortus (C. abortus) from camels with ovarian hydrobursitis (OVHB). To accomplish this goal, bursal tissue (n = 5) and bursal fluid (n = 6) samples were collected from 11 female dromedary camels with unilateral OVHB. A quantitative polymerase chain reaction (qPCR) was used for the preliminary detection of C. abortus in the infected samples. For the purpose of ...
... Changes in socio-economics, demography, politics, and climate in arid and semi-arid regions in recent decades have led to profound transformations in livestock practices, particularly in the management of local animal resources. The dromedary Camelus dromedarius has always played an important role in human life history in Algeria; it provides a substantial contribution in protein production such a ...
... The investigation was carried out on adrenal glands of 6 recently died adult camels. The adrenal glands of camel located bilaterally in the retroperitoneum, cranial and above the kidney. The cranial part of the right adrenal gland was partially covered by the liver thus making an impression upon the liver. The right adrenal gland was irregular triangular in shape while the left adrenal gland was f ...
... The petroleum industry can impact the environment and human health. Heavy metals (HMs), including lead (Pb), cadmium (Cd), nickel (Ni), and vanadium (V), are toxic pollutants found in petroleum that can cause several severe diseases. This study investigated the impact of the oil industry on the Arabian camel (Camelus dromedarius) in the eastern region of Saudi Arabia, pointing to HMs accumulation, ...
... Spleen development in the camel foetus was studied during the 1ˢᵗ, 2ⁿᵈ and 3ʳᵈ trimesters of gestation using histological techniques. Ten spleens of camel foetuses were collected from Omran slaughterhouse, Al-Ahsa, Saudi Arabia. The samples were prepared by routine histological procedures and stained by the general histological stain (H and E) and some other special stains including Van Geison’s f ...
... For the analysis of several cellular biomarkers, blood samples are anticoagulated using different agents with different modes of action. However, for the most commonly used anticoagulants, EDTA and heparin, varying effects on blood components have been reported in different species. As little is known about the impact of anticoagulants on the immunological evaluation of camel leukocytes, the prese ...
... Background: The dromedary camel (Camelus dromedarius) is an important livestock animal of desert and semi-desert ecosystems. In recent years, several elements of the camel immune system have been characterized. Stress and excitement induced by animal housing represent the most important environmental factors with potential modulatory effects on the immune system. The present study evaluated the im ...
... The blood serum of dromedary camels contains a unique type of antibodies with a high potency to neutralize toxins and to identify and inactivate some bacterial pathogens. The present study was designed to examine changes in the endometrial histology of cows with no subclinical endometritis (SE) (experiment 1) and changes in the uterine cytology and endometrial mRNA expression of COX2, IL-1β, IL-8, ...
... This study was aimed to evaluate intravitreal injection of gentamicin in cases of uveitis in camels. Eighteen camels that suffered from anterior, posterior or panuveitis were included in the present study. Complete ophthalmic examinations were performed before and following the treatments and these were treated with a 4 mg gentamicin which was injected intravitreally together with topical antibiot ...
... In racing camels, lameness is measured to be a major health issue and an economically important problem for many camel owners. This study aimed to investigate different oxidative stress and antioxidant biomarkers in the blood of racing lamed dromedary camels. Moreover, to highlight their role in lameness diagnosis, pathogenesis and to emphasise its role to monitor treatment response. Thirty five o ...
... In a recent study (Zhang et al. in Eur Food Res Technol https://doi.org/10.1007/s00217-021-03952-2 , 2022), a detailed description of the endogenous bioactive peptides in the milk of Dromedary and Bactrian camel was reported. The authors described multiple endogenous peptides that may contribute to the therapeutic benefits of camel milk thereby uncovering latent potential of camel milk. ...
Pia Weidinger; Jolanta Kolodziejek; Jeremy V. Camp; Tom Loney; Dafalla O. Kannan; Sathishkumar Ramaswamy; Ahmad Abou Tayoun; Victor M. Corman; Norbert Nowotny
... The recent COVID‐19 pandemic has demonstrated again the global threat posed by emerging zoonotic coronaviruses. During the past two decades alone, humans have experienced the emergence of several coronaviruses, such as SARS‐CoV in 2003, MERS‐CoV in 2012, and SARS‐CoV‐2 in 2019. To date, MERS‐CoV has been detected in 27 countries, with a case fatality ratio of approximately 34.5%. Similar to other ...
... The objective of the present investigation was to develop a high-field magnetic resonance imaging (MRI) protocol for assessment of the dromedary camel stifle region and to describe normal MRI appearance of the stifle by comparing MRI images with their corresponding anatomic slices. Twelve cadaveric hind limbs were obtained from 6 clinically sound adult dromedary camels without hind limb lameness. ...
... The zoonotic Middle East respiratory syndrome (MERS) is caused by an emerging beta-coronavirus (CoV). The majority of MERS studies have included scattered data from sub-Saharan Africa and the Middle East, and these data have not been analyzed collectively. In this work, a meta-analysis of these studies was conducted to coalesce these results, determine the prevalence and seroprevalence of MERS-CoV ...
... Camels are the most adapted species to the harsh ecosystems of the African continent where they represent 80% of world's population. However, they can be susceptible to many pathogens such as Trypanosoma evansi. This parasite is widely distributed in Africa and represents a real threat to animal health and production. In Tunisia, despite its importance, this disease is underestimated and only a fe ...
Nigeer Te; Malgorzata Ciurkiewicz; Judith M. A. van den Brand; Jordi Rodon; Ann-Kathrin Haverkamp; Júlia Vergara-Alert; Albert Bensaid; Bart L. Haagmans; Wolfgang Baumgartner; Joaquim Segalés
... Middle East respiratory syndrome coronavirus (MERS-CoV) is the cause of a severe respiratory disease with a high case fatality rate in humans. Since its emergence in mid-2012, 2578 laboratory-confirmed cases in 27 countries have been reported by the World Health Organization, leading to 888 known deaths due to the disease and related complications. Dromedary camels are considered the major reservo ...
... Bovine viral diarrhoea virus (BVDV) is one of the most leading causes of diarrhoea in many species of animals including camelids. Special attention is being paid to studying various aspects of the BVDV infection, pathogenesis, epidemiology, diagnosis and vaccines in the bovine species. Little is still known about these aspects in camelids especially dromedaries. The development of accurate diagnos ...
... Cystic echinococcosis is parasitic disease caused by the metacestodes belonging to the Echinococcus granulosus sensu lato (s.l.) species complex. Cystic echinococcosis is of considerable economic and public health importance. It is endemic in both livestock and humans in North African countries, including Algeria. The present study aimed to characterize E. granulosus s.l. genotypes in dromedary ca ...
... BACKGROUND: Trypanosoma evansi is the leading infectious Trypanosoma spp. in camels (Camelus dromedarius) present in the Kingdom of Saudi Arabia (KSA) that could lead to extensive economic losses. The present study was aimed to assess the prevalence rate of T. evansi in Taif governorate, Makkah province, KSA using parasitological and molecular evaluations, and analyze their genetic relationship ta ...
... The one-humped camel (Camelus dromedarius) or dromedary is an economically important domestic animal. However, infectious diseases, including those caused by vector-borne hemopathogens, frequently compromise the health and production of camels. In this study, we examined infections caused by Babesia, Theileria, Trypanosoma, and Anaplasma species in camels in Egypt. We analyzed blood DNA samples fr ...
... This study investigates the acid-induced coagulation of dromedary and cow's milk using rheological, light backscattering, and FT-MIR spectroscopy techniques. Throughout the acid-induced coagulation process, dromedary milk exhibited higher values of pH than cow's milk. Indeed, pH values of milk attained values of 3.94 and 3.84 at the end of the coagulation for dromedary and cow's milks, respectivel ...
... The monitoring of acid-induced coagulation of dromedary and cow milk was investigated using both conventional (viscosity, conductivity, acidification kinetics) and non-destructive (turbidity, fluorescence spectroscopy) methods. Maximum of viscosity (36.66 ± 0.01 mPa s) for dromedary milk was observed at a pH of 3.5. Throughout acid-induced coagulation, dromedary milk exhibited lower viscosity than ...
... Subclinical mammary gland infections are within the most important infectious diseases in dromedary camels with high impact on milk production and animal health. Using flow cytometry, the present study analysed the capacity of milk phagocytes to form neutrophil extracellular traps (NETs) and to produce reactive oxygen species (ROS) in vitro. Based on the California mastitis test, clinically health ...
... Animal welfare is an important topic for consideration within every livestock husbandry sector. Welfare frameworks have recently been developed for intensively and semi-intensively husbanded dromedaries. These do not fit the reality of dromedaries under pastoral husbandry, and no specific analysis exists on dromedary welfare when reared under pastoral nomadic conditions. This article examines the ...
... Ticks were collected from 30 Greek tortoise (Testudo graeca), and 10 Arabian camels (dromedary) (Camelus dromedarius) in Israel. All those collected from Greek tortoises belonged to Hyalomma aegyptium, while all specimens collected from the camels belonged to Hyalomma dromedarii. Out of 84 specimens of H. aegyptium, 31 pools were examined by PCR, while from 75 H. dromedarii specimens nine pools we ...
... The present study was designed to characterize phenotypically and genotypically a Trueperella (T.) pecoris strain isolated from necrotic vestibulitis of a 10‐year‐old camel (Camelus dromedarius). The species identity of T. pecoris 203/7 investigated in the present study could be confirmed by phenotypic properties and by phylogenetic analyses based on partial sequencing of the 16S ribosomal RNA (rR ...
... Few studies were dedicated to characterizing the dromedary milk (DM) as consumed by Bedouins, mixed with a small amount of dromedary urine (DU). Therefore, this work aimed to reveal some physical and biochemical characteristics of the DM alone, and incorporated with DU at two different concentrations. pH, colour, Brix, fats, and minerals were evaluated with proteins and sugar content using FTIR; i ...
Camelus dromedarius; Western blotting; acidification; age at slaughter; desmin; longissimus muscle; meat; meat quality; muscle protein; myoglobin; phosphoglucomutase; phosphopyruvate hydratase; polyacrylamide gel electrophoresis; polypeptides; principal component analysis; proteolysis; proteome; troponin T
Abstract:
... The effects of slaughter age (2 vs. 9 years) and postmortem time (6, 8, 10, 12, 24, 48 and 72 h) on the meat quality and protein changes of the longissimus lumborum muscles of the Algerian Sahraoui dromedary were investigated. Muscles of young dromedaries evidenced a slower acidification process and a significantly higher myofibrillar fragmentation index throughout the postmortem time. The SDS-PAG ...
Camelus dromedarius; camels; coagulation; gel electrophoresis; glycosidases; males; prostate gland; protein composition; research; secretion; semen
Abstract:
... This study was aimed to investigate protein profiles and glycosidase activities of bulbourethral and prostate glands secretion in dromedary camels. Sixteen healthy male camels (5-13 years old) were slaughtered and both glands were collected. The obtained secretions of both glands were used for determination of protein profile by 7-20% gel electrophoresis. Activities of β-N-acetylglucosaminidase, α ...
... The study was carried out to determine the residual levels of heavy metals (zinc, iron, copper, lead, and cadmium) in tissues (meat, liver and kidney), serum and hair of 3 camel breeds (Magaheem, Maghateer and Wadha) collected from Al-Omran slaughterhouse, eastern province, Saudi Arabia by using Atomic Absorption Spectrometer. Camel breed infuenced Zinc (Zn) accumulation and distribution in organs ...
... Infectious bovine rhinotracheitis (IBR) is a major animal health hazard in many countries throughout the world, caused by bovine herpesvirus-1 (BoHV-1). The study’s goal was to evaluate the prevalence of BoHV-1 seropositivity among dromedary camels in three governorates in northern Egypt, as well as to identify risk variables related with BoHV-1 seropositivity. A total of 321 blood samples were co ...
Emma O'Brien; Clara Malo; Cristina Castaño; Pedro García-Casado; Adolfo Toledano-Díaz; Belén Martínez-Madrid; Heriberto Rodriguez-Martinez; Manuel Álvarez-Rodríguez; Julián Santiago-Moreno
... The expression of aquaglyceroporin 3 (AQP-3) has been demonstrated in the spermatozoa of several mammalian species and its role has been associated with cryotolerance. Post-thaw sperm quality from individual dromedary males with different response to freezing-thawing process was evaluated through sperm head morphometry. In order to understand the cellular mechanisms affected by cryoinjury we have ...
Camelus dromedarius; camels; dairy animals; early lactation; milk; milk ejection; milk yield; research; small ruminants
Abstract:
... Development of camel as a dairy animal and establishment of commercially viable camel dairy necessitates its evaluation for milkability. Four Indian dromedary camel breeds namely Bikaneri, Jaisalmeri, Kachchhi and Mewari under hand milking management were evaluated for milkability and associated factors in the present study. The mean milk let-down time, milking time and milk flow rate observed was ...
... Cheddar-type cheese was manufactured using fermentation-produced bovine chymosin (BC), fermentation-produced camel chymosin (CC) and a modified fermentation-produced camel chymosin (mCC) and ripened for 180 days. Only minor differences were found in cheese composition and pH between the cheeses made with any of the chymosins studied. Proteolysis in cheese made with mCC was reduced compared with ch ...
... There are controversial reports on the restoration of eroded telomere length in offspring produced by somatic cell nuclear transfer (SCNT) in different animal species. To the best of our knowledge, no earlier studies report the telomere length in naturally produced or cloned animals in any of the camelid species. Therefore, the present study was conducted to estimate the telomere length in dromeda ...
... Milk is a primary protein source that has always played a role in mammalian health. Despite the intensification of research projects on dromedary and the knowledge of the genetic diversity at the casein loci, the genetic structure of the Tunisian camel population still needs exploration. This study sought to determine the genetic diversity of 3 casein gene variants in 5 Tunisian camel ecotypes: c. ...
... Thromboelastography (TEG) provides a global assessment of hemostasis and fibrinolysis and has broad applications to identify and monitor coagulation dysfunction in veterinary patients. Although alpacas are susceptible to a wide variety of coagulopathies, the assessment of TEG has not been reported in clinically healthy alpacas to date. The purpose of this study was to evaluate the analytical perfo ...
... Milk samples were collected from 140 individual dromedary camels (Camelus dromedarius) to determine the variability in the concentrations of several bioactive whey proteins. The ranges were as follows: insulin (IN) (17.8–51.1 mIU/L), insulin‐like growth factor I (IGF1) (1.4–736.1 ng/mL), insulin‐like growth factor II (IGF2) (13.7–82.6 ng/mL), lactoferrin (639.4–2094.9 µg/mL), immunoglobulin G (IgG ...
... Bluetongue (BT) is an insect-borne, non-contagious viral disease which affects domestic ruminants including camels and is transmitted by Culicoides spp. Clinical symptoms of BT are typically seen in sheep, although subclinical BT infections are mostly seen in cattle, goats, and camelids. The goal of the present study was to evaluate the sero-prevalence of Bluetongue virus (BTV) in camels from some ...
Camelus dromedarius; DNA replication; genome-wide association study; interphase; mutants; phenotype; protein kinases; protein subunits; replication origin; single-stranded DNA; yeasts
Abstract:
... Dbf4 is the cyclin-like subunit for the Dbf4-dependent protein kinase (DDK), required for activating the replicative helicase at DNA replication origin that fire during S phase. Dbf4 also functions as an adaptor, targeting the DDK to different groups of origins and substrates. Here we report a genome-wide analysis of origin firing in a budding yeast mutant, dbf4-zn, lacking the Zn²⁺ finger domain ...
... The present study aimed to evaluate the effects of exogenous administration of melatonin to male camels on reproductive behaviour, seminal parameters, and serum concentrations of melatonin and testosterone during the non-breeding and subsequent breeding seasons. In September 2018, male camels (n=12) were randomly allocated to subcutaneous injections of either melatonin (MLT, 0.643 mg/kg; n=6) diss ...
... There are controversial reports on the restoration of eroded telomere length in offspring produced by somatic cell nuclear transfer (SCNT) in different animal species. To the best of our knowledge, no earlier studies report telomere length in naturally produced or cloned animals in any of the camelid species. Therefore, the present study was conducted to estimate the telomere length in dromedary c ...
... Production of invivo embryos for transfer in dromedary camel is a well-established practice, whereas freezing of these embryos is still an ongoing challenge. A common approach in evaluation of freeze–thawing method is achieved by studying invitro development of frozen–thawed embryos. However, not much is known about the development pattern of fresh dromedary embryos during incubation. The objectiv ...
... The present study was conducted to evaluate the potential of embryo transfer technology to salvage invivo-produced embryos from elite dromedary camels infected with brucellosis without transmission of the pathogen to the recipients or offspring. Ten elite racing champions who tested positive for brucella comprised the experimental group, whereas 3 donors negative for brucella acted as the control. ...
... The present study was conducted to study the effect of season on the superstimulation response, embryo quality and pregnancy establishment in the dromedary camels. Two donors each were superstimulated in the month of June 2019 (non-breeding season) and January 2019 (breeding season) by a combination of 2500IU of equine chorionic gonadotrophin (eCG, Folligon; Intervet), given as a single intramuscu ...
Matthew J. Jevit; Brian W. Davis; Caitlin Castaneda; Andrew Hillhouse; Rytis Juras; Vladimir A. Trifonov; Ahmed Tibary; Jorge C. Pereira; Malcolm A. Ferguson-Smith; Terje Raudsepp
Camelus bactrianus; Camelus dromedarius; Vicugna pacos; Y chromosome; alpacas; horses; male fertility; males; sex determination; testes; transcriptome
Abstract:
... The unique evolutionary dynamics and complex structure make the Y chromosome the most diverse and least understood region in the mammalian genome, despite its undisputable role in sex determination, development, and male fertility. Here we present the first contig-level annotated draft assembly for the alpaca (Vicugna pacos) Y chromosome based on hybrid assembly of short- and long-read sequence da ...
... Gastrointestinal parasitic infection is a prime cause of failures in camel production. This study was conducted to ascertain the prevalence of gastrointestinal helminths of camels in Aswan district, Egypt. Besides, the prevalence of helminthiasis in camel was also evaluated considering age, gender, and rearing system. For such reason, a total of 110 dromedaries (Camelus dromedarius) in the Draw ab ...
... The present study was designed to verify the effectiveness of the image analysis method for body measurement in dromedary camel compared to manual measurements as a reference method. To achieve this aim, twenty-one linear body measurements were estimated on 59 adult Sahraoui dromedary camels (22 males and 37 females) with a normal clinical condition by using a measuring stick or vernier caliper (s ...
... The purpose of this paper was to analyse the aetiology and methods of diagnosing reproductive disorders in male dromedary camels. Male camel infertility manifests as one of three conditions: post‐coital infertility (IG), inability to copulate (IC) and lack of sexual desire (LSD). IG is mainly a testicular disorder that is linked to a deteriorated seminogram, arrested spermatogenesis, Sertoli cell‐ ...
... The hair quality attributes of two important Indian dromedary breeds viz. Mewari and Jalori, managed under natural habitat were analysed. Fifty and 49 samples were collected from the mid body side region of Mewari and Jalori camels, respectively. The average fibre diameter was 40.44±2.14 µ in Mewari breed as compared to 42.49±2.31 µ in Jalori breed. The fibre diameter was significantly (P<0.05) le ...
... OBJECTIVES: To describe a novel fixation of open, unstable, unilateral mandibular fractures applying a locking compression plate as an external skeletal fixator (ESF‐LCP). ANIMALS: Four horses and one dromedary. STUDY DESIGN: Short case series. METHODS: Animals presented with unstable, open, unilateral fractures of the mandible. Fracture fixation was performed under general anesthesia. A 4.5/5.5 n ...
... Johne’s disease is a chronic infectious granulomatous enteritis caused by Mycobacterium avium subsp. paratuberculosis (MAP) and mainly infect wild and domestic animals. Although MAP infection has been reported worldwide, observational studies on MAP in camels are very scarce. The objective of the present investigation was to determine the herd- and camel-level seroprevalences and management factor ...
Ibrahim Elsohaby; Polychronis Kostoulas; Ahmed M. Elsayed; Heba A. Ahmed; Mohamed M. El-Diasty; Gamal Wareth; Fatma M. Ghanem; Juan Carlos Arango-Sabogal
... Brucellosis is a zoonotic disease with significant economic and public health impacts. The disease has been found in ruminants, including camels, but clinical diagnosis of camel brucellosis is difficult due to the lack of clinical signs. Thus, this study aimed to estimate the sensitivity (Se) and specificity (Sp) of the Buffered Plate Antigen Test (BPAT), Rose Bengal Test (RBT), and indirect ELISA ...
... This review was designed to describe the commonly used stress and infammatory biomarkers in healthy and diseased dromedary camel medicine through providing insights by ongoing research on these biomarkers. The review especially focuses on the stress and infammatory biomarkers in some of the very important disorders affecting camels such as paratuberculosis, trypanosomiasis, mange, pneumonia, urina ...
... In this study, gestation length (GL), birth weight (BW) and body measurements (BM) of Bactrian x Dromedary F1 calves called Tülü born between 2017 and 2020 in Aydin, Turkey were recorded. Fifteen GL records and 25 heads Tülü calves’ BW and BM were used. The aim was to establish the relationship between BW and BM in order to predict BW from BM. Farm and sex of calf had statistically signifcant effe ...
... Trace minerals play an important role in animal health and productivity. They are involved also in many physiological activities, and their deficiency causes a variety of pathological problems and metabolic defects, reducing consequently the animal productivity. The demand for animal products in semi-arid areas is rapidly increasing, and the supply is still below the required level, partially due ...
California mastitis test; Camelus dromedarius; Streptococcus agalactiae; body condition; camel milk; camels; cross-sectional studies; financial economics; lactation; milk; public health; veterinary medicine; Ethiopia
Abstract:
... As of other dairy animals, dromedary camel could be affected by mastitis, a complex disease occurring worldwide among dairy animals, with heavy economic losses largely due to clinical and subclinical mastitis. Yet, little is known about the occurrence and potential risk factors exposing to lactating camel mastitis in Ethiopia. Consequently, a cross-sectional study was carried out from November 201 ...
... Camel milk is renowned for its nutritional value and its therapeutic properties. It is considered a promising alternative to bovine milk due to its higher nutritional benefits, hypoallergenic characteristics and greater digestibility in the human gastrointestinal system. This study reports camel milk's bacterial and fungal microbiota, and the effect of geographical location and season on its bacte ...
... Mesenchymal stem cells (MSCs) are promising multipotent cells with applications for cartilage tissue regeneration in stem cell-based therapies. In cartilage regeneration, both bone marrow (BM-MSCs) and synovial fluid (SF-MSCs) are valuable sources. However, the cellular characteristics and chondrocyte differentiation potential were not reported in either of the camel stem cells. The in vitro chond ...
... Different studies have reported the prevalence and antibiotic resistance of Salmonella in dromedary camels and its role in camelid‐associated salmonellosis in humans, but little is known about the epidemiology of Campylobacter in dromedaries. Here, we investigate the prevalence, genetic diversity and antibiotic resistance of Campylobacter and Salmonella in dromedary camels (Camelus dromedarius). A ...
... Vaginal and cervical adhesions are severe long-standing reproductive disorder in dromedaries and consequently result in a high culling rate. This study was designed to compare the microbial communities of the vaginae, cervices, and uteri of normal (n = 10) camels versus camels suffering from cervico-vaginal adhesion (n = 23). Vaginal, cervical, and uterine swab samples were collected from control ...
... The aim of this study was to describe the topographic anatomy and the distribution pattern of ophthalmic division of the trigeminal nerve in 5 dromedary camels and 3 sheep. In both species, the origin and the primary branches of the ophthalmic nerve were similar, but they differed in the pattern of distribution. The primary branches included were zygomaticotemporal nerve, frontal nerve, fronal sin ...
... Mesenchymal stem cells (MSCs) showed in vitro mesoderm-lineage differentiation and self-renewal capacity. However, no comparative study was reported on the biological characteristics of stem cells derived from skeletal muscle (SM-MSCs), dermal skin (DS-MSCs), and adipose tissues (A-MSCs) from a single donor in camels. The present study aimed to evaluate the influence of MSCs source on stem cell ch ...
... BACKGROUND: Reproduction is a basic prerequisite to efficient livestock production. Reproductive performance depends on the normal structure and function of genital organs. A cross-sectional study was conducted from November 2016 to May 2017 to identify and compare the frequency of reproductive tract pathological lesions and to isolate bacteria associated to uterine lesions in female dromedary cam ...
... Trypanosomosis is an important disease of dromedary camels caused by the pathogenic protozoan Trypanosoma evansi. This study aimed to compare three different tests for its diagnosis in this species: conventional microscopy, the card agglutination test for trypanosomosis/T. evansi (CATT/T. evansi) and real-time PCR. Whole blood and serum samples collected from 77 dromedary camels of Abu Dhabi, Unit ...
... This study was aimed to compare between some hormonal and metabolic constituents in follicular fluids and serum of predominant follicles coexisting with oversized follicles and its counterpart present in absence of oversized follicle in camels (Camelus dromedarius). Follicular fluids and sera were collected from animals who had follicles size 0.5–1.0 cm (small; n = 10), >1.0–1.6 cm (medium; n = 10 ...
... Bovines produce about 83% of the milk and dairy products consumed by humans worldwide, the rest represented by bubaline, caprine, ovine, camelid, and equine species, which are particularly important in areas of extensive pastoralism. Although milk is increasingly used for cheese production, the cheese-making efficiency of milk from the different species is not well known. This study compares the c ...
... The objective of the current study was to describe the structures of the pastern and coffin joints in dromedary camel using x‐ray, bone and soft tissue windows computed tomography (CT) and three‐dimensional volume rendering (3DVR) of CT imaging. 3DVR of CT was obtained at the slight flexed dorsal view, plantar view, dorsolateral view and lateral view which explained all the surfaces and structures ...
... Johne's disease is a chronic disease with great concern in ruminants and caused by Mycobacterium avium subsp. paratuberculosis (MAP). A cross-sectional study was conducted from February 2019 to January 2020 to estimate the prevalence of MAP infection among camels which are kept in three governorates in Nile Delta of Egypt. A total of 440 serum samples were examined by ELISA for detection of MAP an ...
... In livestock, selection programs on reproductive traits are time consuming due to long generation interval and low heritability; however understanding the genetic factors that influence reproductive performance facilitates an accurate selection and genetic improvement of these quantitative traits. Therefore, the aim of this study was to identify the effect of lactation order and polymorphisms of F ...
... Currently, a trend toward the commercialization of dromedary milk associated with recent intensive rearing systems has starting worldwide which impose constraints on animals affecting their behavioral repertoires and welfare status. The aim of this study was to investigate the effects of dam parity and calf sex on parturition, neonatal, and maternal behaviors in stabled Maghrebi dairy camels (Came ...
... Next-generation sequences (NGS) dataset of nanobody (Nb) clones in a phage display library (PDL) is of immense value as it serves in many different ways, such as: i). estimating the library size, ii). improving selection and identification of Nbs, iii). informing about frequency of V gene families, diversity and length of CDRs, iv). high resolution analysis of natural and synthetic libraries, etc. ...
... Clinical and subclinical mastitis (SCM), mostly related to intramammary infection (IMI), is prevalent in pastoralist camel herds. An IMI has implications for public and animal health as well as for household economy. As bacterial culturing is expensive, time consuming and impractical in a pastoralist setting, other early detection methods for SCM in camels need to be investigated. Somatic cell cou ...
... This study aimed to investigate the effect of zinc (Zn), selenium (Se), and vitamin E (Vit E) administration on semen quality and fertility in male dromedary camels with impotentia generandi (IG, post-coital infertility). Factors that may affect response to treatment were investigated. Thirty-three IG-affected and five fertile camels were included. Case history was obtained, and breeding sound exa ...
... This study examines the effect of advancing the breeding season on the reproductive performance of dromedary camels under an intensive management system. Using a synchronization protocol, timed natural mating in female camels was carried out either in September (2 months ahead of the natural breeding season, n = 182) or December (peak breeding season, n = 115). The ovarian responses (size of the d ...
... This study was conducted to investigate the effect of wet aging and brine injection on meat quality attributes of the one-humped camel. Both longissimus thoracis muscles of eight male camels were collected; the right muscle of each carcass was used for aging (A) only where no brine (B) injection applied, and the left muscle was brine-injected with 250 mM food-grade CaCl₂ at 5% (wt/wt). The aged mu ...
... In slaughterhouse, many stimuli such as lairage time can influence animal welfare during the pre-slaughter period and subsequent physiological and homeostasis parameters. The present study aimed to determine the effect of three different lairage times (L0: at arrival; L1: after 3 h; and L2: after 10 h) on the physiological and hematological parameters of 28 healthy male dromedary camels aged 6 yea ...
... The effect of storage temperature (10 or 15℃) on physicochemical composition, texture, sensory, and structural properties of soft‐brined cheese obtained from dromedary and cow’s skim milk during 1, 30, and 90 days of ripening was investigated. Storage temperature had a significant effect on pH for dromedary cheese. Indeed, the pH of dromedary cheese stored at 15℃ (4.16) was significantly lower tha ...
Mario Younan; Daniel O. Ouso; Boku Bodha; Edward K. Keitany; Hezron O. Wesonga; Rinah Sitawa; Joshua Kimutai; Wilson Kuria; Wario Sori Sake; Nicholas Svitek; Tobias Landmann; Diba Dida Wako; Jandouwe Villinger
... We present findings from an outbreak of a heartwater-like disease in camels that killed at least 2000 adult animals in Kenya in 2016. Clinical signs included excitability, head pressing, aimless wandering, recumbency, and fast breathing followed by death after about 4 days. The observed morbidity in one herd was 40% with an average mortality of 7.5% in animals that received early antibiotic treatm ...
... Crimean-Congo haemorrhagic fever is a viral tick-borne zoonotic disease caused by a Nairovirus, Crimean-Congo haemorrhagic fever virus (CCHFV). The present survey aimed to determine the exposure of one-humped camels (Camelus dromedarius) from southern Tunisia to CCHFV. A total of 273 sera from extensively reared camels were collected from Tataouine district, Tunisia, and tested by CCHFV-specific e ...