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1. Novel model for chronic intestinal inflammation in chickens: (2) Immunologic mechanism behind the inflammatory response

Author:
Gabriela Cardoso Dal Pont; A. Lee; C. Bortoluzzi; Y.Z. Farnell; C. Gougoulias; M.H. Kogut
Source:
Developmental and comparative immunology 2023 v.138 no. pp. 104524
ISSN:
0145-305X
Subject:
broiler chickens,   etc   ; T-lymphocytes; adaptive immunity; chemokines; diet; histology; ileum; inflammation; interferon-alpha; interleukin-10; interleukin-21; interleukin-6; jejunum; models; monocytes; polysaccharides; vascular endothelial growth factors;     Show all 17 Subjects
Abstract:
... Intestinal inflammation in poultry is a complex response that involves immune and intestinal cells which is still not fully understood. Thus, to better understand the mechanisms that drive the chronic intestinal inflammation in fowl we conducted an experiment applying a previously established nutritional model of low-grade chronic intestinal inflammation to evaluate cytokine and chemokine profiles ...
DOI:
10.1016/j.dci.2022.104524

2. Research Note: Comparing methods to assess Valgus-Varus deformity in broiler chickens

Author:
H. van den Brand; R. Molenaar; M. Klaasen
Source:
Poultry science 2022 v.101 no.7 pp. 101907
ISSN:
0032-5791
Subject:
broiler chickens,   etc   ; legs; muscles; skinning;     Show all 4 Subjects
Abstract:
... Valgus-varus deformity (VVD) is one of the leg disorders affecting health and welfare of broiler chickens. In research, several protocols are used to determine the prevalence and/or severity of VVD. This study aimed to investigate effects of five different protocols on the angulation of the tibiotarsal-tarsometatarsal joint. Angulation was determined (1) in living chickens with fixation at the fem ...
DOI:
10.1016/j.psj.2022.101907

3. Elevated platforms with integrated weighing beams allow automatic monitoring of usage and activity in broiler chickens

Author:
Helen Schomburg; Julia Malchow; Oliver Sanders; Jonas Knöll; Lars Schrader
Source:
Smart agricultural technology 2023 v.3 pp. 100095
ISSN:
2772-3755
Subject:
broiler chickens,   etc   ; algorithms; animal welfare; farmers; prototypes; steel; technology;     Show all 7 Subjects
Abstract:
... Elevated platforms are a suitable possibility to enrich the environment of broiler chicken and, thus, improving their welfare. Early detection of health problems additionally contributes to an improved welfare of chickens and, at the same time, helps the farmer to optimize production efficiency. A prototype combined elevated platforms with weighing beams and an algorithm was developed to estimate ...
DOI:
10.1016/j.atech.2022.100095

4. Decreasing trend of β-lactam resistance in Salmonella isolates from broiler chickens due to the cessation of ceftiofur in ovo administration

Author:
Vu Minh Duc; Rina Kakiuchi; Hiroka Muneyasu; Hajime Toyofuku; Takeshi Obi; Takehisa Chuma
Source:
Veterinary and Animal Science 2022 v.16 pp. 100248
ISSN:
2451-943X
Subject:
broiler chickens,   etc   ; Japan; antibiotic resistance; ceftiofur; oxytetracycline; serotypes; streptomycin; sulfamethoxazole;     Show all 8 Subjects
Abstract:
... Ceftiofur, a third-generation cephalosporin antimicrobial, was used in Japanese hatcheries for many years before 2012. We continue to study Salmonella in broilers and their antimicrobial resistance. The current study aimed to express how the cessation of ceftiofur affects the antimicrobial resistance of Salmonella isolated from broiler chickens in Kagoshima Prefecture, Japan in 2017 and 2018. A to ...
DOI:
10.1016/j.vas.2022.100248

5. High resolution parallel sequencing reveals multistrain Campylobacter in broiler chicken flocks testing ‘negative’ by conventional culture methods: implications for control of Campylobacter infection

Author:
Frances M. Colles; Daniela Karasova; Magdalena Crhanova; Stephen G. Preston; Adrian L. Smith; Marian S. Dawkins; Ivan Rychlik; Sabine G. Gebhardt-Henrich
Source:
Poultry science 2022 v.101 no.10 pp. 102048
ISSN:
0032-5791
Subject:
broiler chickens,   etc   ; Campylobacter; biosecurity; campylobacteriosis; chicken meat; genes; humans; outer membrane proteins;     Show all 8 Subjects
Abstract:
... Contaminated chicken meat is a major source of human Campylobacteriosis and rates of infection remain high, despite efforts to limit the colonisation of broiler (meat) chicken flocks on farms. Using conventional testing methods of culture or qPCR, Campylobacter is typically detected amongst broiler flocks from 3 wk of age, leading to the assumption that infection is introduced horizontally into ch ...
DOI:
10.1016/j.psj.2022.102048

6. Effect of Raw Chickpea in the Broiler Chicken Diet on Intestinal Histomorphology and Intestinal Microbial Populations

Author:
Anna Danek-Majewska; Małgorzata Kwiecień; Wioletta Samolińska; Danuta Kowalczyk-Pecka; Bożena Nowakowicz-Dębek; Anna Winiarska-Mieczan
Source:
Animals 2022 v.12 no.14 pp. -
ISSN:
2076-2615
Subject:
broiler chickens,   etc   ; chickpeas; duodenum; jejunum; males; metabolism; protein sources; soybean meal; villi;     Show all 9 Subjects
Abstract:
... The aim of the study was to determine the effect of partial replacement of SBM protein with CPR-derived protein in the broiler rearing period from 22 to 42 days of age on the intestinal histomorphology and the composition of the intestinal microbial population. Male broiler chicks aged 1 day were assigned to two groups with different nutrition schemes (n = 100 in each, 5 cages of 20 chicks in each ...
DOI:
10.3390/ani12141767

7. Analysis of the molecular mechanism of inosine monophosphate deposition in Jingyuan chicken muscles using a proteomic approach

Author:
Zengwen Huang; Juan Zhang; Yaling Gu; Zhengyun Cai; Dawei Wei; Xiaofang Feng; Chaoyun Yang
Source:
Poultry science 2022 v.101 no.4 pp. 101741
ISSN:
0032-5791
Subject:
broiler chickens,   etc   ; breasts; gene expression regulation; germplasm; hens; inosine monophosphate; meat; proteomics; taste;     Show all 9 Subjects
Abstract:
... Inosine monophosphate (IMP) is an indicator of meat taste, and the molecular mechanism underlying IMP deposition in muscle tissues is important to developing superior poultry breeds. The aim of this study was to identify the key proteins regulating IMP deposition in different muscle groups of 180-day-old Jingyuan chickens (Hen) using a proteomics-based approach. We identified 1,300 proteins in the ...
DOI:
10.1016/j.psj.2022.101741

8. Can phytogenic additives improve the performance of broilers and replace growth-promoting antibiotics? A meta-analytic approach

Author:
Gustavo do Valle Polycarpo; Gabrieli Andressa de Lima; Thaís de Souza Ávida; Fábio Sampaio Rosas; Valquíria Cação Cruz-Polycarpo; Jaqueline Dalbello Biller; Bárbara Fernanda da Silva Barbosa; Maria Fernanda de Castro Burbarelli
Source:
Canadian journal of animal science 2022 v.102 no.2 pp. 289-300
ISSN:
0008-3984
Subject:
broiler chickens,   etc   ; average daily gain; feed conversion; feed intake; meta-analysis; poultry production;     Show all 6 Subjects
Abstract:
... Phytogenic additives have been studied intensively in broiler chicken production to substitute growth-promoting antibiotics. However, the comprehensive literature on this topic makes it difficult to understand overall results because there are a noticeable number of studies with conflicting conclusions. While several research studies have shown that phytogenic additives may increment broiler chick ...
DOI:
10.1139/cjas-2021-0058

9. Applied Research Note: Evaluation of a Bacillus-based direct-fed microbial as a strategy to reduce hydrogen sulfide emissions from poultry excreta using a practical monitoring method

Author:
H. Leyva-Jimenez; S. Shen; K. McCormick; M. Martin; P. Liu; D. Haag; E. Galbraith; M. Blair
Source:
Journal of applied poultry research 2022 v.31 no.1 pp. 100231
ISSN:
1056-6171
Subject:
broiler chickens,   etc   ; ammonia; applied research; excreta; fermentation; hydrogen sulfide; odors; poultry industry; remediation; temperature;     Show all 10 Subjects
Abstract:
... Effective implementation of noxious odor mitigation strategies requires a thorough understanding of production causes, a clear definition of harmful odor limits, and practical and effective methods to measure emissions into the environment. With the increasing demand for poultry products and consequently, intensification of production systems, there is a need for versatile odor remediation approac ...
DOI:
10.1016/j.japr.2021.100231

10. Astaxanthin as a Potential Antioxidant to Improve Health and Production Performance of Broiler Chicken

Author:
Herinda Pertiwi; Mohamad Yusril Nur Mahendra; Juriah Kamaludeen
Source:
Veterinary medicine international 2022 v.2022 pp. -
ISSN:
2042-0048
Subject:
broiler chickens,   etc   ; antioxidants; astaxanthin; feed intake; food conversion; lutein; microalgae; oxidative stress; veterinary medicine;     Show all 9 Subjects
Abstract:
... Recent interest in carotenoids has increased due to their antioxidant and production performance. Astaxanthin (AST) is a xanthophyll carotenoid abundantly distributed in microalgae, which is described as a highly potent antioxidant. Therefore, recent studies have tended to investigate the role of antioxidants in improving metabolic processes and physiological functioning of the body. It is now evi ...
DOI:
10.1155/2022/4919442

11. Circadian variation in ammonia levels in broiler chickens raised under different climate conditions

Author:
Jéssica de Torres Bandeira; Tatiane Bandeira da Silva; Bruno César Azevedo de Brito; Renato Souto Maior​ Muniz de Morais; Maria Edna Gomes de Barros; Priscilla Maria Cavalcante Rocha; George Chaves Jimenez; Francisco de Assis Leite Souza; Joaquim Evêncio-Neto
Source:
Biological rhythm research 2022 v.53 no.10 pp. 1639-1648
ISSN:
1744-4179
Subject:
broiler chickens,   etc   ; ammonia; circadian rhythm; research; rice straw; statistical analysis; summer; temperature; temporal variation; winter;     Show all 10 Subjects
Abstract:
... The current study aims to determine the rhythmicity pattern in ammonia level inside broiler chicken houses raised on a traditional deep litter system. A total of 182 Ross broiler chickens (91 in the summer and 91 in the winter). Rice straw was used under three conditions: new, reused, and reused with daily wetting. Three daily readings of NH₃ were performed at two heights during a 42-day cycle. Th ...
DOI:
10.1080/09291016.2021.1999097

12. Meta-analysis of responses of broiler chickens to Bacillus supplementation: Intestinal histomorphometry and blood immunoglobulin

Author:
Ifeanyi Princewill Ogbuewu; Christian Anayo Mbajiorgu
Source:
Open Agriculture 2022 v.7 no.1 pp. 465-477
ISSN:
2391-9531
Subject:
broiler chickens,   etc   ; agriculture; blood; chicken industry; ileum; issues and policy; meta-analysis; probiotics; statistical models; villi;     Show all 10 Subjects
Abstract:
... The broiler chicken industry needs effective probiotics to boost productivity and health. However, published data on the impact of in-feed Bacillus supplementation on physiological parameters in healthy broiler chickens are often conflicting and inconclusive. As a result, this meta-analysis aimed to assess the influence of Bacillus on intestinal histomorphometry (villus height [VH], crypt depth [C ...
DOI:
10.1515/opag-2022-0110

13. A systematic review and meta‐analysis of the efficacy of processing stages and interventions for controlling Campylobacter contamination during broiler chicken processing

Author:
Onay B. Dogan; Anand Aditya; Juan Ortuzar; Jennifer Clarke; Bing Wang
Source:
Comprehensive reviews in food science and food safety 2022 v.21 no.1 pp. 227-271
ISSN:
1541-4337
Subject:
broiler chickens,   etc   ; Campylobacter; decision making; defeathering; evisceration; food safety; meta-analysis; microbiological risk assessment; systematic review;     Show all 9 Subjects
Abstract:
... Systematic review and meta‐analysis were conducted to quantify the effects of processing stages and interventions on the prevalence and concentration of Campylobacter on broiler carcasses. To comprehensively capture relevant evidence, six databases were searched using the keywords “Campylobacter” and “broiler chicken.” The literature search yielded 10,450 unique citations, and after applying prede ...
DOI:
10.1111/1541-4337.12860

14. Dominance of the zoonotic pathogen Cryptosporidium meleagridis in broiler chickens in Guangdong, China, reveals evidence of cross-transmission

Author:
Xuhui Lin; Luyao Xin; Meng Qi; Minyu Hou; Shenquan Liao; Nanshan Qi; Juan Li; Minna Lv; Haiming Cai; Junjing Hu; Jianfei Zhang; Xiangbo Ji; Mingfei Sun
Source:
Parasites & vectors 2022 v.15 no.1 pp. 188
ISSN:
1756-3305
Subject:
broiler chickens,   etc   ; Cryptosporidium meleagridis; genes; glycoproteins; pathogens; polymerase chain reaction; public health; ribosomal RNA; risk; China;     Show all 10 Subjects
Abstract:
... BACKGROUND: Cryptosporidium is one of the most prevalent parasites infecting both birds and mammals. To examine the prevalence of Cryptosporidium species and evaluate the public health significance of domestic chickens in Guangdong Province, southern China, we analyzed 1001 fecal samples from 43 intensive broiler chicken farms across six distinct geographical regions. METHODS: Individual DNA sampl ...
DOI:
10.1186/s13071-022-05267-x

15. Isolation of preadipocytes from broiler chick embryos

Author:
Kim Minjeong; Jung Usuk; Shepherd Elizabeth; Mihelic Robert; Voy Brynn H.
Source:
Journal of visualized experiments 2022 no.186 pp. e63861
ISSN:
1940-087X
Subject:
broiler chickens,   etc   ; adipocytes; adipogenesis; adipose tissue; chicks; childhood obesity; growth and development; metabolism; models; muscles; viability;     Show all 11 Subjects
Abstract:
... Primary preadipocytes are a valuable experimental system for understanding the molecular pathways that control adipocyte differentiation and metabolism. Chicken embryos provide the opportunity to isolate preadipocytes from the earliest stage of adipose development. This primary cell can be used to identify factors influencing preadipocyte proliferation and adipogenic differentiation, making them a ...
DOI:
10.3791/63861

16. Influence of dietary sodium butyrate supplementation on performance, nutrient digestibility and economics of broiler chicken

Author:
S.J. Morkhade; K.Y. Deshpande; S.O. Thakare; N.R. Mandale; D.M. Badukale
Source:
ANIMAL NUTRITION AND FEED TECHNOLOGY 2022 v.22 no.2 pp. 287-296
ISSN:
0974-181X
Subject:
broiler chickens,   etc   ; dietary supplements; digestibility; digestible protein; economics; feed conversion; feed intake; growth performance; sodium butyrate; technology;     Show all 10 Subjects
Abstract:
... A feeding trial (42 days) was conducted to assess the influence of dietary sodium butyrate supplementation on performance, nutrient digestibility and economics of broiler chicken. Two hundred forty straight run commercial broiler chicks were distributed in four groups with 4 replicates of 15 chicks following completely randomized design. The groups consisted of a control fed the basal diet (SB₀); ...
DOI:
10.5958/0974-181X.2022.00023.3

17. Effect of expression of PPARG, DNM2L, RRAD, and LINGO1 on broiler chicken breast muscle satellite cell function

Author:
Sandra G. Velleman; Cynthia S. Coy; Behnam Abasht
Source:
Comparative biochemistry and physiology 2022 v.268 pp. 111186
ISSN:
1095-6433
Subject:
broiler chickens,   etc   ; adults; biosynthesis; breast muscle; genes; lipids; metabolic diseases; myoblasts; peroxisome proliferator-activated receptor gamma; wooden breast;     Show all 10 Subjects
Abstract:
... Disorders affecting the breast muscle of modern commercial broiler chickens have increased in recent years. Wooden Breast (WB) myopathy is characterized by a palpably hard breast muscle with increased fat deposition. WB is a metabolic disorder with lipid accumulation considered to be a primary causal factor. The adult myoblasts, satellite cells, are a partially differentiated stem cell population ...
DOI:
10.1016/j.cbpa.2022.111186
CHORUS:
10.1016/j.cbpa.2022.111186

18. Integration of genome-wide association study and selection signatures reveals genetic determinants for skeletal muscle production traits in an F2 chicken population

Author:
Yu-dong LI; Xue BAI; Xin LIU; Wei-jia WANG; Zi-wei LI; Ning WANG; Fan XIAO; Hai-he GAO; Huai-shun GUO; Hui LI; Shou-zhi WANG
Source:
Journal of integrative agriculture 2022 v.21 no.7 pp. 2065-2075
ISSN:
2095-3119
Subject:
broiler chickens,   etc   ; agriculture; chicken meat; genetic variation; genome-wide association study; meat production; muscles; pectoralis muscle; quality control;     Show all 9 Subjects
Abstract:
... Improving the production of broiler chicken meat has been a goal of broiler breeding programs worldwide for many years. However, the genetic architectures of skeletal muscle production traits in chickens have not yet been fully elucidated. In the present study, a total of 519 F₂ birds, derived from a cross of Arbor Acres broiler and Baier layer, were re-sequenced (26 F₀ individuals were re-sequenc ...
DOI:
10.1016/S2095-3119(21)63805-4

19. Use of visible-near infrared spectroscopy to predict nutrient composition of poultry excreta

Author:
Andrés Cruz-Conesa; Joan Ferré; Anna M. Pérez-Vendrell; M. Pilar Callao; Itziar Ruisánchez
Source:
Animal feed science and technology 2022 v.283 pp. 115169
ISSN:
0377-8401
Subject:
broiler chickens,   etc   ; digestibility; energy; excreta; feed formulation; feeds; infrared spectroscopy; nutrient content; organic matter; phosphorus; prediction; technology; uric acid;     Show all 13 Subjects
Abstract:
... Nowadays optimal feed formulation for poultry is sought for available content, which takes into account how the nutrients are digested and metabolized by the animal. The digestibility coefficients of the nutrients are usually obtained in in vivo trials that require feeding the birds with different diets of well-known composition and analyzing a large number of excreta samples. Nutrient excreta com ...
DOI:
10.1016/j.anifeedsci.2021.115169

20. High sequence similarity between avian pathogenic E. coli isolates from individual birds and within broiler chicken flocks during colibacillosis outbreaks

Author:
Inger Helene Kravik; Håkon Kaspersen; Siri Kulberg Sjurseth; Malin Jonsson; Bruce David; Marina Aspholm; Camilla Sekse
Source:
Veterinary microbiology 2022 v.267 pp. 109378
ISSN:
0378-1135
Subject:
broiler chickens,   etc   ; Escherichia coli; cost effectiveness; flocks; genome; liver; microbiology; mortality; multilocus sequence typing; phylogeny; sequence homology; serotypes; spleen;     Show all 13 Subjects
Abstract:
... Avian pathogenic E. coli (APEC) cause high first week mortality (FWM) in broiler chickens worldwide. In order to investigate the epidemiologic aspects of colibacillosis in broiler flocks it is important to develop reliable and cost-effective sampling guidelines. In this context, it is particularly important to define the minimum number of samples required to reliably identify the causative APEC cl ...
DOI:
10.1016/j.vetmic.2022.109378