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You searched for: Journal name Animal reproduction science Remove constraint Journal name: Animal reproduction science Publication year rev 7988-2012 Remove constraint Publication year rev: 7988-2012 Source 2012 v.132 no.1-2 Remove constraint Source: 2012 v.132 no.1-2
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1. Comparison of long- versus short-term CIDR-based protocols to synchronize estrus prior to fixed-time AI in postpartum beef cows

Author:
J.M. Nash; D.A. Mallory; M.R. Ellersieck; S.E. Poock; M.F. Smith; D.J. Patterson
Source:
Animal reproduction science 2012 v.132 no.1-2 pp. 11-16
ISSN:
0378-4320
Subject:
artificial insemination; beef cows; blood sampling; controlled internal drug release devices; drugs; estrus; gonadotropin-releasing hormone; periodicity; pregnancy rate; progesterone; prostaglandins; sires; technicians
Abstract:
... This experiment was conducted to compare pregnancy rates in postpartum beef cows resulting from fixed-time AI (FTAI) after treatment with controlled internal drug release (CIDR)-based protocols to synchronize estrus. Cows assigned to the Show-Me-Synch (n=167) protocol received a CIDR from d 0 to 14, and prostaglandin F₂α (PGF₂α) on d 30. Cows assigned to 7-d CO-Synch+CIDR (n=177) received a CIDR a ...
DOI:
10.1016/j.anireprosci.2012.03.013

2. Comparison of myelination between large and small pig fetuses during late gestation

Author:
J.L. Vallet; J.R. Miles
Source:
Animal reproduction science 2012 v.132 no.1-2 pp. 50-57
ISSN:
0378-4320
Subject:
brain stem; cerebellum; fetus; gilts; litter size; messenger RNA; myelin proteins; myelin sheath; myelination; piglets; polyacrylamide gel electrophoresis; pregnancy; reverse transcriptase polymerase chain reaction; sodium dodecyl sulfate; spinal cord; stems; thin layer chromatography
Abstract:
... We compared myelination of the cerebellum, brain stem, and spinal cord in the largest and smallest pig fetuses within a litter during late gestation. Gilts were killed on Days 92, 100, and 110 of gestation and these neural tissues were obtained from the largest and smallest fetuses in each litter. Myelin basic protein (MBP) mRNA was quantified in each tissue using real time reverse transcriptase p ...
Handle:
10113/57916
DOI:
10.1016/j.anireprosci.2012.04.004

3. Enhancing follicular growth as a prerequisite for GnRH treatment of true anestrum in buffalo

Author:
A.A. Ramoun; B.H. Serur; El-S.M. Fattouh; S.A. Darweish; H.A. Abou El-Ghait
Source:
Animal reproduction science 2012 v.132 no.1-2 pp. 29-35
ISSN:
0378-4320
Subject:
buffaloes; diet; gonadotropin-releasing hormone; insulin; protected fat; somatotropin
Abstract:
... A total of 140 true anestrous buffalo were divided on the basis of receiving short-term (20 days) nutritional supplementation (N, n=80) or not (WN, n=60). The animals in N group were subdivided into NQ (n=40) where the quantity of the offered diet was increased by 20% and NF (n=40) where the offered diet was supplemented by 3% of dry protected fat. Buffaloes in either NQ or NF were equally allotte ...
DOI:
10.1016/j.anireprosci.2012.03.012

4. Expression of vitellogenin receptor gene in the ovary of wild and captive Atlantic bluefin tuna (Thunnus thynnus)

Author:
C. Pousis; N. Santamaria; R. Zupa; C. De Giorgi; C.C. Mylonas; C.R. Bridges; F. de la Gándara; R. Vassallo-Agius; G. Bello; A. Corriero
Source:
Animal reproduction science 2012 v.132 no.1-2 pp. 101-110
ISSN:
0378-4320
Subject:
Thunnus thynnus; adults; captive animals; complementary DNA; diet; energy; farming systems; females; finishing; fisheries; gene expression; genes; males; nucleotide sequences; nucleotides; oocytes; spawning; sugars; traditional technology; traps; tuna; vitellogenin; water temperature; wild fish; Mediterranean Sea
Abstract:
... The cDNA sequences of vitellogenin receptor proteins (VgR⁺ and VgR⁻), containing or lacking the O-linked sugar domain, were determined in Atlantic bluefin tuna (Thunnus thynnus L.). VgR⁻ gene expression in the ovary was compared in captive-reared and wild Atlantic bluefin tuna during the reproductive cycle. Gonad samples from adult fish were sampled from 2008 to 2010 from stocks reared in captivit ...
DOI:
10.1016/j.anireprosci.2012.03.014

5. Haptoglobin baseline value in jennies and the effect of ovariectomy on its serum concentration

Author:
Dhafer M. Aziz; Stephanie Hiss-Pesch; Birgit Mielenz; Helga Sauerwein
Source:
Animal reproduction science 2012 v.132 no.1-2 pp. 83-87
ISSN:
0378-4320
Subject:
adults; asses; blood; breeding; enzyme-linked immunosorbent assay; horses; laparoscopy; ovariectomy
Abstract:
... The study was conducted to determine the baseline concentration of serum haptoglobin (Hp) in jennies during the breeding and nonbreeding season and to evaluate the effects of ovariectomy on serum Hp concentrations in jennies. Eighteen adult jennies were divided in three groups: nine jennies (OVA) were ovariectomized using laparoscopic surgery, six jennies (LAP) were exploratory examined by laparos ...
DOI:
10.1016/j.anireprosci.2012.03.018

6. Influence of zona pellucida thickness on fertilization, embryo implantation and birth

Author:
F. Marco-Jiménez; C. Naturil-Alfonso; E. Jiménez-Trigos; R. Lavara; J.S. Vicente
Source:
Animal reproduction science 2012 v.132 no.1-2 pp. 96-100
ISSN:
0378-4320
Subject:
embryo implantation; females; in vitro fertilization; laparoscopy; litter size; oocytes; parturition; pregnancy; rabbits; zona pellucida
Abstract:
... Defective sperm–zona pellucida binding and penetration are the main causes of IVF failure. The purpose of this study was to evaluate the effect of zona pellucida thickness in fertilization failure and test the influence of zona pellucida thickness on implantation and birth in rabbits. Embryos and oocytes were collected from 72 females on Day 2 post-insemination. A total of 559 normal embryos were ...
DOI:
10.1016/j.anireprosci.2012.04.008

7. Ovulatory activity and plasma prolactin concentrations in wild and domestic ewes exposed to artificial photoperiods between the winter and summer solstices

Author:
A. Gómez-Brunet; J. Santiago-Moreno; B. Malpaux; P. Chemineau; D.J. Tortonese; A. López-Sebastián
Source:
Animal reproduction science 2012 v.132 no.1-2 pp. 36-43
ISSN:
0378-4320
Subject:
anestrus; animal ovaries; breeds; ewes; melatonin; mouflon; photoperiod; prolactin; summer; winter
Abstract:
... Mouflon and domestic Manchega sheep differ in the timing of their reproductive season under natural photoperiod (NP) conditions. This study examines whether they also differ in their reproductive responses to artificial photoperiod cues. For this, mouflons (n=24) and ewes (n=24) were exposed between the winter and summer solstices to artificial long days (LD: 16h light/day), to short days (SD) sim ...
DOI:
10.1016/j.anireprosci.2012.03.016

8. Prenatal and neonatal flutamide administration increases proliferation and reduces apoptosis in large antral follicles of adult pigs

Author:
Malgorzata Durlej; Katarzyna Knapczyk-Stwora; Maria Slomczynska
Source:
Animal reproduction science 2012 v.132 no.1-2 pp. 58-65
ISSN:
0378-4320
Subject:
adulthood; adults; apoptosis; caspase-3; cell proliferation; estrogens; female fertility; follicular atresia; gilts; granulosa cells; piglets; pregnancy; protein synthesis; receptors; testosterone
Abstract:
... Ovarian follicular atresia is regulated by androgens directly via androgen receptors and indirectly after conversion to estrogens. The balance between proliferation and cell apoptosis is crucial for the physiological functioning of the follicles. The disorder between these processes leads to reproductive failure, such as cyst formation. Recent research suggests maternally or neonatally mediated ef ...
DOI:
10.1016/j.anireprosci.2012.04.001

9. Supplementing sow gestation diets with betaine during summer increases litter size of sows with greater numbers of parities

Author:
W.H.E.J. van Wettere; P. Herde; P.E. Hughes
Source:
Animal reproduction science 2012 v.132 no.1-2 pp. 44-49
ISSN:
0378-4320
Subject:
Duroc; Large White; backfat; betaine; body weight; diet; farrowing; farrowing rate; lactation; landraces; litter size; pregnancy outcome; reproductive performance; sows; summer
Abstract:
... Conducted during the Australian summer, this experiment evaluated the reproductive performance of sows receiving a diet supplemented with betaine, a potent organic osmolyte and methyl donor. Large White/Landrace/Duroc sows (n=450) ranging in parity from 1 to 7 (parity 2.9±0.10, mean±SEM), and mated between the 11th of January and 11th February were used. The treatments compared the effects of two ...
DOI:
10.1016/j.anireprosci.2012.04.007

10. Androcoll-E large selects a subset of live stallion spermatozoa capable of producing ROS

Author:
B. Macías-García; L. González-Fernández; J.M. Gallardo-Bolaños; F.J. Peña; A. Johannisson; J.M. Morrell
Source:
Animal reproduction science 2012 v.132 no.1-2 pp. 74-82
ISSN:
0378-4320
Subject:
centrifugation; membrane potential; osmotic stress; semen; silica; spermatozoa; stallions; superoxide anion; viability
Abstract:
... The aim of this study was to elucidate if SLC after 24h storage selects the subpopulation of spermatozoa that better withstands osmotic shock. To test this hypothesis, viability, mitochondrial membrane potential (MMP) and superoxide anion (O₂ ⁻) production of uncentrifuged (UC) and single layer centrifugation (SLC) – selected spermatozoa were analyzed following SLC after storage of the semen. An a ...
DOI:
10.1016/j.anireprosci.2012.03.017

11. Differences in the ability of spermatozoa from individual boar ejaculates to withstand different semen-processing techniques

Author:
Inma Parrilla; David del Olmo; Laurien Sijses; María J. Martinez-Alborcia; Cristina Cuello; Juan M. Vazquez; Emilio A. Martinez; Jordi Roca
Source:
Animal reproduction science 2012 v.132 no.1-2 pp. 66-73
ISSN:
0378-4320
Subject:
DNA; DNA fragmentation; boars; flow cytometry; lipid peroxidation; plasma membrane; semen; sperm motility; spermatozoa; straw; thawing; viability
Abstract:
... The present study aimed to evaluate the ability of spermatozoa from individual boar ejaculates to withstand different semen-processing techniques. Eighteen sperm-rich ejaculate samples from six boars (three per boar) were diluted in Beltsville Thawing Solution and split into three aliquots. The aliquots were (1) further diluted to 3×10⁷sperm/mL and stored as a liquid at 17°C for 72h, (2) frozen-th ...
DOI:
10.1016/j.anireprosci.2012.04.003

12. Effect of semen collection method (artificial vagina vs. electroejaculation), extender and centrifugation on post-thaw sperm quality of Blanca-Celtibérica buck ejaculates

Author:
P. Jiménez-Rabadán; M. Ramón; O. García-Álvarez; A. Maroto-Morales; E. del Olmo; M.D. Pérez-Guzmán; A. Bisbal; M.R. Fernández-Santos; J.J. Garde; A.J. Soler
Source:
Animal reproduction science 2012 v.132 no.1-2 pp. 88-95
ISSN:
0378-4320
Subject:
DNA fragmentation; acrosome; artificial vagina; breeding; breeding season; bucks; centrifugation; cryopreservation; freezing; goats; mitochondria; pretreatment; semen; skim milk; sperm motility; thawing; washing
Abstract:
... The aim of this study was to evaluate the effect of semen collection method (artificial vagina compared to electroejaculation), season in which the semen was collected (breeding season compared to non-breeding season), freezing extender (Biladyl®, Andromed® and skim milk based extender) and pre-treatment procedure (washing compared to non-washing) on post-thaw semen quality in buck. Ejaculates fro ...
DOI:
10.1016/j.anireprosci.2012.04.005

13. The potential influence of plant-based feed supplements on sperm quantity and quality in livestock: A review

Author:
C. Clément; U. Witschi; M. Kreuzer
Source:
Animal reproduction science 2012 v.132 no.1-2 pp. 1-10
ISSN:
0378-4320
Subject:
Amaranthus hypochondriacus; Catha edulis; Cornus officinalis; Cullen corylifolium; Eurycoma longifolia; Lepidium meyenii; Leucaena leucocephala; Leucaena pallida; Lycium barbarum; Magnolia; Punica granatum; Sesbania sesban; Solanum lycopersicum; Tribulus terrestris; artificial insemination; feed supplements; genotype; herbs; humans; livestock; medicinal plants; oxidative stress; pomegranates; reproductive performance; screening; semen; spermatozoa; tomatoes
Abstract:
... The reproductive performance of male livestock is of economic importance, and improving semen quantity and quality, especially for artificial insemination, additionally helps to avoid the loss of valuable genotypes. The review focuses on the impact of oxidative stress on sperm production and quality in livestock, and the potential role of plant based anti-oxidants to control this impact. From scie ...
DOI:
10.1016/j.anireprosci.2012.04.002

14. The usefulness of combining traditional sperm assessments with in vitro heterospermic insemination to identify bulls of low fertility as estimated in vivo

Author:
Roberto Puglisi; Anna Pozzi; Luciano Foglio; Marcello Spanò; Patrizia Eleuteri; Maria G. Grollino; Graziella Bongioni; Andrea Galli
Source:
Animal reproduction science 2012 v.132 no.1-2 pp. 17-28
ISSN:
0378-4320
Subject:
DNA; Holstein; Piedmontese; bulls; in vivo studies; insemination; single nucleotide polymorphism; sires; spermatozoa; zona pellucida
Abstract:
... To date, no single in vitro assessment can estimate bull fertility. This research was aimed at evaluating the ability of a series of laboratory assessments to assign 50 Holstein Friesian bulls grouped as low (ER-NRR<−1.5), medium (−0.5
DOI:
10.1016/j.anireprosci.2012.04.006