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AbstractFull Text

The primary controller of weaned pig output is the successful breeding of enough females in the breeding week. The number of females available for breeding is dependent on the number of sows weaned sows and service-ready gilt availability. Primiparous (P1) sows often have longer wean-estrus...

Author(s)
Kirkwood, R. N.; Rensis, F. de
Publisher
Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
Citation
Thai Journal of Veterinary Medicine, 2016, 46, 1, pp 1-7
Abstract

The aim of the present study was to evaluate the effects of the PGF treatment given at the onset of a synchronization of ovulation protocol using a norgestomet (NORG) ear implant on ovarian follicular dynamics (Experiment 1) and pregnancy per AI (P/AI; Experiment 2) in cyclic (CL present) Bos...

Author(s)
SáFilho, M. F.; Marques, M. O.; Gimenes, L. U.; Torres Júnior, J. R. S.; Batista, E. O. S.; Carvalho, J. P. B.; Baruselli, P. S.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Animal Reproduction Science, 2014, 144, 1/2, pp 1-5
Abstract

The objective of the study was to determine the efficiency of ovsynch (OV) versus presynch-ovsynch (P-OV) protocol for synchronization of ovulation and timed artificial insemination (TAI) in female buffaloes. The OV group (n=40) received gonadotrophin-releasing hormone (GnRH) on day 0 (random day...

Author(s)
Oropeza, A. J.; Rojas, Á. F.; Velazquez, M. A.; Muro, J. D.; Márquez, Y. C.; Vilanova, L. T.
Publisher
Springer, Amsterdam, The Netherlands
Citation
Tropical Animal Health and Production, 2010, 42, 6, pp 1149-1154
Abstract

Postpartum anovulation is a natural process that is observed in most mammals, including women. In lactating dairy cows, the interval from calving to first ovulation typically averages 4 to 5 weeks, but a substantial proportion of cows have not resumed estrous cyclicity by 60 days postpartum....

Author(s)
Santos, J. E. P.; Wiltbank, M. C.; Ribeiro, E. S.; Bisinotto, R. S.
Publisher
Colégio Brasileiro de Reprodução Animal, Belo Horizonte, Brazil
Citation
Animal Reproduction (Belo Horizonte), 2016, 13, 3, pp 290-299
Abstract

The objective of the present study was to describe the behavioural, ovarian and hormonal characteristics of the oestrous cycle of Criollo cattle. Twenty-two cycling cows subjected to oestrus synchronisation were used to take blood samples every 4 h, to determine luteinising hormone (LH) until...

Author(s)
Quezada-Casasola, A.; Avendaño-Reyes, L.; Ramírez-Godínez, J. A.; Macías-Cruz, U.; Correa-Calderón, A.
Publisher
CSIRO, Collingwood, Australia
Citation
Animal Production Science, 2014, 54, 3, pp 277-284
Abstract

We aimed to evaluate the effects and the interaction of size of the preovulatory follicle (POF) and long-acting progesterone (P4) supplementation after timed-AI on CL function and pregnancy success in beef cows. In experiment 1, ovulations of beef cows were synchronized starting on Day -10, and...

Author(s)
Pugliesi, G.; Santos, F. B.; Lopes, E.; Nogueira, É.; Maio, J. R. G.; Binelli, M.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2016, 85, 7, pp 1239-1248
Abstract

The endangered Persian onager (Equus hemionus onager) has experienced significant population declines over the past century due to poaching, habitat destruction, and resource competition. Remaining animals in zoos and the wild are regionally isolated. Artificial insemination (AI) may be...

Author(s)
Beest, J. M. ter; Schook, M. W.
Publisher
Wiley-Blackwell, Hoboken, USA
Citation
Zoo Biology, 2016, 35, 2, pp 87-94
Abstract

Intrauterine plant oil infusion, including fractionated coconut oil, has been previously found to be a safe, inexpensive, and reversible method of prolonging the luteal phase in mares when administered on Day 10 of the estrous cycle. Our objective was to understand the uteroovarian response to the...

Author(s)
Amorim, M. D. de; Nielsen, K.; Cruz, R. K. S.; Card, C.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2016, 86, 2, pp 545-550
Abstract

The aim of this study was to evaluate the performance of heifers from the Pantaneira breed in FTAI programs and characterize follicular dynamics after induced estrus synchronization programs. The pregnancy rate observed in an FTAI program (36,4%) followed by the AI of estrus return was 45.5%. The...

Author(s)
Ferreira, M. G. C. R.; Souza-Cáceres, M. B.; Oliveira-Brochado, N. C. de; Oliveira Júnior, J. S.; Oliveira, M. V. M. de; Melo-Sterza, F. de A.
Publisher
Universidade Federal Rural do Semi-Árido (UFERSA), Mossoro, Brazil
Citation
Acta Veterinaria Brasilica, 2017, 11, 2, pp 133-136
Abstract

Background: The aim of the study is to evaluate the effectiveness of thermographic monitoring, using the temperature changes of perianal and perivulvar areas for the determination of estrus in Anatolian Shepherd bitches. Fifteen bitches were used in the study. Blood and vaginal smear samples were...

Author(s)
Olğaç, K. T.; Akçay, E.; Çİl, B.; Uçar, B. M.; Dașkın, A.
Publisher
BioMed Central Ltd, London, UK
Citation
Journal of Animal Science and Technology, 2017, 59, 21, pp (9 October 2017)

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