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Abstract

Twelve postpartum cyclic buffalo were artificially inseminated (AI) at an interval of 24h during estrus. Ultrasonography was performed at first AI to assess the preovulatory follicle diameter and blood samples were collected at same time to measure serum estradiol-17β concentrations....

Author(s)
Prakash, S.; Selvaraju, M.; Palanisamy, M.; Visha, P.
Publisher
Indian Society for Study of Animal Reproduction (ISSAR), Chennai, India
Citation
Indian Journal of Animal Reproduction, 2017, 38, 2, pp 35-36
Abstract

The objective of this study was to compare a GnRH-based to an estrogen/progesterone (E2/P4)-based protocol for estrous cycle synchronization and fixed timed artificial insemination (TAI), both designed for synchronization of ovulation and to reduce the period from follicular emergence until...

Author(s)
Pereira, M. H. C.; Rodrigues, A. D. P.; Martins, T.; Oliveira, W. V. C.; Silveira, P. S. A.; Wiltbank, M. C.; Vasconcelos, J. L. M.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2013, 96, 11, pp 6904-6914
Abstract

Protocols designed to control follicular wave dynamics and ovulation in cattle have reduced, and even eliminated, the need for estrus detection. The addition of progestin-releasing devices and gonadotropin treatments, such as equine chorionic gonadotropin, have provided possibilities for increased...

Author(s)
Mapletoft, R. J.; Bó, G. A.
Publisher
American Association of Bovine Practitioners, Stillwater, USA
Citation
Proceedings of the 45th Annual Conference of the American Association of Bovine Practitioners, Montreal, Canada, 20-22 September, 2012, 2012, pp 40-48
Abstract

The use of epididymal stallion spermatozoa for routine artificial insemination can secure easy future use of valuable genetics after unforeseen death or injury of a valuable stallion. The aims of this study were to (1) directly compare pregnancy rates for fresh and frozen-thawed stallion epididymal ...

Author(s)
Heise, A.; Kähn, W.; Volkmann, D. H.; Thompson, P. N.; Gerber, D.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Animal Reproduction Science, 2010, 118, 1, pp 48-53
Abstract

In practice, the etiologic treatment of the repeat-breeder cow is nearly infeasible. In this study, we tested the hypothesis that a combined treatment would benefit the conception rate of repeat-breeder cows. The components of this regimen target ovulation defects, late progesterone (P4) rise, and...

Author(s)
Amiridis, G. S.; Tsiligianni, T.; Dovolou, E.; Rekkas, C.; Vouzaras, D.; Menegatos, I.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2009, 72, 4, pp 542-548
CABI Book Info
Cover for Reproductive technologies in farm animals.

This second edition of Reproductive Technologies in Farm Animals has been revised to provide an up to date account of the key techniques employed in manipulating reproduction in farm animals, including beef and dairy cattle, pigs, sheep, goats, buffaloes, camelids, horses and poultry. This book has ...

Author(s)
Gordon, I.
ISBN
2017 CABI (H ISBN 9781780646022)
Type
Book
Abstract

The objectives were to determine the effects of supplementing docosahexaenoic acid (DHA)-rich algae on reproduction of dairy cows. Holstein cows were assigned randomly to either a control (n=373) or the same diet supplemented daily with 100 g/cow of an algae product containing 10% DHA (algae, ...

Author(s)
Sinedino, L. D. P.; Honda, P. M.; Souza, L. R. L.; Lock, A. L.; Boland, M. P.; Staples, C. R.; Thatcher, W. W.; Santos, J. E. P.
Publisher
BioScientifica Ltd, Bristol, UK
Citation
Reproduction, 2017, 153, 5, pp 707-723
Abstract

Resumption of ovulation after parturition is a coordinated process that involves recoupling of the GH/insulin-like growth factor 1 axis in the liver, increase in follicular development and steroidogenesis, and removal of negative feedback from estradiol in the hypothalamus. Infectious diseases and...

Author(s)
Santos, J. E. P.; Bisinotto, R. S.; Ribeiro, E. S.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2016, 86, 1, pp 254-262
AbstractFull Text

The present study was conducted to study the effect of Ovsynch protocol in different hormonal combinations on follicular dynamics in twenty four anoestrus Murrah buffaloes (Bubalus bubalis) randomly divided into four equal groups. Group I was kept as untreated control. Group II received Ovsynch...

Author(s)
Sandeep Kumar; Malik, R. K.; Sharma, R. K.; Ravi Dutt; Pardeep Singh; Meenakshi Virmani
Publisher
Veterinary Practitioner, c/o Dr. A. K. Gahlot, Bikaner, India
Citation
Veterinary Practitioner, 2013, 14, 1, pp 149-152
Abstract

The effects of extended progestin exposure, gonadotropin-releasing hormone (GnRH) versus prostaglandin (PG) F at controlled internal drug-release (CIDR) insertion, and GnRH on d 7 versus 9 of a 14-d CIDR on ovarian response and timed AI (TAI) pregnancy rate were evaluated. In Exp. 1 beef heifers...

Author(s)
French, J. T.; Ahola, J. K.; Whittier, J. C.; Giles, R. L.; Repenning, P. E.; Seidel, G. E., Jr.; Peel, R. K.
Publisher
American Registry of Professional Animal Scientists (ARPAS), Champaign, USA
Citation
Professional Animal Scientist, 2013, 29, 1, pp 64-74

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