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AbstractFull Text

Proposed study was carried out to evaluate the acrosomal integrity, capacitation, acrosome reaction (AR) and mitochondrial transmembrane potential (MTP) during different stages of semen freezing and thawing in Hariana bull semen. Forty ejaculates were collected from four Hariana bulls during the...

Author(s)
Meena Verma; Vijay Singh; Swain, D. K.; Nadeem Shah; Yadav, H. P.; Atul Saxena
Publisher
MKK Publication, Kolkata, India
Citation
Environment and Ecology, 2017, 35, 3A, pp 1903-1909
AbstractFull Text

The dry period of dairy cows is an important factor for milk yield, udder health and reproduction. Persistency of milk production in high producing dairy cows increases income from milk production per cow in 305 days. On the other hand, in recent decades, much attention to increasing milk...

Author(s)
Hosseini, S. M. R.; Dehaghani, A. K.; Noori, A.; Towhidi, A.
Publisher
Ferdowsi University of Mashhad, Mashhad, Iran
Citation
Iranian Journal of Animal Science Research, 2017, 8, 4, pp 677-687
AbstractFull Text

The aim of this study was to evaluate the deoxyribonucleic acid (DNA) status and characteristics of ram spermatozoa, maintained within epididymides stored at 4°C. A total of 12 pairs of ram cauda epididymis were kept by means that one of the pair in a tube contain media (isotonic NaCl solution) and ...

Author(s)
Masir, U.; Setiadi, M. A.; Karja, N. W. K.
Publisher
Redaksi Jurnal Veteriner, Denpasar, Indonesia
Citation
Jurnal Veteriner, 2017, 18, 2, pp 167-174
Abstract

Reproduction in beef cows is different compared to dairy cows. An increase in reproductive performance is a key factor by which to improve productivity in beef cows. Puberty occurs when beef heifers reach 50-55% of their adult weight vs. 40-45% in dairy breeds. Beef heifers can be bred at 70% of...

Author(s)
Grimard, B.; Agabriel, J.; Chambon, G.; Chanvallon, A.; Constant, F.; Chastant, S.
Publisher
Institut National de la Recherche Agronomique, Paris, France
Citation
INRA Productions Animales, 2017, 30, 2, pp 125-137
AbstractFull Text

With post-cervical artificial insemination (PCAI), semen is deposited just inside the uterus, requiring fewer sperm cells, and less time for breeding, than traditional intracervical AI. Regardless of whether PCAI or intracervical AI is employed, the ability to accurately detect estrus and timing of ...

Author(s)
Estienne, M. J.
Publisher
London Swine Conference, London, Canada
Citation
Proceedings of the 17th London Swine Conference, Where Research Meets Production, London, Ontario, Canada, 28-29 March 2017, 2017, pp 23-27
AbstractFull Text

A number of new artificial insemination (AI) technologies have recently become available to swine producers, such as post-cervical AI (PCAI) and fixed-time AI (FTAI). With PCAI, semen is deposited just inside the uterus, requiring fewer sperm cells, and less time for breeding, than traditional...

Author(s)
Estienne, M. J.
Publisher
London Swine Conference, London, Canada
Citation
Proceedings of the 17th London Swine Conference, Where Research Meets Production, London, Ontario, Canada, 28-29 March 2017, 2017, pp 3-15
Abstract

During the 2010/2011 calving season a remarkably large number of calves were born with umbilical hernia on a dairy farm in Schleswig-Holstein. All calves were descendants of the US Red Holstein bull "Avanti Red" used in artificial insemination. The objective of the present study was to compare the...

Author(s)
Vortmann, T. F.; Lupp, B.; Distl, O.
Publisher
Schlütersche Verlagsgesellschaft GmbH & Co. KG, Hannover, Germany
Citation
Berliner und Münchener Tierärztliche Wochenschrift, 2017, 130, 7/8, pp 364-368
Abstract

Pregnancy per artificial insemination (P/AI) following Ovsynch is optimized when cows ovulate to the first GnRH of Ovsynch. Fertility programs are designed to presynchronize cows to d 6 or 7 of the estrous cycle to increase the chances of ovulation of a first-wave dominant follicle to the first...

Author(s)
Martins, J. P. N.; Acevedo, M. J. T.; Cunha, T. O.; Piterini, C.; Pursley, J. R.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2017, 100, 6, pp 5107-5116
Abstract

The aim of this study was to compare 2 reproductive programs for the management of first postpartum artificial insemination (AI) based on activity monitors and timed AI, as well as to determine the effect of health-related factors on detection and expression of estrus. Lactating Holstein cows...

Author(s)
Burnett, T. A.; Madureira, A. M. L.; Silper, B. F.; Fernandes, A. C. C.; Cerri, R. L. A.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2017, 100, 6, pp 5005-5018
Abstract

Inbreeding depression is known to affect quantitative traits such as male fertility and sperm quality, but the genetic basis for these associations is poorly understood. Most studies have been limited to examining how pedigree- or marker-derived genome-wide autozygosity is associated with...

Author(s)
Ferenčaković, M.; Sölkner, J.; Kapš, M.; Curik, I.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2017, 100, 6, pp 4721-4730

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