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Abstract

Artificial insemination (AI) with cooled stallion semen has increased markedly during the last decades in all countries, but fertility is often lower than when fresh semen or natural mating is used. The objective of this study was to examine field data (1634, cycles 523 Standardbred (SB) mares, 575 ...

Author(s)
Kareskoski, M.; Venhoranta, H.; Virtala, A. M.; Katila, T.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2019, 127, pp 7-14
Abstract

Artificial insemination (AI) is the single most important assisted reproductive technique devised to facilitate the genetic improvement of livestock. In the swine industry, it has broadly replaced natural service over the last number of decades which has been made possible by the high pregnancy...

Author(s)
Fair, S.; Romero-Aguirregomezcorta, J.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2019, 137, pp 15-22
Abstract

To increase the efficiency of equine semen, it could be useful to split the artificial insemination dose and refreeze the redundant spermatozoa. In experiment I, semen of 10 sires of the Hanoverian breed, with poor and good semen freezability, was collected by artificial vagina, centrifuged,...

Author(s)
Sielhorst, J.; Hagen, C.; Behrendt, D.; Schuette, B.; Burger, D.; Martinsson, G.; Sieme, H.
Publisher
Elsevier, New York, USA
Citation
Journal of Equine Veterinary Science, 2016, 40, pp 56-61
Abstract

Recently, the conception rates after artificial insemination have been pointed out to decline continuously. To overcome this problem, the control of frozen and thawed sperm quality is required. However, the mechanism of bovine sperm functional regulation is still largely unknown. In mammals, the...

Author(s)
Umezu, K.; Hiradate, Y.; Oikawa, T.; Ishiguro, H.; Numabe, T.; Hara, K.; Tanemura, K.
Publisher
Society for Reproduction and Development, Tokyo, Japan
Citation
Journal of Reproduction and Development, 2016, 62, 4, pp 409-414
Abstract

The present study was carried out to know the status of Beta Defensin-1 in goat semen before and after cryopreservation with beta defensin-1 supplemented semen diluent and in blood of different breeds of goat (Barbari, Jamunapari and Jakhrana). Goat semen (N-10) from each breed was collected by ...

Author(s)
Ranjan, R.; Singh, S. P.; Gururaj, K.; Jindal, S. K.; Chauhan, M. S.
Publisher
Indian Council of Agricultural Research, New Delhi, India
Citation
Indian Journal of Animal Sciences, 2019, 89, 10, pp 1078-1081
Abstract

Avian sperm are stored in the sperm storage tubules (SSTs) of the hen oviduct for a prolonged period. However, the precise mechanisms by which sperm are kept alive in the SSTs are still not fully understood. The aim of this study was to determine whether exosomes are secreted by SST cells and play...

Author(s)
Huang, A.; Isobe, N.; Yoshimura, Y.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2017, 101, pp 135-143
Abstract

Goat plays a vital role in the economy of poor and marginal farmers and very little efforts have been taken for their genetic improvement at farm level. The greatest problem still existing with the cryopreservation of goat spermatozoa is that even with the best preservation techniques available...

Author(s)
Ranjan, R.; Singh, S. P.; Gururaj, K.; Jindal, S. K.; Chauhan, M. S.
Publisher
Indian Council of Agricultural Research, New Delhi, India
Citation
Indian Journal of Animal Sciences, 2018, 88, 10, pp 1160-1162
Abstract

In our experience, the testicular dysfunction that develops in aged stallions is typically progressive, contributing to a gradual deterioration in sperm output and quality over 2-4 years. As the ability to produce sufficient numbers of normal sperm in ejaculates declines, so do pregnancy rates...

Author(s)
Blanchard, T. L.; Varner, D. D.; Love, C. C.; Brinsko, S. P.; Morehead, J. P.
Publisher
Elsevier, New York, USA
Citation
Journal of Equine Veterinary Science, 2012, 32, 8, pp 430-435
Abstract

ARAVE, C. W., and LAMB, R. C. Relationship between a dairy cattle production index and genotype at the serum transferrin and four milk protein loci: 666.
ARORA, K. K., and FREEMAN, A. E. Environmental correlation between paternal half-sibs for milk and milk fat production: 655.
BATRA, T. R.,...

Citation
Journal of Dairy Science, 1970, 53, pp 631-688
Abstract

AN experimental study has been made since 1934 of transportation of spermatozoa, also of inanimate substances (charcoal powder, methylene blue), through the oviduct of naturally and artificially inseminated fowls of various breeds (White Leghorn, crossbred W.L., Rhode Island Red, Barred Plymouth...

Author(s)
Mimura, H.
Citation
Journal of the Department of Agriculture, Kyushu Imperial University, 1941, 6, pp 167-259

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