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Abstract

Numerous treatments and protocols have been used to control the reproductive cycle in cattle, with varying effectiveness and many involving the administration of steroid hormones. Steroid hormones, such as estradiol, are perceived as having a negative impact on consumer health. This internationally ...

Author(s)
Yapura, M. J.; Zwiefelhofer, E. M.; Pierson, R. A.; Adams, G. P.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2018, 112, pp 18-25
Abstract

Reproductive technologies including AI have been increasingly adopted worldwide by the dairy industry. Inadequate oestrus detection and labour required for oestrus detection are major reasons why AI is used infrequently in beef production (Kyle and others 1998). Oestrus synchronisation protocols...

Author(s)
Statham, J. M. E.
Publisher
British Cattle Veterinary Association, Quedgeley, UK
Citation
Cattle Practice, 2015, 23, 1, pp 74-97
Abstract

Results of large-scale A. I. of Merino sheep (2346 ewes) on a private stud are presented, together with data for 7 factorial tests designed to determine effects on fertility, following insemination at 1 or 2 successive oestrous periods, of season of insemination, milk diluents, age of ewe,...

Author(s)
SALAMON, S.; ROBINSON, T. J.
Citation
Australian Journal of Agricultural Research, 1962, 13, pp 52-68