Adelaide Research & Scholarship
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https://hdl.handle.net/2440/29340
| Type: | Conference paper |
| Title: | Calving rates in a Hereford cow herd following synchronised artificial insemination programs |
| Author: | Deland, M. Ross, R. Abraham, E. Pitchford, W. |
| Citation: | Association for the Advancement of Animal Breeding and Genetics. Proceedings, 2001; 14:333-336 |
| Publisher: | AAABG DISTRIBUTION SERVICES |
| Publisher Place: | AUSTRALIA |
| Issue Date: | 2001 |
| ISBN: | 0958629919 |
| Conference Name: | Conference of the Association for the Advancement of Animal Breeding & Genetics (14th : 2001 : Queenstown, New Zealand) |
| Editor: | Neville Jopson, |
| Statement of Responsibility: | M.P.B. Deland, R.A. Ross, E.A. Abraham and W.S. Pitchford |
| Abstract: | Hereford cows were mated to semen (total 2438 doses) from seven sire breeds (Angus, Belgian Blue, Hereford, Jersey, Limousin, South Devon and Wagyu). A total of 97 sires were represented over four matings from 1993-1996 with an overall calving rate of 62%. Only 19% received a repeat dose of semen. Year of mating and cow age significantly affected calving rates and gestation lengths. Sire breed differences were not significant. However, a wide range of success rates were noted for individual sires. |
| Keywords: | Cattle semen oestrus synchronisation calving rates gestation length |
| Published version: | http://www.aaabg.org/livestocklibrary/2001/ab01078.pdf |
| Appears in Collections: | Animal and Veterinary Sciences publications Aurora harvest 2 |
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