Reproduction

How often do bison go into heat? - January 2003

We have 12 1999 heifers and a 1999 bull. We had 0 calves in spring, so brought in a new bull - a 2000 one in July. Now last night we had our first calf (Oct 20/02)!! How often do these gals go into heat?? What will be the easiest way to get them back to ca…
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Calving Patterns Among American Bison

We monitored calving in American bison (Bison bison) for 8 consecutive years on the Wichita Mountains Wildlife Refuge, Oklahoma. Calving rates were significantly lower among 2- and > 13-year olds than among females 3-13 years old. Although mature female…
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Reproduction in the Plains Bison

Journal Paper No. J- 7552 of the Iowa Agriculture and Home Economics Experiment Station Ames, Iowa. Project 1664. The study was financed by a contract between the Bureau of Sport Fisheries and Wildlife and the Iowa Cooperative Wildlife Research Unit.
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Pregnancy Diagnosis of Bison by Rectal Palpation

This article is a summary of Dr. Berezowski's IBC 2000 presentation in Edmonton. He discusses the rationale behind pregnancy checking bison. He also explains the best time of year to be checking your bison cows and the facilities required to perform the ta…
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Managing Dystocias In Bison

This presentation was originally given at the International Bison Conference 2000, in Edmonton, Alberta. Dr. Berezowski explains calving problems (dystocias) in bison and tells you what you can do when faced with this problem. He also explains some of the …
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DNA Testing

Using sophisticated technology, labs are using samples from a variety of tissues to harvest DNA. The genes on the DNA are compared to see if the animals are related and this can be used to confirm parentage and to establish pedigrees.
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Breeding Soundness Exam

Breeding soundness exams are used to determine if a bull is fertile and has the potential to be a successful breeder. This article explains the procedure used by veterinarians when examining bison bulls for breeding potential. Testing bulls for breeding…
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