Serum post-albumins and fertility in dairy cattle |
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| Authors: | G. C. Ashton |
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| Affiliation: | Department of Genetics, University of Hawaii, Honolulu, Hawaii 96822, USA |
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| Abstract: | Blood samples from 180 Guernsey cows and 599 Holstein cows were typed for post-albumins (Poa). The genotypes were compared for breeding efficiency, mean return interval, anestrus interval, service interval, gestation length and lactation length. Poa SF cows had a significantly shorter (P < 0.01) mean return interval than SS cows. The effect is associated with order of insemination, but is independent of lactation number. None of the other parameters showed genotypic differences. |
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