Abstract
Cystic ovarian disease (COD) was studied in a closed 300-cow dairy herd, using Dairy Herd Improvement Association and individual health records for a 7-year period (1974-1980). There were 2,112 calving by 649 cows during the period. Cysts were found in 130 cows. Of the 649 cows that calved, 110 (16.9%) produced at least 1 daughter in which COD developed. Two bulls sired 17.6% of the daughters with COD, which was more than anticipated inasmuch as they sired only 11.6% of all daughters (P<0.05). These bulls were removed from the breeding program in an attempt to reduce COD in the herd.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 474-476 |
| Number of pages | 3 |
| Journal | Journal of the American Veterinary Medical Association |
| Volume | 181 |
| Issue number | 5 |
| State | Published - 1982 |
| Externally published | Yes |
ASJC Scopus subject areas
- veterinary(all)
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Cite this
Kirk, J. H., Huffman, E. M., & Lane, V. M. (1982). Bovine cystic ovarian disease: Hereditary relationships and case study. Journal of the American Veterinary Medical Association, 181(5), 474-476.