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Relationships between milk yield and postpartum reproductive traits in dairy cows



Relationships between milk yield and postpartum reproductive traits in dairy cows



Dissertation Abstracts International, B 41(3): 836



For 121 Jersey and 102 Holstein-Friesian (HF) cows monitored from parturition until conception, "abnormalities after calving" increased the interval to 1st postpartum ovulation by 14.7 and 8.7 days resp. Milk yield and age at calving had only small effects on the interval. The interval to involution of the cervix increased with age in both breeds, and was negatively related to milk yield.

Accession: 000734411

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