Influence of genotype and yield and composition of milk on interval to first postpartum ovulation in milked beef and dairy cows.

doi:10.2527/1992.702379x

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Article

Influence of genotype and yield and composition of milk on interval to first postpartum ovulation in milked beef and dairy cows.

Journal of animal science - 1 Feb 1992

Masilo B S, Stevenson J S, Schalles R R, Shirley J E

Abstract excerpt

Our objectives were to investigate the effects of genotype, yield and composition of milk, and changes in BW and body condition on the initiation of cyclic ovarian activity in nonsuckled beef and dairy cows milked twice daily. Nulliparous heifers were selected from three breeds, 12 Angus, 13 Simm...

Topics

Animals
Body Weight
Breeding
Cattle
Female
Genotype
Lactation
Lactose
Lipids
Milk
Milk Proteins
Nutritional Status
Ovulation
Postpartum Period
Progesterone
Regression Analysis

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