Clinical ketosis: phenotypic and genetic correlations between occurrences and with milk yield.

doi:10.3168/jds.S0022-0302(91)78593-7

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Article

Clinical ketosis: phenotypic and genetic correlations between occurrences and with milk yield.

Journal of dairy science - 1 Nov 1991

Mäntysaari E A, Gröhn Y T, Quaas R L

Abstract excerpt

The repeatability and heritability of ketosis were estimated using data from 28,277 Finnish Ayrshire cows. A four-trait linear model including community-year, calving age and month, genetic group, and random sire effects was used to describe first and second lactation milk yields and veterinary d...

Topics

Animals
Cattle
Cattle Diseases
Incidence
Ketosis
Lactation
Linear Models
Milk
Models, Genetic
Phenotype
Recurrence
Risk Factors

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