Residual feed consumption in laying hens. 1. Quantification of phenotypic variation and repeatabilities.

doi:10.3382/ps.0701655

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Article

Residual feed consumption in laying hens. 1. Quantification of phenotypic variation and repeatabilities.

Poultry science - 1 Aug 1991

Luiting P, Urff E M

Abstract excerpt

A large fraction (on average, 25%) of the variance of daily feed consumption among individual laying hens appears unaccounted for by a model with metabolic body weight, daily egg mass production, and body weight gain as independent variables. This unexplained term is referred to as "residual feed...

Topics

Animals
Chickens
Eating
Energy Intake
Female
Genetic Variation
Models, Biological
Oviposition
Phenotype
Reproducibility of Results
Weight Gain

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