Genomic analysis of feed efficiency traits in beef cattle using random regression models

Article Agriculture, Dairy & Animal Science

Economic values of reproductive, growth, feed efficiency and carcass traits in Nellore cattle

Flavia M. Souza et al.

Summary: A bioeconomic model was developed to calculate the economic value of reproductive and growth performance, feed efficiency, and carcass traits in a seedstock Nellore herd. The study found that preweaning average daily gain had the most significant economic impact on profits.

JOURNAL OF ANIMAL BREEDING AND GENETICS (2022)

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Article Genetics & Heredity

A Random Regression Model Based on a Single-Step Method for Improving the Genomic Prediction Accuracy of Residual Feed Intake in Pigs

Ye Wang et al.

Summary: Residual feed intake (RFI) is an important indicator for evaluating feed efficiency in pigs. This study compared the prediction performances of a random regression model (RRM) and a traditional animal model for RFI genetic prediction, and found that the RRM with both pedigree and genetic information achieved greater accuracy than the animal model.

FRONTIERS IN GENETICS (2022)

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Article Genetics & Heredity

Selecting for Feed Efficient Cows Will Help to Reduce Methane Gas Emissions

Coralia Ines Valentina Manzanilla-Pech et al.

Summary: Studies have shown that selecting for feed efficiency can indirectly reduce methane emissions, aiding in achieving emission reduction targets. Using the Danish Holstein population as an example, including methane in breeding goals seems to be a faster way to reach the desired reduction.

FRONTIERS IN GENETICS (2022)

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Article Agriculture, Dairy & Animal Science