New insights into the associations among feed efficiency, metabolizable efficiency traits and related QTL regions in broiler chickens.

ABSTRACT:

Background

Improving the feed efficiency would increase profitability for producers while also reducing the environmental footprint of livestock production. This study was conducted to investigate the relationships among feed efficiency traits and metabolizable efficiency traits in 180 male broilers. Significant loci and genes affecting the metabolizable efficiency traits were explored with an imputation-based genome-wide association study. The traits measured or calculated comprised three growth traits, five feed efficiency related traits, and nine metabolizable efficiency traits.

Results

The residual feed intake (RFI) showed moderate to high and positive phenotypic correlations with eight other traits measured, including average daily feed intake (ADFI), dry excreta weight

SUBMITTER: Li W 

PROVIDER: S-EPMC7318453 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature