Impact of Mutations in PRLR on Hair Weight, Prolactin Levels, Feed Intake, and Growth in Beef Cattle in Hot, Humid Climates
July 2026
in “
Frontiers in Endocrinology
”
Studysummary This study observed that beef cattle with certain prolactin receptor gene mutations, known as slick mutations, demonstrated improved post-weaning growth and temperature regulation in a hot, humid climate compared to other genotypes, suggesting genotype influences growth efficiency and heat tolerance.
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