Author

T. Sonstegard

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#gene editing Open access Sep 2026

PS1-1. Introducing Gene-Editing Semen for the Slick Mutation to Mitigate Fescue Toxicosis in Angus Cattle.

Tall fescue pastures support 40% of U.S. cow-calf herds, but fescue toxicosis causes heat stress and reduces animal performance and welfare. A mutation in the prolactin receptor (Slick mutation) gives cattle a sleek hair and reduces body temperature. This mutation does not occur naturally in Angus cattle, but can be...

Lucas C. S. Branco, Juliet E. Henning, Raquel F. Oliveira et al. · Journal of Animal Science · 0 citations

#gene editing Open access Sep 2026

139. Award Talk: Integrative Physiology and Functional Genomics Reveal Novel Mechanisms Regulating Pubertal Development in Gilts.

Gilts reaching puberty early have greater lifetime productivity but 10-20% are acyclic before first breeding, presenting a major management challenge. Puberty is a complex maturational process, involving molecular and cellular events that are influenced by the environment, nutrition, and genetics. Initiation of puber...

C. A. Lents, H. Wijesena, D. Nonneman et al. · Journal of Animal Science · 0 citations

#gene editing Sep 2026

PS11-14. Performance and Physiological Responses of Beef Calves Carrying the Slick PRLR Allele During the Post-weaning Period.

Natural mutations in the prolactin receptor gene (PRLR) result in slick hair phenotype and improved thermoregulation. Gene-editing technologies allow the introduction of novel variants into PRLR, providing a strategy to rapidly incorporate slick phenotype into cattle populations. The objective of this study was to ev...

R. Oliveira, R. Cooke, T. Minela et al. · Journal of Animal Science · 0 citations