Animal Breeding

Considerations for Selecting a Bull

Martha Thomas and Matt Hersom

Florida 4-H Livestock Breeding Project Record Book

Animal Sciences Design Team

Genetic Markers for Resistance to Gastrointestinal Parasites in Sheep and Goats from the Southern Region of the United States

Zaira M. Estrada Reyes, Yoko Tsukahara, Arthur L. Goetsch, Terry A. Gipson, Tilahun Sahlu, Richard Puchala, and Raluca G. Mateescu

This publication discusses a research project designed to explore the genetics of resistance to gastrointestinal parasites in sheep and goats. Written by Zaira M. Estrada Reyes, Yoko Tsukahara, Arthur L. Goetsch, Terry A. Gipson, Tilahun Sahlu, Richard Puchala, and Raluca G. Mateescu, and published by the UF/IFAS Department of Animal Sciences, January 2022.

When Should We Stop Breeding Dairy Cows?

Klibs N. Galvão and Albert De Vries

A UF/IFAS numbered Fact Sheet. in support of UF/IFAS Extension program: Animal Systems

Phenotypic and Genetic Relationships Underlying the Thermotolerance-production Complex in Beef Cattle

Jessica Czipulis

By Raluca Mateescu, Professor INTRODUCTION In tropical and subtropical regions where more than half of the world cattle are maintained, climatic stress is a major limiting factor of production efficiency. This stress is expected to increase due to predicted changes in climate. Beef cattle when exposed to environmental high temperature and humidity, exhibit significant declines […]

Hair Coat Characteristics and Thermotolerance in Florida Beef Cattle

Jessica Czipulis

By Dr. Raluca Mateescu, Professor Importance of heat stress Heat stress is a major cause of economic loss for beef cattle producers in tropical and subtropical environments, including Florida. Bos indicus genetics are commonly introduced into beef cattle herds in these areas, as they are better adapted to hot and humid conditions. This practice has […]