The textbook includes the necessary methodological recommendations for studying the discipline, it gives tasks for independent work of students in practical classes . In the manual at the modern level, practical issues of animal foaming on the exterior and constitution are considered , Monitoring and forecasting of animal productivity , Individual growth of animals , animal estimates by phenotype and genotype, Learning the theory and practice of selection and selection , Methods of breeding animals, Organization of breeding-tribal work in animal husbandry . Intended for students of agricultural universities in the direction of training 111100 "Zootechnia" and specialty 111201 - "Veterinary" .