Advanced Assessing Techniques of the Reproductive Performance of Bulls

The sperm quality supplied by producers is an urgent problem in the field of livestock breeding. Therefore, monitoring health male and great priority. study aimed to assess reproductive performance bulls using laboratory, clinical, morphological, ultrasound reflexological techniques. A total 17 heads Kazakh-white-headed, Holstein-Frieze Simmental breeds were studied. was evaluated diagnostic methods used determine physiological state genitals. results revealed that 11 (65%) included with high good 6 (35%) reduced abilities. reliability measuring method for morphological development scrotum coincides data 66.6% studying sexual reflexes on a point scale 50%. When assessing performance, testes, examination testes their appendages are recommended.