1. Infertility and diseases of the reproductive tract of stallions;Slusher,1997
2. Evaluation of potential breeding soundess of the bull;Barth,1997
3. Breeding soundness evaluation and surgical sterilization of the ram;Kimberling,1997
4. Diseases of the reproductive system of the bull;Hopkins,1997
5. Breeding soundness examination of bulls;Ott,1986