----- 马繁殖与种马医学自我评估颜色评估
Involvement with equine reproduction is very common for the veterinarian in practice, and there is enormous demand for continuing education, particularly in the light of recent changes in science and practice, such as the routine use of ultrasound, improved standards of foal care, and the importance of artificial insemination.The 22 contributing au
{{comment.content}}