Herd Bull Fertility
James E. Drayson
This text offers the information necessary to confidently determine whether a prospective herd sire is fertile, sub-fertile, or sterile. During the author’s 35 years of extensive research in this area, 15,537 bulls of all ages & 19 different breeds were studied.
Herd Bull Fertility will show you how to determine the fertility level of any bull, using 69 photographs, 31 illustrations, and a comprehensive data chart intermingled throughout a text that is easy to read and understand.
Soft Cover 135 p.
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