W. Ayars

Reference values for selected hematologic and biochemical variables in Holstein bulls of various ages.

G. Kociba, D. E. Anderson, D. Monke, 1998, American journal of veterinary research.

Synchronization of estrus in postpartum beef cows and virgin heifers using combinations of melengestrol acetate, GnRH, and PGF2alpha.

R. Wallace, R. B. House, J. M. Dejarnette, 2004, Journal of animal science.

Diagnosis, surgical treatment, and performance after unilateral castration in breeding bulls: 21 cases (1989-1999).

G. Frazer, T. Wittum, B. Hull, 2002, Journal of the American Veterinary Medical Association.

Sustaining the Fertility of Artificially Inseminated Dairy Cattle: The Role of the Artificial Insemination Industry

R. Lenz, J. Dejarnette, C. Marshall, 2004 .

Repair of femoral capital physeal fractures in 12 cattle.

B. Hull, W. Ayars, Jennifer M Ewoldt, 2003, Veterinary surgery : VS.