Beef for baby food from bulls and castrates

Quality of beef from semi-intensively fattened heifers and bulls

Used were 15 bulls and 15 heifers of the Black-and-White Polish Holstein-Friesian breed, semiintensively fattened, with the aim of evaluating the effect of sex on the selected traits of quality of beef. Bulls were slaughtered at the mean age of 536.2 days and 523.1 kg body weight, and heifers at 528.7 days and 459.7 kg body weight, respectively. After slaughter and post-slaughter treatment, the...

Sexual Aggressiveness in Beef Bulls

Breeding Soundness Evaluation for Beef and Dairy Bulls - FSA-3046

The breeding soundness evaluation (BSE) is a practical method to identify bulls with less than satis­ factory breeding potential. This evalu­ ation should be conducted on every bull at least 30 to 60 days before each breeding season to allow enough time for replacement of deferred or unsatis­ factory bulls. The first step in a BSE is to select a veterinarian in your area who is competent in con...

Fertility of yearling beef bulls during mating.

Crossbred (Bos taurus) yearling beef bulls were assessed for breeding soundness and physical traits prior to multi-sire natural mating at pasture. Bulls (n = 60) were assigned to six groups of nine or 10 bulls and two bull-groups were rotated on 14-day intervals during a 63-day mating season in each breeding herd (n = 3) of 191-196 cows. The remaining bulls (n = 14) were maintained under simila...

Demasculinization of Beef Bulls by LH Immunization