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Management of beef bulls for high fertility


, : Management of beef bulls for high fertility. Compendium on Continuing Education for the Practicing Veterinarian 19(7): 888-893,903

A discussion of the main management factors affecting bull fertility in Texas, USA, and the role of the veterinary surgeon.

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Related references

Thundathil, J.C.; Dance, A.L.; Kastelic, J.P., 2016: Fertility management of bulls to improve beef cattle productivity. Global demand for animal proteins is increasing, necessitating increased efficiency of global food production. Improving reproductive efficiency of beef cattle, especially bull fertility, is particularly critical, as one bull can breed thousands o...

Jakobsen, K.F.; Villar, J.A.; Casaro, A., 1967: Fertility of beef cattle. I. Testing bulls for fertility. Among 142 Shorthorn, Aberdeen Angus and Hereford bulls, 6.3% were rejected for testicular lesions, 4% for abnormal semen, and 2.4% for positive brucellosis reactions.

Perry V.E.A.; Chenoweth P.J.; Post T.B.; Munro R.K., 1990: Fertility indices for beef bulls. Young (16- to 30-month-old) beef bulls of 6 different genotype were assessed for production and reproduction traits at different ages and intervals from single-sire mating. Fertility indices, in the form of multiple regression equations using preg...

Perry, V.E.A.; Chenoweth, P.J.; Post, T.B.; Munro, R.K., 1988: Fertility indices for beef bulls. Fertility indices were calculated for Brahman crossbred, Africander crossbred, Shorthorn X Hereford, high-grade Brahman, high-grade Africander and reciprocal Brahman crossbred X Africander crossbred bulls. The indices were obtained by analysis of...

Ellis, R.W.; Rupp, G.P.; Chenoweth, P.J.; Cundiff, L.V.; Lunstra, D.D., 2005: 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 1...

Brinks, J.S., 1972: Heritability of fertility components in beef bulls. Semen characters of 264 inbred and 534 line-cross Hereford bulls, representing 15 sire lines, were examined. The following h2s were estimated: sperm concentration, 0.28; motility, 0.23; percentage of live spermatozoa, 0.17; percentage of primary a...

Coulter, Gh, 1980: Make fertility a priority in beef bulls. Advanced animal breeder5, 28(7): 6-7

Ruttle, J.; Bartlett, D.; Hallford, D.; Southward, G.; Bolgiano, D., 1981: Fertility characteristics on New Mexico range beef bulls. Joint meeting Canadian Society of Animal Science Western Branch and American Society of Animal Science Western Section Vancouver BC Canada June 23rd 25th-1981: 239

Hallford D.M., 1981: Fertility characteristics of new mexico usa range beef bulls. Journal Of Animal Scienceppl. 1: 496

Lunstra D.D.; Laster D.B.; Schanbacher B.D., 1979: Libido fertility relationships in yearling beef bulls. Journal of Animal Science 49(SUPPL 1): 315