Biostimulation in cattle

the bull effect

Authors

  • Sergio Augusto Ferreira de Quadros Departamento de Zootecnia, Centro de Ciências Agrárias, Universidade Federal de Santa Catarina,

Keywords:

Animal production, cattle farming, biostimulation in cattle

Abstract

Fertility is the most important characteristic affecting the performance of any animal production system. Biostimulation is a simple technique capable of favorably modifying the reproductive performance of cattle. The increase in birth rate is measured to increase production efficiency, a technique with the potential to be easily adopted by breeders, as it does not require significant costs.

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Empresa de Pesquisa Agropecuária e Extensão Rural de Santa Catarina - Epagri

Author Biography

Sergio Augusto Ferreira de Quadros, Departamento de Zootecnia, Centro de Ciências Agrárias, Universidade Federal de Santa Catarina,

Possui graduação em Medicina Veterinária pela Universidade Federal do Rio Grande do Sul (1983), mestrado em Zootecnia pela Universidade Federal do Rio Grande do Sul (1991) e doutorado em Zootecnia pela Universidade Federal do Rio Grande do Sul (2003). Atualmente é Professor Titular da Universidade Federal de Santa Catarina. Tem experiência na área de Zootecnia, com ênfase em Manejo de Animais, atuando principalmente nos seguintes temas: comportamento reprodutivo,produção animal em pastagens, bioestimulação, bem-estar animal, bovinos crioulos (Crioula Lageana), uso e conservação de recursos genéticos animais.

References

CUPP, A.S.; ROBERSON, M.S.; STUMPF, T.T.; WOLFE, M.W.; WERTH, L.A.; KOJIMA, N.; KITTOK, R.J.; KINDER, J.E. Yearling bulls shorten the duration of postpartum anestrus in beef cows to the same extend as do mature bulls. Journal of Animal Science, Champaign, v.71, p.306-309, 1993.

CUSTER, E.E.; BERARDINELLI, J.G.; SHORT, R.E.; WHERMAN, M.; ADAIR, R. Postpartum interval to estrus and patterns of LH and progesterone in first-calf suckled beef cows exposed to mature bulls. Journal of Animal Science , Champaign, v.68, p.1370-1377, 1990.

KILKENNY, J.B. Reproductive performance of beef cows. World Review of Animal Production, Roma, v.14, n.3, p.65-75, 1978.

MacMILLAN, K.L.; ALLISON, A.J.; STRUTHERS, G.A. Some effects of running bulls with suckling cows or heifers during the premating period. New Zealand. Journal of Experimental Agriculture, Wellington, v.7, p.121, 1979.

MONJE, A.R.; ALBERIO, G.; SCHIERSMANN, P.J.; CHEDRESE, P.J.; CAROU, N. Effect of male presence on sexual activity postcalving of breeding cows in two nutritional levels. Revista Argentina de Producción Animal, v.4, p.364, 1983.

STABENFELDT, G.H.; EQVIST, L.E. Processos reprodutivos na fêmea. In: SWENSON, M.J.; REECE, W.O. (ed.). Fisiologia dos animais domésticos. Rio de Janeiro: Guanabara-Koogan, 1996. p.615-644.

STUMPF, T.T; WOLFE, M.W.; WOLFE, P.L.; DAY, M.L.; KITTOK, R.J.; KINDER, J.E. Weight changes prepartum and presence of bulls postpartum interact to affect duration of postpartum anestrus in cows. Journal of Animal Science, Champaign, v.70, p.3133-3137, 1992.

ZALESKI, D.D.; DAY, M.L.; GARCIA-WINDER, M.; IMAKAWA, K.; KITTOK, R.J.; DOCCHIO, M.J.; KINDER, J.E. Influence of exposure to bulls on

resumption of estrous cycles following parturition in beef cows. Journal of Animal Science, Champaign, v.59, p.1135-1139, 1984.

Published

1997-06-01

How to Cite

Quadros, S. A. F. de. (1997). Biostimulation in cattle : the bull effect. Agropecuária Catarinense Journal, 10(2), 12–13. Retrieved from https://publicacoes.epagri.sc.gov.br/rac/article/view/1989

Issue

Section

Technical report