Resumen
AN-171, a 4-page fact sheet by Jeffrey N. Carter and Matthew J. Hersom, suggests that deworming nursing calves at branding may be profitable and describes the results of a study conducted at three locations in Florida. Includes references and tables of performance results. Published by the UF Department of Animal Sciences, August 2007.
Citas
Armour, J. 1980. The epidemiology of helminth disease in farm animals. Vet. Parasitol. 6:7-12. https://doi.org/10.1016/0304-4017(80)90037-0
Borgsteede, F.H.M. and W.P.J. Burg. 1982. Worm burdens in Cows II: An analysis of the population of nematodes in the abomasa of adult dairy cows. Vet . Parasitol. 10:323-331. https://doi.org/10.1016/0304-4017(82)90084-X
Henderson, G. 2006. Parasite control. In: Drovers. Ed. G. Henderson. Vol. 134. 3:58-60.
Mejía, M., A. Gonzalez-Iglesias, G.S. Díaz-Torga, P. Villafañe, N. Formía, C. Libertun, D. Becú-Villalobos, and I.M. Lacau-Mengido. 1999. Effects of continuous ivermectin treatment from birth to puberty on growth and reproduction in dairy heifers. J. Anim. Sci. 77:1329-1334. https://doi.org/10.2527/1999.7761329x
Purvis, H.T., J.C. Whittier, S.L. Boyles, L.J. Johnson, H.D. Ritchie, S.R. Rust, D.B. Faulkner, R.P. Lemanager, and K.S. Hendrix. 1994. Weight gain and reproductive performance of spring-born beef heifer calves intraruminally administered oxfendazole. J. Anim. Sci. 72:817-823. https://doi.org/10.2527/1994.724817x
Ward, J.K., D.L. Ferguson, A.M. Parkhurst, J. Berthelsen, and M.J. Nelson. 1991. Internal parasite levels and response to anthelmintic treatment by beef cows and calves. J. Anim. Sci. 69:917-922. https://doi.org/10.2527/1991.693917x
Whittier, J.C., B.L. Weech, M.C. Lucy, D.H. Keisler, M.F. Smith, and R.M. Corwin. 1999. Effect of anthelmintic treatment on sexual maturation in prepubertal beef heifers. J. Anim. Sci. 77:736-741. https://doi.org/10.2527/1999.773736x
Wikse, S.E., R.W. Field, T.M. Craig, P.S. Holland, K.S. Barling, and R.E. Toombs. 2004. Increase profits by deworming your nursing beef calves. Pfizer Bulletin.