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Referencias:

• Ambrustolo, R.R., Bulman, G.M., Segura, E.J., Beckwith, B., Guerrero, J., Helminth control and its relation to parameters of breeding fitness in replacement heifers in the humid pampas of Argentina (1990) Vet. Argent., 7, pp. 92-98
• Barth, D., Ericsson, G.F., Kunkle, B.N., Rehbein, S., Ryan, W.G., Wallace, D.H., Evaluation of the persistence of the effect of ivermectin and abamectin against gastrointestinal and pulmonary nematodes in cattle (1997) Vet. Rec., 140, pp. 278-279
• Capuco, A.V., Smith, J.J., Waldo, D.R., Rexroad, C.E.J., Influence of prepubertal dietary regimen on mammary growth of Holstein heifers (1995) J. Dairy Sci., 78, pp. 2709-2725
• Claerebout, E., Hollanders, W., Dorny, P., Vercruysse, J., Effect of chemoprophylaxis with an ivermectin sustained-release bolus on acquired resistance to gastrointestinal parasites in cattle (1997) Vet. Rec., 141, pp. 441-445
• Costa, J., Cabaret, J., Mejía, M.E., Ganancias de pesos vivos de novillos y vaquillonas de la pampa húmeda en relación con el parasitismo por estrongílidos digestivos (1987) Info. Tec. Econ. Agraria, 70, pp. 38-47
• Costa, J., Mejía, M.E., Resultados obtenidos en el control de la gastroenteritis verminosa bovina en 6 establecimientos del partido de Lincoln (Bs.As.) (1988) Therios, 11, pp. 49-63
• Deutscher, G.H., Pelvic measurements of beef replacement heifers and bulls (1996) Compend. Contin. Educ. Pract. Vet., 18, pp. S248-S252
• Edmonson, A.J., Lean, I.J., Weaver, L.D., Development and precision testing of body condition scoring chart for dairy cows (1987) J. Dairy Sci., 70, pp. 1997-2001
• Entrocasso, C., Epidemiology and control of bovine ostertagiasis in South America (1988) Vet. Parasitol., 27, pp. 59-65
• Field, C., Steffan, C., Almada, A., Epidemiology of tricostrongyle infection in grazing cattle of the humid pampa (Argentina) with special reference to ostertagia ostertagi (1990) Proc. 16th World Buiatrics Congr., p. 15. , W.H.D. Leaning and J. Guerrero (Ed.) Epidemiology of Bovine Parasites in the Americas. Salvador, Bahia, Brazil
• Finkelman, F.D., Shea-Donohue, T., Goldhill, J., Sullivan, C.A., Morris, S.C., Madden, K.B., Gause, W.C., Urban J.F., Jr., Cytokine regulation of host defense against parasitic gastrointestinal nematodes: Lessons from studies with rodent models (1997) Annu. Rev. Immunol., 15, pp. 505-533
• Fisher, M.A., Jacobs, D.E., Influence of chemoprophylaxis on protective immunity to nematodes in cattle: A two-year study comparing four control strategies (1995) Vet. Rec., 137, pp. 581-585
• Frisch, R.E., Body fat, puberty and fertility (1984) Biol. Rev., 59, p. 161
• Gasbarre, L.C., Leighton, E.A., Bryant, D., Reliability of a single fecal egg per gram determination as a measure of individual and herd values for trichostrongyle nematodes of cattle (1996) Am. J. Vet. Res., 57, pp. 168-171
• Hall, J.B., Schillo, K.K., Fitzgerald, B.P., Bradley, N.W., Effects of recombinant bovine somatotropin and dietary energy intake on growth, secretion of luteinizing hormone, follicular development, and onset of puberty in beef heifers (1994) J. Anim. Sci., 72, pp. 709-718
• Hall, J.B., Staigmiller, R.B., Bellows, R.A., Short, R.E., Moseley, W.M., Bellows, S.E., Body composition and metabolic profiles associated with puberty in beef heifers (1995) J. Anim. Sci., 73, pp. 3409-3420
• Holmes, P.R., The opportunity of a lifetime. Reproductive efficiency in the beef herd (1989) MSD-AGVET, , Division of Merck and Co., Inc., Rahway, NJ
• Gastroenteritis verminosa de los rumiantes: Técnicas de diagnóstico (1992) INTA, , Balcarce, Argentina
• Kinder, J.E., Bergfield, E.G.M., Wehrman, M.E., Peters, K.E., Kojima, F.N., Endocrine basis for puberty in heifers and ewes (1995) J. Reprod. Fertil., 49, pp. 393-407
• Larson, R.L., Corah, L.R., Spire, M.F., Cochran, R.C., Effect of treatment with ivermectin on reproductive performance of yearling beef heifers (1995) Theriogenology, 44, pp. 189-197
• Marston, T.T., Lusby, K.S., Wettemann, R.P., Effects of postweaning diet on age and weight of puberty and milk production of heifers (1995) J. Anim. Sci., 73, pp. 63-68
• Martin, L.C., Brinks, J.S., Bourdon, R.M., Cundiff, L.V., Genetic effects on beef heifer puberty and subsequent reproduction (1992) J. Anim. Sci., 70, pp. 4006-4017
• Murrell, K.D., Leighton, E.A., Boswell, B.A., Comparison of eggs excretion and serum pepsinogen levels as measures of nematode worm burdens in calves with limited pasture exposure (1989) J. Parasitol., 75, pp. 360-366
• Patterson, D.J., Perry, R.C., Kiracofe, G.H., Bellows, R.A., Staigmiller, R.B., Corah, L.R., Management considerations in heifer development and puberty (1992) J. Anim. Sci., 70, pp. 4018-4035
• Purvis H.T. II, Whittier, J.C., Effects of ionophore feeding and anthelmintic administration on age and weight at puberty in spring-born beef heifers (1996) J. Anim. Sci., 74, pp. 736-744
• Radcliffe, J., VandeHaar, M.J., Skidmore, A.L., Chapin, L.T., Radke, B.R., Lloyd, J.W., Stanisiewski, E.P., Tucker, H.A., Effect of diet and bovine somatotropin on heifer growth and mammary development (1997) J. Dairy Sci., 80, pp. 1996-2003
• Ringuet, H., Pelletier, G., Brazeau, P., Gaudreau, P., Guilbault, L.A., Morisset, J., Couture, Y., Petitclerc, D., Long-term effects of human growth hormone-releasing hormone and photoperiod on hormone release and puberty in dairy heifers (1994) J. Anim. Sci., 72, pp. 2709-2717
• Ryan, W.G., Crawford R.J., Jr., Gross, S.J., Wallace, D.H., Assessment of parasite control and weight gain after use of an ivermectin sustained-release bolus in calves (1997) J. Am. Vet. Med. Assoc., 211, pp. 754-756
• Schallig, H.D.F.H., Van Leeuwen, M.A.W., Protective immunity to the blood-feeding nematode Haemonchus contortus induced by vaccination with parasite low molecular weight antigens (1997) Parasitology, 114, pp. 293-299
• Short, R.E., Bellows, R.A., Relationships among weight gains, age at puberty and reproductive performance in heifers (1971) J. Anim. Sci., 32, pp. 127-131
• Steiner, R.A., Cameron, J.L., McNeill, T.H., Clifton, D.K., Bremner, W.J., Metabolic signals for the onset of puberty (1983) Neuroendocrine Aspects of Reproduction, p. 183. , R. L. Norman (Ed.) Academic Press, New York
• Yazwinski, T.A., Tucker, C.A., Featherston, H.E., Walstrom, D.J., Comparative therapeutic efficacy of doramectin and ivermectin against naturally acquired nematode infections in cattle (1997) Vet. Rec., 140, pp. 343-344
• Yelich, J.V., Wettemann, R.P., Marston, T.T., Spicer, L.J., Luteinizing hormone, growth hormone, insulin-like growth factor-I, insulin and metolites before puberty in heifers fed to gain at two rates (1996) Domest. Anim. Endocrinol., 13, pp. 325-338
• Zajac, A.M., Hansen, J.W., Whittier, W.D., Eversole, D.E., The effect of parasite control on fertility in beef heifers (1991) Vet. Parasitol., 40, pp. 281-291

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