of cattle of a five breed diallel. III. Puberty in bulls and heifers. J. Anim. Sci. 50:808–820.


Taylor, C.S. 1968. Time taken to mature in relation to mature weight for sexes, strains, and species for domesticated mammals and birds. Anim. Prod. 10:157–169.

Trenkle, A. 1990. Impact of implant strategies on performance and carcass merit of feedlot cattle. In Proceedings of the 1990 Southwest Nutrition Conference. Tempe, Ariz.

Trowbridge, P.F., C.R.Moulton, and L.D.Haigh. 1918. Effect of limited food supply on the growth of young beef animals. Missouri Agr. Exp. Sta. Res. Bull. 28.

Tylutki, T.P., D.G.Fox, and R.G.Anrique. 1994. Predicting net energy and protein requirements for growth of implanted and nonimplanted heifers and steers and nonimplanted bulls varying in body size. J. Anim. Sci. 72:1806–1813.


Unruh, J.A. 1986. Effects of endogenous and exogenous growth promoting compounds on carcass composition, meat quality and meat nutritional value. J. Anim. Sci. 62:1441–1448.


Van Amburgh, M., D.Galton, D.G.Fox, and D.E.Bauman. 1991. Optimizing heifer growth. Proc. Cornell Nutr. Conf:85.

Van Maanen, R.W., J.H.Herbein, A.D.McGilliard, and J.W.Young. 1978. Effects of monensin on in vivo rumen propionate production and blood glucose kinetics in cattle. J. Nutr. 108:1002–1007.

Van Soest, P.J. 1994. Nutritional Ecology of the Ruminant, Second Ed. London: Comstock Publishing Assoc.


Wagner, J.J. 1984. Carcass Composition in Mature Hereford Cows: Estimation and Influence on Metabolizable Energy Requirements for Maintenance during Winter. Ph.D. dissertation. Oklahoma State Univ., Stillwater, Oklahoma.

Whitman, R.W. 1975. Weight Change, Body Condition and Beef Cow Reproduction. Ph.D. dissertation. Colorado State University, Fort Collins, Colorado.

Wilkerson, V.A. 1993. Metabolizable protein and amino acid requirements of growing cattle. J. Anim. Sci. 71:2777–2784.

Wilkerson, V.A., T.J.Klopferstein, R.A.Button, R.A.STock, and P.S.Miller. 1993. Metabolizable protein and amino acid requirements of growing cattle. J. Anim. Sci. 71:2777–2784.

Williams, A.P. 1978. The amino acid, collagen and mineral composition of preruminant calves. J. Agric. Sci. Camb. 90:617.

Williams, C.B., J.W.Keele, and D.R.Waldo. 1992. A computer model to predict empty body weight in cattle from diet and animal characteristics. J. Anim. Sci. 70:3215–3222.

Wiltbank, J.N., S.Roberts, J.Nix, and L.Rowden. 1985. Reproductive performance and profitability of heifers fed to weight 272 or 318 kg at the start of the first breeding season. J. Anim. Sci. 60:25–34.

Woody, H.D., D.G.Fox, and J.R.Black. 1983. Effect of diet grain content on performance of growing and finishing cattle. J. Anim. Sci. 57:717–728.

Wright, V.A., and A.J.Russel. 1984a. Partition of fat, body composition, and body condition score in mature cows. Anim. Prod. 38:23–32.

Wright, V.A., and A.J.Russel. 1984b. Estimation in vivo of the chemical composition of the bodies of mature cows. Anim. Prod. 38:33–43.

Wright, I.A., S.M.Rhind, T.K.Whyte, and A.J.Smith. 1992. Effects of body condition at calving and feeding level after calving on LH profiles and the duration of the post-partum anoestrous period in beef cows. Anim. Prod. 55:41–46.



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