References
- Beermann , T. F. , Robinson , T. F. and Hogue , D. E. 1995 . Impact of composition manipulation on lean lamb production in the United States . J. Anim. Sci. , 73 : 2493 – 2502 .
- Beermann , D. H. 2002 . Beta-adrenergic receptor agonist modulation of skeletal muscle growth . J. Anim. Sci. , 80 : E18 – E23 .
- NRC. 1985 . Nutrient Requirements of Sheep, , 6th Edn , Washington, DC : National Academy Press .
- Pringle , T. D. , Calkins , C. R. , Koohmaraie , M. and Jones , S. J. 1993 . Effects over time of feeding a beta- adrenergic agonist to wether lambs on animal performance, muscle growth, endogenous muscle proteinase activities, and meat tenderness . J. Anim. Sci. , 71 : 636 – 644 .
- Reeds , P. J. and Mersmann , H. J. 1991 . Protein and energy requirements of animals treated with β-adrenergic agonists: a discussion . J. Anim. Sci. , 69 : 1532 – 1550 .
- Rikhardsson , G. , Johnson , K. A. and Johnson , D. E. 1991 . Effects of cimaterol on energetics and carcass characteristics of Suffolk ewe lambs . J. Anim. Sci. , 69 : 396 – 404 .
- Salinas-Chavira , J. , Ramirez , R. G. , Domínguez-Muñoz , M. , Palomo-Cruz , R. and Lopez-Acuña , V. H. 2004 . Influence of zilpaterol hydrochloride on growth and carcass characteristics of lambs . J. Appl. Anim. Res. , 26 : 13 – 16 .
- Shackelford , S. D. , Edwards , J. W. , Smarr , E. K. and Savell , J. W. 1992 . Retail cut yields of Rambouillet wether lambs fed the beta-adrenergic agonist L644, 969 . J. Anim. Sci. , 70 : 161 – 168 .
- Smith , D. J. 1998 . The pharmacokinetics, metabolism and tissue residues of beta-adrenergic agonists in livestock . J. Anim. Sci. , 76 : 173 – 194 .
- Steel , R. G.D. and Torrie , J. H. 1980 . Principles and Procedures of Statistics , New York, , U.S.A. : McGraw Hill .
- Wildeus , S. 1997 . Hair sheep genetic resource and their contribution to diversified small ruminant production in the United States . J. Anim. Sci. , 75 : 630 – 640 .