Merkel, R.A., Dickerson, P., Johnson, S., Burkett, R., Burnett, R., Schroeder, A., Bergen, W. and
Anderson, D. (1987) The effect of ractopamine on lipid metabolism in pigs. Federation
Proceedings46, 1177.
Merkel, R.A., Burkett, R.J., Babiker, A.S., Schroeder, A.L., Bergen, W.G., Anderson, D.B. and
Veenhuizen, E.L. (1988) Qualitative properties and carcass composition of pigs fed ractopamine.
In: Chandler, C.S. and Thornton, R.F. (eds) Proceedings of the 34th International Congress of Meat
Science and Technology. Congress Organizing Committee, Brisbane, Australia, pp. 605–606.
Merkel, R.A., Babiker, A.S., Schroeder, A.L., Burnett, R.J. and Bergen, W.G. (1990) The effect of
ractopamine on qualitative properties of porcine longissimus muscle. Journal of Animal Science
68 (Suppl. 1), 336.
Mersmann, H.J. (1987) Acute metabolic effects of adrenergic agents in swine. American Journal of
Physiology252, E85–E95.
Mersmann, H.J. (1989) Acute changes in blood flow in pigs infused with beta-adrenergic agonists.
Journal of Animal Science67, 2913–2920.
Mersmann, H.J. (1995) Species variation in mechanisms for modulation of growth by beta-adrenergic
receptors. Journal of Nutrition125, 1777S–1782S.
Mersmann, H.J. (1998) Overview of the effects of beta-adrenergic receptor agonists on animal growth
including mechanisms of action. Journal of Animal Science76, 160–172.
Mersmann, H.J., Hu, C.Y., Pond, W.G., Rule, D.C., Novakofski, J.E. and Smith, S.B. (1987) Growth and
adipose tissue metabolism in young pigs fed cimaterol with adequate or low dietary protein.
Journal of Animal Science64, 1384–1394.
Mills, S.E., Liu, C.Y., Gu, Y. and Schinckel, A.P. (1990) Effects of ractopamine on adipose tissue
metabolism and insulin binding in finishing hogs. Interaction with genotype and slaughter
weight. Domestic Animal Endocrinology7, 251–263.
Minneman, K.P., Hedberg, A. and Molinoff, P.B. (1979) Comparison of beta adrenergic receptor
subtypes in mammalian tissues. Journal of Pharmacology and Experimental Therapeutics221,
502–508.
Mitchell, A.D., Steele, N.C., Solomon, M.B., Alila, H.W., Lindsey, T.O. and Cracknell, V. (1994)
Influence of dietary background on the response of pigs to the beta-adrenergic agonist BRL- Journal of Animal Science72, 1516–1521.
Mitchell, G.A. and Dunnavan, G. (1998) Illegal use of beta-adrenergic agonists in the United States.
Journal of Animal Science76, 208–211.
Moloney, A., Allen, P., Joseph, R. and Tarrant, V. (1991) Influence of beta-adrenergic agonists and
similar compounds on growth. In: Pearson, A.M. and Dutson, T.R. (eds) Growth Regulation in
Farm Animals. Elsevier, New York, pp. 455–513.
Morgan, J.B., Jones, S.J. and Calkins C.R. (1989) Muscle protein-turnover and tenderness in broiler-
chickens fed cimaterol. Journal of Animal Science67, 2646–2654.
National Research Council (1998) Nutrient Requirements of Swine, 10th edition. National Academy
Press, Washington, DC.
O’Connor, R.M., Butler, W.R., Hogue, D.E. and Beermann, D.H. (1991a) Temporal pattern of skeletal
muscle changes in lambs fed cimaterol. Domestic Animal Endocrinology8, 549–554.
O’Connor, R.M., Butler, W.R. Finnerty, K.D., Hogue, D.E. and Beermann, D.H. (1991b) Acute and
chronic hormone and metabolite changes in lambs fed the beta-agonist, cimaterol. Domestic
Animal Endocrinology8, 537–548.
O’Donnell, S.R. and Wanstall, J.C. (1978) Evidence that the efficacy (intrinsic activity) of fenoterol is
higher than that of salbutamol on beta-adrenoceptors in guinea-pig trachea. European Journal of
Pharmacology47, 333–340.
Orcutt, A.L., Cline, T.R. and Mills, S.E. (1989) Influence of the 2-adrenergic agonist clenbuterol on
insulin-stimulated lipogenesis in mouse adipocytes. Domestic Animal Endocrinology6, 59–69.
Parr, T., Bardsley, R.G., Gilmour, R.S. and Buttery, P.J. (1992) Changes in calpain and calpastatin
mRNA induced by beta-adrenergic stimulation of bovine skeletal muscle. European Journal of
Biochemistry208, 333–339.
Parsons, N. and Knight, P. (1990) Origin of variable extraction of myosin from myofibrils treated with
salt and pyrophosphate. Journal of the Science of Food and Agriculture51, 71–90.
Perkins, E.G., McKeith, F.K., Jones, D.J., Mowrey, D.H., Hill, S.E., Novakofski, J. and O’Connor, P.L.
(1992) Fatty acid and cholesterol changes in pork longissimus muscle and fat due to ractopamine.
Journal of Food Science57, 1266–1268.
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