Comparison of the effects of two levels of the beta-adrenergic agonist Ractopamine and Zilpaterol, over three exposure periods, on meat quality

Comparison of the effects of two levels of the beta-adrenergic agonist Ractopamine and Zilpaterol, over three exposure periods, on meat quality
M. Hope-Jones, P. E. Strydom and S. M. van Heerden