In this study thirty six (36) Ghezel ram and wether at about five months of age were used to determine the effects of zeranol implants on growth and carcass characteristics in a 2x2 factorial arrangements. Lambs were alloted randomly to the following treatments for 63 days 1) non implanted (NI) rams,2) implanted (I) rams, 3) NI wethers, and 4) I wethers. Rams were heavier than wethers at slaughter (P
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