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Evaluation Of Growth Performance, Energy Utilization, And Carcass Trait Responses Of Finishing Lambs Administered Zeranol, Emily Nold
Schultz-Werth Award Papers
The objective of this research was to determine the influence of implanting heavy wether lambs with 12 mg zeranol (1 pellet Ralgro, Merck Animal Health. Madison, NJ) 59 d before harvest. Average daily gain (ADG), feed efficiency, and carcass merit were evaluated. Polpypay and crossbred wethers (n = 32 total) were equally divided into two treatment groups within a randomized complete block design. Sixteen pens were used resulting in 8 replicate pens per treatment. Wethers were fed a finishing diet consisting of cracked corn, soybean meal and soybean hulls ad libitum for 59 d. Lambs had access to clean water …