Zeranol and Estradiol Induce Similar Lesions in the Testes and Epididymides of the Prepubertal Beef Bull

Zeranol and Estradiol Induce Similar Lesions in the Testes and Epididymides of the Prepubertal Beef Bull. VEERAMACHANENI, D. N. R., SHERMAN, G. B., FLOYD, J. G., OTT, R. S., AND HIXON, J. E. (1988). Fundam. Appl. Toxicol. 10,73–81. Testes and epididymides of three groups (N = 4) of 6-month-old crossbred beef bulls implanted with a placebo or 150, 300, and 600 mg of estradiol–170 at birth, 2, and 4 months of age, respectively, or 36 mg of zeranol at birth only were examined for histologic changes and development. There was a reduction (p