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Beef Science

South Dakota State University

2020

Estradiol

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Full-Text Articles in Life Sciences

Bedding Application And Increasing Dosage Of Trenbolone Acetate And Estradiol In Implants For Beef Steers: Influence On Growth Performance, Carcass Characteristics, And Circulating Metabolite Responses, Dathan T. Smerchek Jan 2020

Bedding Application And Increasing Dosage Of Trenbolone Acetate And Estradiol In Implants For Beef Steers: Influence On Growth Performance, Carcass Characteristics, And Circulating Metabolite Responses, Dathan T. Smerchek

Electronic Theses and Dissertations

Three randomized complete block design feedlot experiments were conducted over the course of two years. Two experiments were conducted to investigate the effect of bedding use in confined beef steers. The third experiment evaluated the effects of implants containing increasing doses of trenbolone acetate (TBA) and estradiol benzoate (EB) in confined beef steers. Experiment 1 used Simmental × Angus steers (n = 240; initial body weight (BW) = 365 ± 22.5 kg). Experiment 2 used newly weaned Charolais × Red Angus steers (n = 162; initial BW = 278 ± 13.4 kg). Steers were allotted to 1 of 2 treatments: …