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2003; Kansas Agricultural Experiment Station contribution; no. 03-272-S; Report of progress (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service); 908; Beef; Castration; Preconditioned weights; Weaning weights
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Full-Text Articles in Life Sciences
Effects Of Castration Age And A Growth Implant During Suckling On Weaning And Preconditioned Weights (2003), T.T. Marston, Donald A. Llewellyn, J.W. Homm, Larry C. Hollis
Effects Of Castration Age And A Growth Implant During Suckling On Weaning And Preconditioned Weights (2003), T.T. Marston, Donald A. Llewellyn, J.W. Homm, Larry C. Hollis
Kansas Agricultural Experiment Station Research Reports
Crossbred Angus calves (n=141) were used to determine the effect of castration age and implant on weaning and preconditioned weights. Calf treatments consisted of: early castration at 90 days of age with no growth implant, early castration with a growth implant (Synovex C) at 90 days of age, or late castration at weaning (226 days of age). All calves completed a preconditioning program that consisted of timely vaccinations (21 days prior and at weaning) and a 28-day, post-weaning feeding period. Steers that were early castrated/implanted had weaning weights similar to those of bull calves, and both groups weighed 15 lb …