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Growth And Wool Production Of Merino Wethers After Treatment With Testosterone, M A. Johns, A Meldrum, J F. Wallace, K P. Croker, F E. Watson

Technical Bulletins

The results were variable with there being no response to the testosterone treatment of the weaners in year 2 which were weaned onto dry feed. In the other two years, the weaners grazed at the lower stocking rates were heavier and there appeared to be a general increase in the weight of those injected with testosterone. However, the level of response was not consistent and in year 3 there was no response while the sheep grazed green feed for four months or so following weaning.