ON THE INDUCTION OF MOLT IN BIRDS BY 17α-OXYPROGESTERONE-17-CAPRONATE

摘要: The effect of 17α-oxyprogesterone-17-capronate on molting 19 species birds was investigated. Birds fall into two separate groups with regard to their response the hormone. Some molt after injection and others do not. first group are those which breed year round, second have a restricted breeding season. latter mostly wild species. Bengalees canaries, respectively, in our tests were representative each group. Oxyprogesterone capronate does not accelerate growth rate feather regeneration either type bird, but, rather, it inhibits canaries. hormone seems stimulate resting papillae become active can induce feathers tail, wing body. In begins about one week regardless amount duration molting, numbers castfeathers proportional dose from 1.25 6.25 mg. There is no sexual di...