Abstract
IN APRIL, 1942, a commercial turkey grower reported leg weakness in poults 2½ weeks of age. A line test for calcification showed the poults to be affected with rickets. A short time later a second grower reported the same condition in poults about three weeks old. Both growers were feeding the same brand of commercial turkey starter. The feed company reported that they were using a vitamin-mineral premix, containing D-activated animal sterol, a vitamin A carrier, and minerals. They had checked the product with baby chicks, obtaining normal growth and calcification, but had not used it for poults.Carver and Rhian (1942) reported that turkey poults required a minimum of 80 units of vitamin D per 100 grams of feed. They found that 100 units of D per 100 grams of feed in the form of an activated animal sterol gave satisfactory calcification. On the other hand, Jukes and Sanford .
Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
