The effects of low glucosinolate rape seed varieties Leo and Mar on the performance of Starbro and Vedetta broiler chickens
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Department of Animal Nutrition and Feed Sciences, Wrocław Agricultural University, Norwida 25/27, 50-375 Wrocław, Poland
Publication date: 1994-05-12
J. Anim. Feed Sci. 1994;3(3):207-213
The experiment was carried out on 1440 broiler chickens assigned to 6 groups and lasted 8 weeks. The analyzed factors were breeding lines (Starbro and Vedetta) and rape seed varieties (Leo and Mar). The chickens in the experimental groups were fed 5% rape seed in their diets. At the age of 8 weeks the Starbro chickens that were given both rape varieties showed higher (P≤0.01) body weight gains and consumed less feed than Vedetta chickens. The latter line, however, had a much better carcass yield (P≤0.01) than Starbro. The thyroids of the experimental chickens from both lines were about 40% heavier than of controls. Feeding both varieties of rape seeds in the diets increased the femoral calcium content in both lines.
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