Volume 2, Issue 2 (summer 1998)
jwss 1998, 2(2): 31-40 |
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Pour-Reza J, Mirmohammadsadeghi J. Possibility of Replacing Corn (With and Without Tallow) by Barley and Its Effect on Performance of Broiler Chickens. jwss 1998; 2 (2) :31-40
URL: http://jstnar.iut.ac.ir/article-1-256-en.html
URL: http://jstnar.iut.ac.ir/article-1-256-en.html
Abstract: (25689 Views)
In a completely randomized design, 600 commercial day old broiler chickens were used to study the possibility of replacing corn with barley. Each of 10 experimental diets in which corn was replaced with barley at levels of 0, 5, 10, 20 and 40 percent, with and without tallow, were given to 4 replicates of 15 chickens each. At 42, 49 and 56th days of age, one male and one female from each pen were killed. Body weight gain, feed intake and feed conversion ratio were not affected by different levels of barley at 42th day of age. Increasing the level of barley had not effect on body weight gain at 56th day of age. Feed conversion ratio improved slightly due to addition of 4% tallow to the diets containing different levels of barley. Abdominal fat was increased due to added tallow in males and females. Increasing slaughter age increased abdominal fat in both sexes. Difference in abdominal fat in females was more than males.
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