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Effect of sepiolite supplementation on broiler growth performance and carcass yield

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Author(s): M. Hadj Ayed, | I. Zghal | B. Rekik

Journal: Research Opinions in Animal & Veterinary Sciences
ISSN 2221-1896

Volume: 1;
Issue: 6;
Start page: 375;
Date: 2011;
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Keywords: Broiler | Sepiolite | Feed Efficiency

ABSTRACT
The effects of incorporating sepiolite into diet on growth performance were studied in broilers. A total of 600 one day-old Hubbard JV chicks of both sexes were divided into 12 litter pens (50 chicks per pen). Pens were allotted randomly to four diets: diet 0 (D0), diet 0.5 (D0.5), diet 1 (D1), and diet 2 (D2) (with 4 replications x 50 birds/diet). Dietary treatments were achieved by incorporating 0%, 0.5%, 1%, and 2%, respectively, of sepiolite into rations based on corn and soybean meal, for starter, grower, and finisher periods. Growth performance, mortality rate (MR), feed intake (FI), and feed conversion ratio (FCR) were evaluated weekly. At 36 days of age, twelve male and female broilers from each pen were slaughtered to evaluate hot carcass yield (HCY). Results showed that overall growth performances were significantly enhanced by increasing the percentage of sepiolite in the diet and the best results were obtained for the lot fed D2. Live body weight at 36 days of age and daily gain were improved (P
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