Global Advanced Research Journal of Agricultural Science (GARJAS) ISSN: 2315-5094
July 2018 Vol. 7(7): pp. 217-222
Copyright © 2018 Global Advanced Research Journals
Full Length Research Paper
Effect of the incorporation of clay on feeding digestibility, nutrient retention, and digestive organ size of broiler
Chouchen Rana1, Haj ayed Mediha2, M’hamdi Naceur*1
1Laboratory of Genetic, Animal and Alimentation Resources, National Agronomic Institute of Tunisia .43 Av. Ch. Nicolle, 1082 Tunis, Tunisia
2Higher Institute of Agronomy of Chott-Meriem Chott Meriem, B.P. n° 47 -4042 Chott Meriem Sousse, Tunisia
Accepted 13 February, 2018
Two hundred one day old Hubbard JV chicks with an average initial body weight 37.59 g (± 0, 150) (P=0.228) were used in fattening and digestibility trial. The aim was to study the effect of zeolite supplementation to diet on poultry performance. Chicks were divided into 3 treatment groups: A0, A0.5 and A1 containing 0; 0.5 and 1% of zeolite, respectively. Three experiments were conducted: fattening, digestibility and carcass trial. Fattening experiment was performed for a 39 days period. Animals were fed ad libitum starter CF1 (1-17 days of age), then grower-finisher CF2 (18-39 days of age) concentrates. Feed digestibility was controlled by using reference on 24 chickens (8×3) aged of 15 days and weighing 425 g of live body weight. At the end of the essay (39 days of age), 24 chickens (8 × 3) were slaughtered to determinate hot and chilling carcass weights and yields and the proportions of breast and thigh and digestive organs in carcass. Overall results indicate that zeolite had no influence on global growth performance (48,71g). Carcass parameters studied were statistically similar for the three treatments (p> 0.26). However it seems that abdominal fat weight for the animals received 0.5% of zeolite tends to be higher than animals of the other treatment (p = 0.052). In conclusion, it appears that the addition of zeolite in broiler feeds does not have any impact on the different parameters studied.
Keywords: carcass parameters, digestibility, poultry, zeolite
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- Chouchen Rana on Google Scholar
- Chouchen Rana on Pubmed
- Haj ayed Mediha on Google Scholar
- Haj ayed Mediha on Pubmed
- M’hamdi Naceur on Google Scholar
- M’hamdi Naceur on Pubmed