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Production Efficiency, Nutrient Utilization and Intestinal Histology of Broilers Fed on Energy Diluted Diet Supplemented with Lipase and Bile Acids

Production Efficiency, Nutrient Utilization and Intestinal Histology of Broilers Fed on Energy Diluted Diet Supplemented with Lipase and Bile Acids

Muhammad Shoaib1, Muhammad Mahboob Ali Hamid1, Shafaq Amir2, Shaukat Ali Bhatti1*, Hafiz Hassan Iqbal1, Najam-us-Sahar1 and Mubsher Hussain1,3

1Institute of Animal and Dairy Sciences, University of Agriculture, Faisalabad 38040, Pakistan
2Faculty of Science and Technology, Virtual University of Pakistan, 54000, Pakistan
3Polaris Life Sciences (Pvt) Ltd, Pakistan
 
* Corresponding author: [email protected]

ABSTRACT

This study was carried out to determine the efficacy of lipase and emulsifier + lipase in broilers reared on energy diluted diet. Five hundred and twenty birds were divided into 8 treatments groups with 5 replicates of 13 birds in each. Total 8 diets viz., PC (Positive control), NC1 (Negative control 1; 75 Kcal/kg reduced energy), NC1L (NC1 + lipase at 0.015%), NC1LB (NC1 + lipase at 0.015% + bile acids at 0.05%), NC2 (Negative control 2; 150 Kcal/kg reduced energy), NC2L (NC2 + lipase at 0.015%), NC2LB (NC2 + lipase at 0.015% + bile acids at 0.05%) and NC2 (2LB) (NC2 + 2x (lipase at 0.03% + bile acids at 0.1%)) were formulated. Weight gain, feed intake (FI), protien efficiency ratio (PER), energy efficiency ratio (EER), mortality percentage and food conversion ratio (FCR) were similar (P > 0.05) by addition of lipase and bile acids in energy diluted diets during starter phase in broiler chicks. However, birds of NC1L group had higher European production efficiency factor (EPEF) than other treatments. Weight gain, PER, EER and EPEF were higher (P < 0.05) in birds of NC1LB group and lower (P < 0.05) in birds of NC2 and NC2L group. However, FCR was better (P < 0.05) in birds of NC1LB and NC2 (2LB) group and birds of NC2 group had poor (P < 0.05) FCR. Villus height of ilium and villus surface area was higher (P < 0.05) in birds of NC1LB and lower (P < 0.05) villus height and less (P < 0.05) villus surface area were recorded in NC2 group. In conclusion addition of lipase and bile acids as emulsifier in combination form had improved production efficiency and increased villous surface area in broilers reared on 75 kcal reduced energy diet.

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Pakistan Journal of Zoology

December

Pakistan J. Zool., Vol. 56, Iss. 6, pp. 2501-3000

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