Haematological Parameters, Serum Metabolites and Enzyme Activities of Broiler Chicken Fed with or without Phytase
Journal Title: Asian Journal of Advances in Agricultural Research - Year 2017, Vol 2, Issue 4
Abstract
Aim: The experiment was conducted to investigate the effect of phytase on haematological indices, serum metabolites and enzyme activities of broiler chickens fed diets with or without phytase supplementation. Study Design: The experiment employed a complete randomized design; all data generated were subjected to analysis of variance, P=0.05. Place and Duration of Study: The study was carried out at the Teaching and Research Farm of the Ekiti State University, Ado-Ekiti, Nigeria, between February and April, 2011. Methodology: Two hundred and forty unsexed day-old Anak 2000 strain broiler chicken were used in a 56-day feeding trial. The birds were allotted to 5 treatments with 4 replicates per treatment of 12 birds per replicate. Diet 1 was the reference diet with no phytase supplementation but with both plant and animal protein sources. Diets 2 and 3 were duplicate diets with enzyme supplementation only in diet 3. Diets 4 and 5 were also duplicate diets with enzyme supplementation only in diet 5. Diets 2 and 3 had groundnut cake as the major plant protein ingredient while diets 4 and 5 had soybean cake as the major protein ingredient. They were fed ad-libitum. Haematological parameters, serum metabolites and enzyme activities were determined. Results: Significant (P<0.05) increase was obtained for mean corpuscular haemoglobin concentration (MCHC) of birds on diet 3 (30.04±2.41%) and diet 5 (29.74±2.30%), the eosinophils of birds on reference diet (4.80±1.29%) aspartate amino transferase (AST) of birds on diet 3 (103.50±1.01 mmol/L) and diet 5 (105.00±0.01 mmol/L). However, significant (P<0.05) decrease was recorded for alkaline phosphate (ALP) of birds on phytase supplementation, diet 3 (116.42±3.73 mmol/L) and diet 5 (118.80±1.51 mmol/L). Conclusion: The parameters evaluated in this study did not indicate any changes that would suggest that phytase supplementation in broiler diets affected the health status of broiler chicken.
Authors and Affiliations
O. T. Daramola
Keywords
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- EP ID EP337318
- DOI 10.9734/AJAAR/2017/36468
- Views 81
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