Paper Information

Journal:   IRANIAN JOURNAL OF ANIMAL SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)   WINTER 2016 , Volume 46 , Number 4; Page(s) 417 To 427.
 
Paper: 

THE EFFECTS OF USING RICE BRAN, ENZYME AND PROBIOTIC ON PERFORMANCE, EGG QUALITY TRAITS AND BLOOD METABOLITES IN LAYING HENS

 
 
Author(s):  NOBAKHT ALI*, HOSSEINI FARD BEHZAD
 
* ISLAMIC AZAD UNIVERSITY, MARAGHEH BRANCH
 
Abstract: 

This experiment was conducted to evaluate the effects of using rice bran, combo multi-enzyme and probiotic (protexin) in diet on performance, egg traits, biochemical parameters and blood cells of commercial laying hens. This experiment carried out using 384 Hi-line (W36) laying hens in a completely randomized design as factorial (2´2´2) arrangement with two levels of rice bran (0 and 10%), two levels of combo multi-enzyme (0 and 0.05%) and two levels of protexin (0 and 0.005%) in 8 treatments, 4 replicates and 12 birds per replicate for 12 weeks (65-76 weeks). Using 10% rice bran in diets improved the egg weight, egg production percentage and egg mass, feed conversion ratio, egg yolk color index and blood HDL of laying hens (P<0.05), whereas did not have any significant effects on the amounts of feed intake and immune cells (P>0.05). Combo multi-enzyme in diets did not have any significant effects on performance, egg quality traits and blood parameters of laying hens (P>0.05). Using protexin in laying hens diets without having any significant effects on egg quality traits and blood parameters (P>0.05), improved the feed conversion ratio (P<0.05). In using rice bran with combo multi-enzyme and protexin, performance, egg traits and blood HDL improved (P<0.05), whereas did have any significant effects on the amounts of feed intake and immune cells (P>0.05). The overall results indicated that in laying using 10% rice bran with 0.05% of combo multi-enzyme and 0.005% of probiotic can improve the performance, egg traits and blood HDL.

 
Keyword(s): BLOOD METABOLITES, EGG QUALITY TRAITS, LAYING HENS, PERFORMANCE, RICE BRAN
 
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