Effect of Fiber Degrading Enzymes Added in Soybean Hulls on the Egg Quality Parameters During Early Peak Production Period in Laying Hens
Effect of Fiber Degrading Enzymes Added in Soybean Hulls on the Egg Quality Parameters During Early Peak Production Period in Laying Hens
Muhammad Shuaib1*, Abdul Hafeez1, Muhammad Shahkar Uzair1, Abubakar Sufyan2 and Hammad Ullah3
ABSTRACT
This study was designed to determine the combined effect of fiber degrading enzymes (β-Mannanase) and soybean hulls (SH) on the egg quality parameters in the laying hens during the early (29 to 32 weeks) peak production period. Two hundred golden brown (RIR × Fayoumi) layer birds, 28 weeks old, were used for the experimental purpose and were assigned into five groups CON, T1, T2, T3, and T4. Each group contained 4 replicates with 10 birds per replicate. The CON group had a corn-soybean basal diet while the T1 group had 3%SH+20mg/kg enzyme, T2 3%SH+30mg/kg enzyme, T3 9%SH+20mg/kg enzyme, and T4 group 9%SH+30mg/kg enzyme in the feed. Results indicated overall significantly lower egg shell thickness in the control group while all other overall internal and external egg quality parameters were not affected (P>0.05). It is concluded that the replacement of soybean meal in the diet of laying hens by 3 and 9%SH in combination with enzyme (β-Mannanase) at the level of 20 and 30mg/kg feed has a positive effect on the egg quality parameters during early peak egg production period in the laying hens.
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