Effect of Fiber Degrading Enzymes Added in Soybean Hulls on the Production Performance, Hematology, Serum Biochemistry and Economics During Early Peak Production Period in Laying Hens
Effect of Fiber Degrading Enzymes Added in Soybean Hulls on the Production Performance, Hematology, Serum Biochemistry and Economics During Early Peak Production Period in Laying Hens
Muhammad Shuaib1*, Abdul Hafeez1, Naila Chand1 and Muhammad Tahir2
ABSTRACT
The present study aimed to investigate the combined effect of fiber degrading enzymes (β-Mannanase) and soybean hulls on the production performance, hematological parameters, and economics in the laying hens during the early (29 to 32 weeks) peak production period. Two hundred golden brown (RIR×Fayoumi) layer birds of age 28 weeks were used for the experimental purpose and were distributed in five groups control (CON), and treatment groups (T1, T2, T3, and T4), each had 4 replicates with 10 birds per replicate. The CON group had a corn-soybean basal diet while the T1 group contained 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. Overall feed intake, weight gain, and water intake were calculated (P<0.05) in the T2 diet group. Egg production, FCR, HDEP, and mortality was not effaced (P>0.05) in all weeks. Total revenue was calculated higher in the T2 group while the profit and cost-benefit ratio had a higher (P<0.05) value in the CON and T1 diet groups. The total cholesterol and low-density lipoprotein (LDL) were calculated (P<0.05) higher in the CON group while all other hematological and serum biochemistry parameters were not affected and were in the normal range. It is concluded that the replacement of soybean meal in the diet of laying hens by 3% SH in combination with enzyme (β-Mannanase) at the level of 20mg/kg feed has a positive effect on the overall performance of laying hens during the early peak egg production period.
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