Muhammad Shuaib, Abdul Hafeez, Naila Chand and Muhammad Tahir, 2024. 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. Pakistan J. Zool., 56: 2019-2025. DOI: https://dx.doi.org/10.17582/journal.pjz/20220423190447