Umair Ahmad, Asad Sultan, Sarzamin Khan and Muhammad Tahir, 2024. Effect of Ginger Derived Phyto-Protease on Production Performance, Serum Biochemistry, Nutrient Digestibility, Gut Morphometry and Immunity of Broilers Fed High Level of Poultry By Product Meal-Based Diet. Pakistan J. Zool., 56: 1233-1242. DOI: https://dx.doi.org/10.17582/journal.pjz/20221031071042