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Effect of different levels and sources of zinc on growth performance and immunity of broiler chicken during summer

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A six week biological experiment was conducted to evaluate different levels and sources of zinc in terms of broiler performance and their immunity under heat stress. A total of 384 broiler chicks were divided into 48 groups with 8 birds in each. Following a 3x4 factorial design 12 dietary treatments were formulated employing three levels of zinc (40, 60, and 80 ppm) from four different sources viz. inorganic (IZ), organic (OZ), green nano (GNZ), and market nano zinc (MNZ) and each treatment was allocated four groups. | Effect of different levels and sources of zinc on growth performance and immunity of broiler chicken during summer

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