In contrast, Mohammadigheisar and Kim (2018) showed significant improvements in BW gain due to the addition of a serine protease, also expressed in Bacillus licheniformis to low CP diets (19.4% CP in starter and 17.5% CP in grower diets) and a positive trend was observed in improving FCR.
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Multiprotease improves amino acid release in vitro, energy, and nutrient utilization in broilers fed diets varying in crude protein levels
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