Effects of increasing levels of palm kernel meal containing β-mannanase to growing-finishing pig diets on growth performance, nutrient digestibility, and pork quality
2020
ABSTRACT In this study, we investigated the effects of increasing levels of palm kernel meal (PKM) in diets containing β-mannanase on growth performance, nutrient digestibility, and pork quality in growing-finishing pigs. One hundred twenty pigs [(Yorkshire × Landrace) × Duroc] with 29.68 ± 0.17 kg BW] were allotted to 5 dietary treatments with 4 pigs per pen and 6 replicates per treatment on the basis of sex and BW. These dietary treatments were: NC (negative control; corn-soybean meal-based diet), PC (positive control; basal diet + 0.10 % β-mannanase), PKM6 (diet containing 6 % PKM + 0.10 % β-mannanase), PKM12 (diet containing 12 % PKM + 0.10 % β-mannanase), and PKM18 (diet containing 18 % PKM + 0.10 % β-mannanase). The BW was linearly decreased as the dietary inclusion level of PKM increased in early finishing phase (linear, P
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