ผลของเปลือกทุเรียนหมักด้วยแบคทีเรียกรดแลคติกและสารเสริมต่อการย่อยได้ของโภชนะ นิเวศวิทยาในกระเพาะรูเมน และการใช้ประโยชน์ ของไนโตรเจนในอาหารแพะ

Abstract

The objective of this study was to evaluate the effect of fermented discarded-durian peel with lactic acid bacteria (Lactobacillus casei TH14), cellulase and molasses alone or their combination in a total mixed ration on feed utilization, digestibility, ruminal fermentation, and nitrogen utilization in growing crossbred Thai native-Anglo-Nubian goats. Five crossed breed Thai native-Anglo-Nubian goats (50%) at 9 to 12 months of ages and 20±1 of body weight (BW) was assigned to a 5 × 5 Latin square design. Evaluated treatments were fermented discarded-durian peel without additives (FDP), fermented discarded-durian peel with 5% of molasses (FDPM), fermented discarded-durian peel with 2% of cellulase (FDPC), fermented discarded-durian peel with 1.0 × 105 cfu/g fresh matter of L. casei TH14 (FDPL), and fermented discarded-durian peel with 5% of molasses and 1.0 × 105 cfu/g fresh matter of L. casei TH14 (FDPML). This study showed that acid detergent fiber intake was different (P<0.05) between FDP and FDPML, at 0.24 g/d and 0.20 g/d, respectively. FDPML had significantly (P<0.05) greater apparent nutrient digestibility and propionate concentration compared with other treatments. FDPML reduced the acetate to propionate ratio, methane production, and urinary nitrogen significantly (P<0.05). Based on this experiment, treating discarded-durian peel with molasses and L. casei TH14 in combination could add 25% on a dry matter basis into the diet for growing goats without negative impact.