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  • Title: Effects of high-level dietary distillers dried grains with solubles supplemented with multienzymes on growth performance, nutrient utilization, intestinal morphology, and pellet quality in broiler chickens.
    Author: Jin D, Tugiyanti E, Rimbawanto EA, Rosidi R, Widiyastuti T, Susanto A, Ismoyowati I.
    Journal: Vet World; 2024 Aug; 17(8):1943-1954. PubMed ID: 39328431.
    Abstract:
    BACKGROUND AND AIM: With the increasing cost of bulk raw materials and advancements in the feed enzyme industry, corn distillers dried grains with solubles (DDGS) have shown more opportunities for use in broiler diets. Supplementation with multiple enzymes could mitigate anti-nutritional factors in DDGS, enhance nutrient digestibility, and thereby increase its utilization in broiler diets, leading to reduced feed costs. This study evaluated the effects of multienzyme supplementation on growth performance, nutrient utilization, intestinal morphology, and pellet quality in broiler chickens fed diets containing conventional levels of DDGS (C-DDGS) and higher levels of DDGS (H-DDGS). MATERIALS AND METHODS: A total of 800 1-day-old Cobb 500 chicks was assigned to four dietary treatments with eight replicates of 25 birds each: C-DDGS (5% DDGS in Starter and 10% in Grower), C-DDGS + Enzyme (C-DDGS diet supplemented with multienzyme), H-DDGS (10% and 20%) + Enzyme (H-DDGS diet supplemented with multienzyme, 10% DDGS in Starter and 20% in Grower), and H-DDGS (15% and 30%) + Enzyme. RESULTS: The C-DDGS + enzyme diet increased (p < 0.05) body weight gain (BWG), reduced the feed conversion ratio, enhanced (p < 0.05) digestibility of dry matter (DM), crude protein, and hemicellulose (HC), and improved (p < 0.05) intestinal villus height and villus: crypt ratio of broilers. The H-DDGS (10% and 20%) + enzyme diet exhibited no difference in (p > 0.05) growth performance, nutrient digestibility (except HC), and intestinal morphological parameters, whereas the H-DDGS (15% and 30%) + enzyme diet decreased (p < 0.05) feed intake and BWG and reduced (p < 0.05) energy and DM digestibility by impact (p < 0.05) intestinal morphology compared with the C-DDGS enzyme-free diet. The H-DDGS diet had lower (p < 0.05) pellet hardness and poorer durability than the C-DDGS diet. CONCLUSION: Supplementing multienzyme in the C-DDGS (5% and 10%) diet improved growth performance from day 0 to 28 and diminished growth performance in the H-DDGS (15% and 30%) diet by influencing intestinal morphology and feed pellet quality in broiler chickens. In addition, when supplemented with multienzyme, the dietary DDGS level can be safely included at levels of 10% in 0-7 days and 20% in 8-28 days of age.
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