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Consistent feed quality is a key success factor for the broiler industry. A change in major diet ingredients, e.g. replacing corn with wheat, frequently results in evidently depressed bird performance and wet poultry litter. The key reason for this observation is the nutritive and anti-nutritive values of corn differ significantly from that of wheat (Table 1, Bird 1997 - Enzymes in Poultry and Swine Nutrition).
Tuesday, June 14, 2016
Dr. Lic. Henk Ghesquiere, Impextraco
The benefi t of adding enzymes is determined by their interaction with the concerned substrate present in compound feed under gut conditions. In contrast to phytic acid, dietary fi bre is very complex and diverse in its nature. While for phytase, a single-component product is an accurate choice, a battery of NSP-degrading enzymes is preferred for the wide range of different fi bre fractions.
This experiment was conducted to investigate effects of NSP enzyme on duck growth performance as well as duck diet DM and CP digestibility using Simulative Digestion System. 720 one-day old cherry valley ducks were random assigned into 4 treatment with 6 replicates of 30 each by one factor randomised block design, which were fed diet as followed: PC1 group fed normal duck basal diet, NC group fed diet with lower energy and CP than those in PC1 (reduced 30kcal/kg, 0.25% respectively), PC2 group fed diet with higher energy and CP than those in PC1 ...
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