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Application of Complex Enzymes in Poultry Feed



Application of Complex Enzymes in Corn-Soybean Meal Diets


Corn-soybean meal diet is one of the most widely used feeds in poultry farming. Although it does not contain high levels of non-starch polysaccharides (NSP), adding NSP enzymes and proteases in the corn-soybean meal diet can further improve the digestion efficiency of NSP, reduce the viscosity of chyme in the poultry intestine, effectively reduce the molecular weight of NSP, and significantly improve the daily weight gain of poultry, steadily improving the feed conversion efficiency. In the experiment of adding complex enzymes to the corn-soybean meal diet, the digestion rate of protein improved significantly by more than 2.2%.


Application of Complex Enzymes in Poultry Mixed Meal


To meet the feeding needs of poultry and avoid the high cost of raw materials such as high-protein soybean meal, poultry farms have incorporated mixed meals such as rapeseed meal, cottonseed meal, and peanut meal into their diets. However, the high levels of arabinoxylan and beta-glucan in rapeseed meal and cottonseed meal will affect the nutritional absorption of these mixed meals. If the proportion of mixed meals in the feed formula exceeds 15%, the non-starch polysaccharides in the poultry feed will reach about 15% to 20%, which will affect the poultry's production performance. Relevant experimental studies have shown that adding the complex enzymes producer to mixed meal can ensure the nutritional effect of mixed meal to be balanced with that of soybean meal, making poultry grow more healthily and bringing more economic benefits to farmers.


Application of Complex Enzymes in Poultry Wheat Diet


Wheat contains non-starch polysaccharides, especially high levels of arabinoxylan, so its metabolizable energy (ME) is relatively low. In order to improve the AME and FCR of poultry with low ME, complex enzymes in poultry feed were added to the wheat diet, resulting in an increase of 24% in AME and about 25% in FCR. Studies have shown that the amino acid digestion rate in wheat can increase by about 10% and the AME can increase by about 6% after adding complex enzymes. This result is already close to the effect of feeding with corn. Therefore, adding complex enzymes in wheat can not only effectively reduce the cost of feeding, but also further improve the feeding effect, even surpassing that of corn-soybean meal diet.


Application of Complex Enzymes in Poultry Barley Diet


The use of complex enzymes in barley diet has been extensively studied and has obtained many effective data. Adding composite enzyme preparations to nine different barley diets at a dosage of 0.25 g/kg, it was found that poultry weight gain after consumption reached 12.3%, and feed conversion efficiency increased by 5.5%. Adding composite enzyme to barley diet has also been found to increase poultry's egg production rate by about 3% compared to the control group fed with corn. Studies have shown that adding complex enzymes to barley diet can increase the AME of feed by about 10%, increase the AME in poultry to 12.9 MJ/kg, and increase poultry weight gain rate by about 17%. These conclusions show that adding complex enzymes to barley diet can effectively improve the production performance of poultry and lay a good foundation for improving the economic benefits of farmers.



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