DOIAbstract
The application of biologics additives from enzyme, prebiotics and probiotics to improve the feedstuff utilization and animal growth is an aim for safety and hygiene animal products. These additives are gradually replacing the antibiotics. As biotechnology develops to meet animal demand, high bioavailability and low production cost technological products will be novel feed additives, including high production efficiency transformed microorganism and probiotics of transformed enzyme gene or raw material of feedstuff using biotechnology (e.g. fermentation) to enhance nutritive value. However, the availability of these biotechnological products shall be proved by the animal feeding trial.Keywords: Enzyme, feed additives, fermentation, probioti...
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