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Enhancing Swine Feed Phytate Content with Phytase for Better Phosphorus Absorption

Learn how to improve phosphorus absorption in swine with phytase-enhanced feed. Discover the phytate content in major swine feeds and foodstuffs, the role of phytase in reducing phytate, and how the Enviropig™ utilizes phytase. Adapted data from Nelson et al. (Poultry Sci. 47:1372 '68).

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Enhancing Swine Feed Phytate Content with Phytase for Better Phosphorus Absorption

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  1. Phytate P content of Major Swine Feeds Foodstuff Total P(%) Phytate (% of Total P) Barley 0.34 56 Corn 0.26 66 Wheat 0.30 67 Soybean meal 0.61 61 Cottonseed meal 1.07 70 Sesame meal 1.27 81 Wheat bran 1.37 70 Adapted from Nelson et al. Poultry Sci. 47:1372 ‘68

  2. + + O Ca O O = - + -Protein O-C-CH = - O O = - O P O Ca P 2 Starch + O O O OH OH = - O O P Protein + - O OH H H Mg H O CH + H H 2 - = - O O P + 6 H O + 6 H PO + NH H 3 H 4 H 2 O O H 3 OH Phytase - + = - O O P O H O OH H Protein = - O O Inositol P Starch Phytate O H Minerals CH 0H 2 Starch Action of Phytase

  3. How the EnviropigTM Works Phytase produced in the salivary glands and secreted in the saliva Pancreas Cecum Liver Stomach Indigestible Phytate phosphorus in the diet Manure low in Phosphorus Duodenum Phytase Small Intestine Colon PHOSPHATE ABSORPTION Phosphate Phytate Phytate in a non-Transgenic pig Phytate in the Enviropig

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