Patent ID: 6319525
Filing Date: 2001-11-20
Classification: A23K,Y10S

Abstract:
A ruminant feed ration for a ruminant, the ration comprising:a plurality of natural or synthetic feed ingredients which comprises one or more grains;a hydroxy analog of methionine selected from the group consisting of 2-hydroxy-4-(methylthio)butanoic acid, ammonium salts of 2-hydroxy-4-(methylthio)butanoic acid, alkaline earth salts of 2-hydroxy-4-(methylthio)butanoic acid, alkali earth salts of 2-hydroxy-4-(methylthio)butanoic acid, zinc salts of 2-hydroxy-4-(methylthio)butanoic acid, alkane esters of 2-hydroxy-4-(methylthio)butanoic acid, alkane amides of 2-hydroxy-4-(methylthio)butanoic acid, and oligimers of 2-hydroxy-4-(methylthio)butanoic acid, and, optionally a bypass fat;wherein the amount of hydroxy analog of methionine is included within the ruminant feed ration at a level determined to be necessary to meet the methionine requirements of the ruminant, said methionine requirements being determined from the nutritional content of the ingredients other than the hydroxy analog of methionine and on the basis that at least 20% of the hydroxy analog of methionine is assumed to be available for absorption by the ruminant.