WEBEL, DOUGLAS M.,ORR, DONALD E., JR.,RUCH, FRANK E., JR.,LEI, XINGEN
申请号:
CA2465202
公开号:
CA2465202C
申请日:
2002.10.31
申请国别(地区):
CA
年份:
2014
代理人:
摘要:
A method is described for improving the nutritional value of a foodstuffcomprising a source of myo-inositol hexakisphosphate by feeding the foodstuffin combination with a phytase expressed in yeast. The method comprises thestep of feeding the animal the foodstuff in combination with a phytaseexpressed in yeast wherein the phytase can be selected from the groupconsisting of AppA1, AppA2 and a site-directed mutant of AppA. The inventionalso enables reduction of the feed to weight gain ratio and an increase bonemass and mineral content of an animal. A foodstuff and a feed additivecomprising AppA2 or a site-directed mutant of AppA are also described.