Disclosed is an application of Trichoderma to a preparation of a feed and/or a preparation for treating or preventing vibrio infection in a shrimp, wherein the feed is dry granules or a fermented feed, and 0.01 grams~200 grams of the Trichoderma is added to each kilogram of the feed, and the bacterial count of the Trichoderma in the feed is from 1*102 cfu/g to 5*1010 cfu/g, and the bacterial count of the Trichoderma in the preparation is from 1*102 cfu/g to 5*1010 cfu/g.一種將木黴菌予以在製備用於治療或預防弧菌感染的蝦的飼料及/或製劑的應用,該飼料係為乾性顆粒的飼料或經發酵的飼料,且每公斤的該飼料中係添加有0.01克~200克的該木黴菌,以及該飼料中的該木黴菌之菌量係為1×102cfu/g~5×1010cfu/g,該製劑中的該木黴菌之菌量係為1×102cfu/g~5×1010cfu/g。無
