Method for selecting strain of omnivorous largemouth bass

The invention discloses a strain selection method for omnivorous micropterus salmoides, and relates to an aquatic product variety improvement technology. Putting the newly hatched largemouth black perch fry into the fry culture pond for culture; during screening, semi-starvation feeding is conducted on the to-be-selected individuals, so that the to-be-selected individuals with stubborn carnivorous properties can eat other to-be-selected individuals; to-be-selected individuals with stubborn carnivorous properties are screened out; feeding the to-be-selected individuals which are not screened out with synthetic feed until all the to-be-selected individuals grow into adult fishes; the adult fish is used as a parent for cultivation and breeding, so that a new generation of largemouth black perch fry is obtained; taking the obtained largemouth black perch fries as new fries, and repeating the breeding and screening mode for at least two times; and taking the largemouth bass fry obtained at the last time as target