Plant feed additive for improving reproductive performance of breeding cock and preparation method thereof

The invention belongs to the technical field of animal feed additives, and discloses a plant feed additive for improving reproductive performance of breeder cocks and a preparation method thereof. Theplant feed additive is taro. The root and stem part of the raw plant is taken, dried under the environment of less than 40 DEG C without direct sunlight until drying, and then pulverized into powderby a traditional Chinese medicine grinding machine. The plant feed additive is added into the daily feed of the breeding rooster according to the proportion of 1%-3%. Generally, in the process of use,plant feed additives are added to the daily feed of breeder cocks according to the proportion of 2%-3% to treat breeder cocks with poor semen quality. When the semen quality is restored, 1% ~ 2% is added to the daily feed of the breeder cock to prevent the drop of the semen quality of the breeder cock. The invention improves the sperm collection quantity, sperm density, semen quality and hatchingrate of the breeding cock,