4 results about "Grass carp" patented technology

The invention relates to bait special for trapping grass carps, belonging to special bait for fishing. The bait special for trapping grass carps comprises the following materials: 10g of Naoyang flowers, 2 quick-effective diazepam tablets, 8 digestant tablets, 10g of fishy spice, 1g of elecampane and approximate 50g of cabbage leaf. The quick-effective diazepam tablets, the digestant tablets and the fishy spice are respectively ground into powder; the Naoyang flowers and the elecampane are subsequently ground into powder; the cabbage leaf is necessary to be fresh and is cut into sections of 5 cm, the quick-effective diazepam tablets and the fishy spice are together put into the middle of the cabbage leaf, and the elecampane, the digestant tablets and the Naoyang flowers are covered on the quick-effective diazepam tablets and the fishy spice; then, the cabbage leaf with the traditional Chinese medicinal herbs are coiled into the shape of a round tube so as to wrap the traditional Chinese medicinal herbs inside; both ends of the round tube are bound tightly by threads and exposed, the unbound cabbage leaf is lightly moved to form a flower shape, and thus the bait is finished. The bait special for trapping grass carps has sweet heavy fishy odor which is particularly heavy in water so as to trap fishes rapidly gathering after smelling the odor and fish a great amount of grass carps during pit-digging fishing.

The invention discloses a composition for preventing and treating gill rot, enteritis and red skin disease of grass carps, and relates to the technical field of aquaculture. The composition is prepared from the following raw material medicines in parts by weight: 10 parts of rheum rhabarbarum, 10 parts of parslane herb, 10 parts of amur corktree bark, 10 parts of baikal skullcap root, 12 parts of toad venom, 8 parts of honeysuckle flower, 8 parts of fresh ginger and 15 parts of liquorice root; and the composition is prepared by grinding the raw material medicines into powder and mixing. The composition disclosed by the invention has the beneficial effects that the composition has significant effects on prevention and treatment of bacterial 'three old diseases' such as gill-rot, enteritis and red skin disease of the grass carps, is simple in use method, is convenient to administrate medicines into ponds, and is high in cure rate and rapid in recovery; pathogenic bacteria cannot have medicine resistance to the composition, and the environmental pollution cannot be caused to an aquaculture water body; and the composition is cheap in medicine and low in treatment cost.

The invention relates to the field of grass carp breeding, in particular to a special feed for factory-like circulating water short-term grass carp breeding and a preparation method. The feed is prepared from the following raw materials in parts by weight: 10-50 parts of inosinic acid, 5-15 parts of L-carnitine, 25-75 parts of vitamin E, 10-30 parts of astaxanthin, 50-200 parts of conjugated linoleic acid and 630-900 parts of rice flour. The special feed has the beneficial effects that grass carps bred by the special feed prepared from the inosinic acid, the L-carnitine, the vitamin E, the astaxanthin, the rice flour and the conjugated linoleic acid according to a specific proportion are superior to grass carps bred by the conventional feed in the aspects of body shapes, muscle freshness, hardness and smell.