75 results about "Weight growth" patented technology

The invention discloses a livestock feed additive, in particular a broiler chicken feed additive and a preparation method thereof. The broiler chicken feed additive is characterized by being prepared from hawthorn, malt, medicated leaven, root of straight ladybell, fragrant solomonseal rhizome, Codonopsis pilosula, Chinese angelica, tangerine peel, astragalus, ginger and Chinese date. The broiler chicken feed additive prepared by the method is used for promoting the growth and development of broiler chickens. The hawthorn has the effects of promoting digestion and relieving stasis; the malt has the effect of promoting digestion and regulating the middle warmer; the medicated leaven serving as the main medicament has the effects of promoting digestion and removing food retention; the root of straight ladybell has the effect of nourishing the stomach to improve the production of body fluid; the fragrant solomonseal rhizome serving as an auxiliary medicament has the effect of nourishing yin to moisten dryness and helping to produce saliva and slake thirst; the Codonopsis pilosula has the effect of replenishing qi to invigorate the spleen; the Chinese angelica has the effect of enriching the blood; the tangerine peel can enliven the spleen by regulating vital energy and alleviating middle energizer; the astragalus serving as an assistant medicament can tonify middle-Jiao and Qi; and the ginger and Chinese date, which serve as guide medicaments, can tonify the spleen and appetize. The broiler chicken feed additive can promote feed intake and percentage of weight growth of broiler chickens, reduce feed-to-meat ratio and improve breeding economic benefit. The additive is prepared from pure traditional Chinese medicine extracts and is free medicinal residual and safe and reliable.

The invention provides a piglet feed. The piglet feed comprises the following components in percentage by weight: 20 to 40 percent of expanded corn, 4 to 10 percent of expanded bean pulp, and 5 to 12 percent of enzymolyzed bean pulp. The invention also provides a method for preparing the piglet feed. The formula of the piglet feed is reasonable; and the expanded corn, the expanded bean pulp and the enzymolyzed bean pulp which are added can effectively improve the digestive function of intestines and stomachs of piglets, eliminate various antinutritional factors, ensure that the piglets ingestbalanced nutrition, improve the digestive efficiency of the intestines and stomachs and the weight growth rate of the piglets, reduce the diarrhea rate of the piglets, and improve the growth quality of the piglets.

The invention discloses a south high moisture and hot region beef cattle rapid fattening culture method comprising four stages: beef cattle rapid fattening early stage preparation; beef cattle rapid fattening adaptation stage; beef cattle rapid fattening transition period; beef cattle rapid fattening later stage; the method also comprises a beef cattle cooling process, a beef cattle dermatopathy prevention process and a beef cattle enterogastritis prevention process. The method employs store cattle of 12-18 months, preferably uses castrated bulls, and the poise characteristics comprise the following: 300-400kg body weight, healthy growth, big physique, strong arms and legs, and anosis. The beef cattle cultured by the method can have fullness body muscles after fattening, the fur is bright, and average daily weight growth is obvious.

The invention relates to a method for mixed culturing of swimming crabs and palaemon carinicauda. The method belongs to the technical field of fishery industry and is characterized by comprising the following steps of (1) clearing up a pond; (3) putting swimming crab seedlings in mid-to-end of May, selecting III-period baby crabs cultivated in a soil pool, putting 1-1.5kg per mu, in the end of June, putting 1-2kg of lively-swimming egg-carried shrimps per mu, and planting submerged plant water caltrop in the bottom part of the pond for improving water quality; (4) replacing 70-80 percent of water at every 5-7 days, sterilizing in time after water replacement, and putting water quality modifying agent for one time at the second day; (5) feeding crab and shrimp mixed feed, and then feeding according to the conventional mixed culturing method of the swimming crabs and palaemon carinicauda. According to the method for the mixed culturing of the swimming crabs and the palaemon carinicauda, the nutrition is balanced, the daily demands of the swimming crabs and palaemon carinicauda can be met, the feed efficiency is high, the survival rate of the swimming crabs and palaemon carinicauda is high, the ponderal growth is quick, the immunity of crab bodies can be remarkably enhanced, and the capabilities of antibiosis and antiviral of the crab bodies are improved.

The invention discloses a vitamin feed and an additive for improving the immunity of young Procambarus clarkii, belonging to the technical field of aquaculture. The vitamin feed for improving the immunity of Procambarus clarkii juveniles contains the following components by mass percentage: 10-30% wheat flour, 10-20% corn flour, 1-2% minerals, 10-30% fish meal, soybeans powder 30-50%, fish oil 1-3%, vitamin A? 0.0048-0.0060%, vitamin C? 0.02-0.08%, Vitamin E? 0.02-0.06%, the balance is dextrin. The vitamin feed additive for improving the immunity of juvenile Procambarus clarkii contains vitamin A, vitamin C and vitamin E. The feed and the additive of the invention can improve the survival rate, weight growth rate and phenol oxidase activity in the gills of the juvenile Procambarus clarkii, reduce the MDA content and SOD activity in the shrimp hepatopancreas, and improve its immunity.