3 results about "Channa argus" patented technology

The invention discloses a method for preventing and treating ichthyophthiriasis of industrially cultured snakehead fries, which belongs to the technical field of snakehead culture and comprises the following steps: completely catching snakehead fries infected with ichthyophthiriasis in a culture pond, and transferring the snakehead fries into a biological bait culture pond for isolated culture; transferring the snakeheads subjected to isolated culture to a culture pond, and raising the salinity of the culture pond for culture; in the same period of culturing in the culture pond, the composite Chinese herbal medicine preparation is splashed into the culture pond to conduct soaking treatment on the snakeheads; after treatment is finished, in daily culture in a culture pond, a red-knees herb decoction water solution is splashed into the culture pond to consolidate the treatment effect of the snakehead and prevent the snakehead. Through the synergistic effect of sick fish isolation, salinity regulation and control and red-knees herb treatment, the survival rate and quality of fish culture are remarkably improved, the culture yield is increased, economic benefits are improved, ecological benefits are improved, and powerful support is provided for green development of factory fish culture.

The application belongs to the technical field of biomedicine, and discloses a method for constructing a Channa argus bile stasis model. The application discloses application of rifampicin or a pharmaceutically acceptable salt thereof in construction of a fish liver injury model. The application discloses, for the first time, that the antibiotic rifampicin widely used in aquaculture is used to construct a fish liver injury model. The model is closer to the real scene of the use of a large amount of drugs when bacterial diseases break out in production practice. The injury type of the fish liver injury model is clearly directed to bile stasis, which fills the research blank of the disease model of the fish, and is different from common hepatocyte necrosis or fatty liver models.

The present application relates to a kind of preparation method and application of feed additive for preventing channa maculata deformity, belong to the technical field of feed additive.The present application is mixed, sliced, dried, ground, sieved sequentially to radix astragali, red peony root, salvia miltiorrhiza and bupleurum, to obtain a kind of powder Chinese herbal medicine mixture, then it is added to the water boiling liquid obtained after heating water boiling of pericarpium citri reticulatae, yellowflower and white cardamom by deionized water, and is stirred and mixed, and the bait composed of amino acid, betaine, dimethyl-beta-propionic acid thiothymidine, earthworm powder and plant extract is compounded by temperature rising, finally a kind of feed additive is prepared by high-temperature drying, so that when it is added to channa maculata feed and applied to the daily feeding of channa maculata, on the one hand, it can have excellent effect of preventing channa maculata deformity, on the other hand, it will not adversely affect the taste and palatability of channa maculata feed itself, on the contrary, it can improve the appetite of channa maculata, and the effect of growth and development is better.