Feed additive for enhancing immunity of bullfrogs and preparation method of feed additive

Abstract

The invention discloses a feed additive for enhancing the immunity of bullfrogs. The feed additive is prepared from the following raw materials in parts by weight: 68 to 108 parts of echinacea purpurea, 65 to 95 parts of poplar flower, 65 to 95 parts of radix acanthopanacis senticosi, 60 to 80 parts of fructus ligustri lucidi, 60 to 80 parts of folium mori, 15 to 25 parts of liquorice root, 55 to85 parts of pseudo-ginseng leaf, 55 to 85 parts of dendrobium officinale kimura ex migo, 55 to 85 parts of radix millettiae speciosae, 55 to 85 parts of compositae gnaphalium affine, 40 to 70 parts ofherba taraxaci, 40 to 70 parts of centella asiatica, 25 to 55 parts of herba houttuyniae, 25 to 45 parts of radix achyranthis bidentatae, 25 to 45 parts of rhizoma belamcandae and 25 to 45 parts of rhizoma polygoni cuspidati. The feed additive provided by the invention is made of pure natural raw materials and does not contain harmful substances including any antibiotic; the raw materials are scientifically and reasonably matched, so that nutrients of the additive are enriched and the raw materials have a synergetic effect; after the bullfrogs eat the feed additive, the feed additive has theeffects of enhancing the immunity and preventing diseases from occurring.

Description

technical field [0001] The invention belongs to the technical field of feed additives, in particular to a feed additive for enhancing immunity of bullfrogs and a preparation method thereof. Background technique [0002] Bullfrogs (Ranacatesbeiana Shaw) belong to the subphylum Vertebrate, Amphibians, Anura, Ranaidae, and Ranainae. The origin of the bullfrog is the swamp area of ​​the Rocky Mountains in North America. It is a large edible frog, second only to the forest brook frog in frogs. It is known as the "bullfrog" because of its sound that sounds like a cow's cry. Its meat is plump and delicious. It is a high-protein, low-fat and low-cholesterol wild game delicacy. In 1959, my country introduced bullfrog domestication, and in 1986, it was raised in large quantities in central and southern my country. [0003] With the continuous expansion of bullfrog breeding scale in recent years, the continuous increase of breeding density, and the pollution of the breeding environm...

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Problems solved by technology

[0003] With the continuous expansion of bullfrog breeding scale in recent years, the continuous increase of breeding density, and the pollution of the breeding environment, the incidence of various bullfrog diseases has increased sharply. In order to prevent the outbreak of bullfrog diseases, antibiotics and other harmful substances are mainly used in production to control bullfrogs. Disease, because of its long-term use has led to serious consequences: the abuse of antibiotics has increased the resistance of bacteria, making it more difficult to treat bullfrog disease; destroying the aquaculture water body, polluting the water environment, and reducing the immunity of fish; the increase in drug residues, the safety of aquatic products is worrying, Decline in quality, endangering human health

However, due to the high stocking density and uncontrollable weather and environmental factors, large-scale breeding often cannot avoid the occurrence of diseases in the process of bullfrog breeding. necessary

[0004] Although antibiotics widely used at present can solve temporary worries, long-term use is prone to drug resistance. Antibiotic residues cause food safety problems, affect the health of consumers, and also cause continuous epidemics all year round, and pathogens appear clinically. Diversified, complex diseases, causing major economic losses

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