Fish feed nutritional formula, use method, application and feed containing the nutritional formula

A carp feed and basic feed technology, which is applied in the feed additive and feed field of freshwater fish, can solve the problems of difficult treatment of fish diseases, worrying about the safety of aquatic products, and reducing the immunity of fish, so as to improve specific and non-specific immunity function, enhance the ability of infection, and improve the effect of immune protection rate

Active Publication Date: 2016-04-27
CHENGDU KEFEI FEED TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, antibiotics and disinfectants are mainly used in production to prevent and treat fish diseases caused by Aeromonas hydrophila, and their long-term use has led to serious consequences: (1) Abuse of antibiotics has resulted in increased resistance of bacteria, making the treatment of fish diseases more difficult Difficult; (2) Disinfectants have large toxic and side effects, strong local irritation, and carcinogenicity, causing severe stress to fish; (3) Destruction of aquaculture water, pollution of the water environment, and reduction of fish immunity; (4) Increased drug residues, aquatic products Worrying about safety, declining quality, endangering human health

Method used

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  • Fish feed nutritional formula, use method, application and feed containing the nutritional formula
  • Fish feed nutritional formula, use method, application and feed containing the nutritional formula

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Take 1.8 parts by weight of arginine, 1.2 parts by weight of isoleucine, 0.48 parts by weight of vitamin K, and 0.12 parts by weight of folic acid, and mix them to prepare feed additive Q1.

[0029] In order to verify the application effect of the present invention, the feed additive of the present invention was tested on carp (with a body weight of about 6 g) in 6 farms in Sichuan, Chongqing and Guangxi. Divide carp equally into two groups: the addition group and the non-addition group. The diet of the addition group is added with the above-mentioned feed additive Q1 according to 1% of the total weight of the fish feed; Fish feed: The two groups of fish were fed 6 times a day, with a daily feeding rate of 5-6%, and the infection experiment was carried out after 53 days of feeding. The addition and non-addition groups were all injected with Aeromonas hydrophila, with 3 repetitions in each group, 40 fish in each repetition, and continuous observation for 7 days. The mort...

Embodiment 2

[0039] Take 2.19 parts by weight of arginine, 1.69 parts by weight of isoleucine, 0.3 parts by weight of vitamin K, and 0.05 parts by weight of folic acid, and mix them to prepare feed additive Q2.

Embodiment 3

[0041]Take 1.27 parts by weight of arginine, 0.95 parts by weight of isoleucine, 0.75 parts by weight of vitamin K, and 0.2 parts by weight of folic acid, and mix them to prepare feed additive Q3.

[0042] In Example 2 and Example 3 above, the addition group and the non-addition group were set up in the same manner as in Example 1 for testing. In embodiment 2, the mortality rate of carp added in the group was lowered by 33% compared with the carp not added in the group, and the immune protection rate was increased by 57%; the head-kidney body index increased by 21%; the spleen body index increased by 29%; the serum IgM content increased by 28%; Increased by 24%; white blood cell phagocytosis rate increased by 31%. In embodiment 3, the death rate of carp added in the group was lowered by 29% compared with the carp not added in the group, and the immune protection rate was increased by 68%; the head-kidney body index was increased by 24%; the spleen body index was increased by 3...

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Abstract

The invention discloses a fish feed additive, an application method, application and a feed containing the additive. The fish feed additive comprises the following components in parts by weight: 1.27-2.19 parts of arginine, 0.95-1.69 parts of isoleucine, 0.3-0.75 part of vitamin K and 0.05-0.2 part of folic acid. According to the invention, by adding the feed additive in the range, the growth and development of the immune organs of fish are promoted, the specific and non-specific immune functions are improved, the capacity of the fish against aeromonas hydrophila infection is enhanced, the immune protection rate is improved, and the death rate under infection is reduced; and moreover, without the substances causing toxic and side effects on the fish body as well as antibiotic substances, the additive avoids pollution and drug resistance.

Description

technical field [0001] The invention belongs to the field of freshwater fish breeding, and in particular relates to a feed additive for freshwater fish, a use method, an application and a feed containing the additive. Background technique [0002] Fish products have high nutritional value, which is very important for improving dietary structure and improving human health. With the increasing awareness of health, consumers have higher and higher requirements for the consumption and quality of fish products. Carp and grass carp are the main freshwater aquaculture fish in my country, accounting for 33-40% of the total fish aquaculture output. However, in recent years, with the continuous increase of breeding density and pollution of the breeding environment, the incidence of various fish diseases has increased sharply, among which bacterial sepsis is one of the serious diseases of carp. [0003] Aeromonas hydrophila is the main pathogenic bacteria of carp epidemic sepsis. Th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23K50/80A23K20/142A23K20/174
Inventor 周小秋冯琳姜维丹姜俊刘扬
Owner CHENGDU KEFEI FEED TECH
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