CN102038109A

CN102038109A - Antistress reinforcing agent for large yellow croaker

Info

Publication number: CN102038109A
Application number: CN2010105954130A
Authority: CN
Inventors: 周歧存; 杨锐
Original assignee: Ningbo University
Current assignee: Ningbo University
Priority date: 2010-12-20
Filing date: 2010-12-20
Publication date: 2011-05-04
Anticipated expiration: 2030-12-20
Also published as: CN102038109B

Abstract

The invention discloses an antistress reinforcing agent for large yellow croaker. The antistress reinforcing agent is prepared by uniformly mixing vitamin A, vitamin C-2- single-polyphosphate, vitamin E acetate, astragalus extract, sodium selenite, copper methionine, zinc methionine and glucose serving as raw materials. The dosage of the antistress reinforcing agent in feed is only 0.1-0.2 %, which can remarkably improve the resistance and the environmental stress resistance of the large yellow croaker on pathogenic microorganisms, so that the survival rate of the large yellow croaker in full cycle raising can be improved, the survival rate can be improved by 10 to 16 percent, the average body weight can be improved by over 20 percent, and the raising yield is improved by over 30 percent. Therefore, the invention is the antistress reinforcing agent by which the survival rate can be improved by 10 to 16 percent, the average body weight can be improved by over 20 percent, and the large yellow croaker has high fish quality.

Description

The anti-of large yellow croaker stress reinforcing agent

Technical field

The present invention relates to the feed addictive of large yellow croaker, being specifically related to the anti-of large yellow croaker stress reinforcing agent.

Background technology

Under fish intensive culture condition, the fish of culturing are subject to environmental factor such as temperature, salinity and pH etc., heavy metal, ammonia nitrogen etc. in chemical factor such as the water body, acute variation such as biological factor such as bacterium and the physiological stress reaction that causes, influence breeding, growth, the disease-resistant and survival ability of fish, thereby cause the cultured fishes survival rate lower, the speed of growth is slower, degradation under the quality of the flesh of fish.Therefore need exploitation anti-stress feed addictive, to improve the survival rate of fish, promote the growth of fish, as Chinese patent application number is 200810195618.2, name is called the preparation method of a kind of fish with Antistress agent, disclose with anti-stress glutamine dipeptide and Chinese rhubarb extract, anti-oxidant Vc and glucose, improve the V of immunity _E, replenishing the potassium chloride of potassium and the components such as sodium chloride of additional sodium is raw material, makes through pulverizing, mixing etc., can be applicable in the freshwater fishes such as lithium fish, grass carp and bream, has the free radical of removing fish, improves antifatigue and the anti-stress ability of fish.But do not have at present pair large yellow croaker anti-stress the additive report and use, therefore the rheum officinale fish survival rate of culturing at present is lower, the speed of growth is slower, flesh quality is relatively poor.

Summary of the invention

Technical problem to be solved by this invention provides a kind of survival rate can improve 10～16%, and average weight can improve more than 20%, and the anti-of large yellow croaker stress reinforcing agent preferably for flesh quality.

The present invention solves the problems of the technologies described above the technical scheme that is adopted: the anti-of large yellow croaker stress reinforcing agent, it is characterized in that forming: vitamin A 3～5 by the even mixed preparing of the raw material of following weight component, the single polyphosphate 15～20 of vitamin C-2-, Vitwas E 10～15, Astragalus Root P.E 10～30, sodium selenite 0.1～0.2, copper methionine 3～5, zinc methionine 6～10, glucose 30～50, described Astragalus Root P.E contains astragalus polyose, is 20～25% at astragalus polyose weight content described in the described Astragalus Root P.E.

The anti-of large yellow croaker stress reinforcing agent, it is characterized in that being formed by the even mixed preparing of the raw material of following weight component: vitamin A is 3, the single polyphosphate of vitamin C-2-is 18, Vitwas E is 15, Astragalus Root P.E is 30, and sodium selenite is 0.1, and copper methionine is 3, zinc methionine is 10, and glucose is 30; Or vitamin A is 5, and the single polyphosphate of vitamin C-2-is 20, and Vitwas E is 12, and Astragalus Root P.E is 11, and sodium selenite is 0.2, and copper methionine is 5, and zinc methionine is 8, and glucose is 50.

Vitamin A has the large yellow croaker of raising non-specific immunity, Vitwas E has the effect of the fish immunity of raising power, Astragalus Root P.E have improve large yellow croaker immunity and anti-stress ability, sodium selenite has the large yellow croaker of raising immunity, copper methionine and zinc methionine have improve large yellow croaker immunity and anti-stress ability, single polyphosphate of vitamin C-2-and glucose have antioxidation, can remove the free radical in the large yellow croaker body, improve the large yellow croaker anti-stress ability.

Compared with prior art, the invention has the advantages that the anti-of large yellow croaker stress reinforcing agent, by vitamin A, the single polyphosphate of vitamin C-2-, Vitwas E, Astragalus Root P.E, sodium selenite, copper methionine, zinc methionine and glucose are that the even mixed preparing of raw material forms; Should resist reinforcing agent addition in feed only to be 0.1～0.2%, just significantly improve large yellow croaker to the resistance of pathogenic microorganism and the ability of anti-environment-stress, thereby improve the survival rate of large yellow croaker complete period breed, survival rate can improve 10～16%, average weight can improve more than 20%, and cultured output improves more than 30%.Therefore the present invention is that a kind of survival rate can improve 10～16%, and average weight can improve more than 20%, and the anti-of large yellow croaker stress reinforcing agent preferably for flesh quality.

The specific embodiment

Below in conjunction with embodiment the present invention is described in further detail.

Embodiment 1

The anti-of large yellow croaker stress reinforcing agent, take by weighing 4 kilograms of commercially available vitamin As, 15 kilograms of the single polyphosphates of vitamin C-2-, 10 kilograms of Vitwas Es, 20 kilograms of Astragalus Root P.Es (commercially available: the astragalus polyose weight content is 20～25%), 0.2 kilogram of sodium selenite, 4 kilograms of copper methionines, 6 kilograms of zinc methionines, 45 kilograms of glucose, above-mentioned each raw material is evenly mixed, be prepared into anti-stress reinforcing agent.

Embodiment 2

The anti-of large yellow croaker stress reinforcing agent, substantially the same manner as Example 1, in the different just composition of raw materials: vitamin A is 3 kilograms, the single polyphosphate of vitamin C-2-is 18 kilograms, and Vitwas E is 15 kilograms, and Astragalus Root P.E is 30 kilograms, sodium selenite is 0.1 kilogram, copper methionine is 3 kilograms, and zinc methionine is 10 kilograms, and glucose is 30 kilograms.

Embodiment 3

The anti-of large yellow croaker stress reinforcing agent, substantially the same manner as Example 1, in the different just composition of raw materials: vitamin A is 5 kilograms, the single polyphosphate of vitamin C-2-is 20 kilograms, and Vitwas E is 12 kilograms, and Astragalus Root P.E is 11 kilograms, sodium selenite is 0.2 kilogram, copper methionine is 5 kilograms, and zinc methionine is 8 kilograms, and glucose is 50 kilograms.

The test example

Breed variety: 2000 of 10 gram large yellow croaker fries, Random assignment is four groups (net cage 1, net cage 2, net cage 3 and net cage 4(control groups), 500 every group, every group of 5 repetitions, 500 of every networking case cultured large yellow croakers, it is suitable that initial body weight is respectively organized in experiment;

Cultivating condition: the net cage in environmental factor, chemical factor and the essentially identical same waters of biological factor;

Aquaculture management: other condition is basic identical, be added with 0.1%(weight in the feed of throwing something and feeding for 1 every day of just net cage not) the anti-of the large yellow croaker of embodiment 1 stress reinforcing agent; Being added with 0.1%(weight in the feed that net cage is thrown something and fed for 2 every days) the anti-of the large yellow croaker of embodiment 2 stress reinforcing agent; Being added with 0.1%(weight in the feed that net cage is thrown something and fed for 3 every days) the anti-of the large yellow croaker of embodiment 3 stress reinforcing agent; Not adding the anti-of large yellow croaker in the feed that net cage is thrown something and fed for 4 every days stress reinforcing agent;

The result compares: after culturing March, the large yellow croaker of calculating each net cage survives the bar number, is calculated to be motility rate; Simultaneously all fishes of each net cage are weighed, calculate average weight; Experimental result is as shown in table 1;

Table 1: the large yellow croaker survival rate of each net cage and average weight table

?	Net cage 1	Net cage 2	Net cage 3	Net cage 4
					Survive the bar number	391	379	365	313
Survival rate %	78.1	75.8	73	62.6
					Average weight	42.7	45.3	43.8	35.2

As can be seen from Table 1, net cage 1,2,3 is than the high 10.4-15.5% of survival rate of net cage 4, and average weight is higher more than 20% than net cage 4; Illustrate that the anti-of large yellow croaker of the present invention stress have survival rate that improves large yellow croaker and the advantage of accelerating the large yellow croaker speed of growth by reinforcing agent.

Claims

1. the anti-of large yellow croaker stress reinforcing agent, it is characterized in that forming: vitamin A 3～5 by the even mixed preparing of the raw material of following weight component, the single polyphosphate 15～20 of vitamin C-2-, Vitwas E 10～15, Astragalus Root P.E 10～30, sodium selenite 0.1～0.2, copper methionine 3～5, zinc methionine 6～10, glucose 30～50, described Astragalus Root P.E contains astragalus polyose, is 20～25% at astragalus polyose weight content described in the described Astragalus Root P.E.

2. the anti-of large yellow croaker as claimed in claim 1 stress reinforcing agent, it is characterized in that being formed by the even mixed preparing of the raw material of following weight component: vitamin A is 3, the single polyphosphate of vitamin C-2-is 18, Vitwas E is 15, Astragalus Root P.E is 30, and sodium selenite is 0.1, and copper methionine is 3, zinc methionine is 10, and glucose is 30.

3. the anti-of large yellow croaker as claimed in claim 1 stress reinforcing agent, it is characterized in that being formed by the even mixed preparing of the raw material of following weight component: vitamin A is 5, the single polyphosphate of vitamin C-2-is 20, Vitwas E is 12, Astragalus Root P.E is 11, and sodium selenite is 0.2, and copper methionine is 5, zinc methionine is 8, and glucose is 50.