CN1736242A

CN1736242A - Compound phagostimulant for Chinese shrimp

Info

Publication number: CN1736242A
Application number: CNA200510044648XA
Authority: CN
Inventors: 张文兵; 麦康森; 谭北平; 艾庆辉; 徐玮; 刘付志国; 马洪明; 王小洁
Original assignee: Ocean University of China
Current assignee: Ocean University of China
Priority date: 2005-09-02
Filing date: 2005-09-02
Publication date: 2006-02-22
Anticipated expiration: 2025-09-02
Also published as: CN100334967C

Abstract

The invention relates to a compound phagostimulant for Chinese shrimps, which comprises dimethyl-beta-propanoic thetine, taurine, glycine, sodium citrate, alanine and glutaminic acid by the weight ratio of 25-35, 15-25, 15-25, 5-15, 5-15 and 5-15.

Description

A kind of Chinese prawn composite feeding promoting agent

Technical field

The present invention relates to a kind of additive that can be used for the Chinese prawn feed, particularly relate to a kind of Chinese prawn composite feeding promoting agent.

Background technology

In recent years, along with the increase year by year of China's aquaculture output, the output of aquatic feeds far can not satisfy the demand in market.At present, the market space of China's aquatic feeds is more than 1,000 ten thousand tons.How also essential consideration reduces the cost of feed when improving aquatic feeds output, with the acquisition maximum economic benefits.Protein is the main nutrient matter in the feed, also is the key factor of decision feed cost.The aquiculture animal great majority require that all higher protein content is arranged in feed, also special simultaneously animal protein source---the fish meal that relies on, and this has just improved the cost of aquiculture animal feed greatly.Especially fish meal worldwide will be a kind of more and more resource of shortage forever.Therefore, people attempt to utilize the vegetable protein of less expensive partly or entirely to substitute animal protein, with this feed of preparing aquiculture animal, reach the purpose that reduces cost, increases economic efficiency.But, the many animal proteins of vegetable protein in can only a spot of alternative feed that studies show that, and tend to cause that with such feed cultivated animals food ration minimizing, conversion ratio reduction, poor growth, body form problems such as abnormal change takes place.One of them chief reason is exactly: low fish-meal or non-fish-meal have influenced the palatability and the food ration of cultivated animals, thereby influence its speed of growth.

Chinese prawn (Fenneropenaeus chinensis) belongs to wide salt, eurythermic shrimps, mainly is distributed in the Huanghai Sea, sea area, the Bohai Sea, originates in Shandong, Hebei, Liaoning and coastal waters, Tianjin.Chinese prawn has that body is big, shell is thin and the characteristics such as fast of growing, and is that China cultures one of the most extensive, that output is higher prawn kind at present, and is simultaneously also well received in the international market.Chinese prawn reaches 45% to the protein requirement amount in the feed, and this requires to add the fish meal of high level in feed.So, substitute fish meal expensive in the feed with plant protein source, be the effective way that reduces the Chinese prawn feed cost.For problems such as the palatability difference that solves low fish-meal or non-fish-meal and the minimizings of Chinese prawn food ration, the efficient phagostimulant of exploitation Chinese prawn special use is to be badly in need of the work carried out.

At present, aquatic animal phagostimulant mainly contains TMAO, betaine, amino acid and some vegeto-animal extracts.Often composition is single for more existing phagostimulant products, and specific aim is not strong, and the food calling effect is undesirable, does not more have a kind of phagostimulant at Chinese prawn.

Summary of the invention

The purpose of this invention is to provide a kind of Chinese prawn composite feeding promoting agent, it can promote Chinese prawn to ingest, and improves its grazing rate and growth rate, reduces Chinese prawn production of fodder cost, keeps the sustainable development of Chinese prawn aquaculture.

A kind of Chinese prawn composite feeding promoting agent is characterized in that being made up of dimethyl-β-DMPT, Taurine, glycine, natrium citricum, alanine and glutamic acid, and their percetage by weight scope is respectively: 25-35; 15-25; 15-25,5-15,5-15 and 5-15.

The present invention has following advantage: use in the Chinese prawn feed as feed addictive, addition is only ingested for 1-2 ‰ just obviously promotes Chinese prawn, reduces feed coefficient, promotes growth, reduces residual bait, helps protecting environment.In addition, raw materials used steady sources, cheap, production technology is simple.

The specific embodiment

Take by weighing dimethyl-β-DMPT 3.5kg, Taurine 2.5kg, glycine 1.5kg, natrium citricum 1.0kg, alanine 0.5kg and glutamic acid 1.0kg respectively; these six kinds of compositions are worn into fine powder; in mixer, mix (requiring the coefficient of variation≤5%) then, be a kind of Chinese prawn composite feeding promoting agent of the present invention.

Is primary raw material with many ore deposits and prawn with multidimensional with fish meal, dregs of beans, peanut meal, shrimp shell meal, sea-tangle powder, fish oil, prawn, prepare 3 kinds of Chinese prawn artifical compound feeds (seeing table 1 for details): feed 1# is not for adding the blank group of Chinese prawn with composite feeding promoting agent, the addition of its fish meal, dregs of beans and peanut meal is respectively 30% (percetage by weight, down together), 12.15% and 9%; Feed 2# has added 0.1% the Chinese prawn processed group with composite feeding promoting agent, and the addition of its fish meal, dregs of beans and peanut meal is respectively 25%, 10.05% and 16%, and the addition of other composition and 1# feed is identical in the feed; Feed 3# is the phagostimulant control group, compare with the 2# feed, its unique different be not add the Chinese prawn composite feeding promoting agent.Select the same a collection of Chinese prawn of artificial incubation then for use, body is about about 5cm, uses prawn as test.After the raising and train of 2 weeks, pick out the Chinese prawn physically fit, that specification is consistent and carry out group experiment.Being divided into is 3 groups, every group establish 3 parallel, each is parallel to be the Glass fibre reinforced plastic tub of 1 400L, puts 50 tails tests in a suitable place to breed and uses prawn, throw something and feed respectively 1#, 2# and 3# test feed.Seawater is through sand filtration, with the flow velocity exchange of 20L/h, inflation.By a definite date in 50 days the culture experiment, dissolved oxygen is at 7.4～8.1mg/L, pH8.0～8.2, salinity 30～31,21～26 ℃ of water temperatures.Respectively threw something and fed once at 08: 30 and 15: 30 every day respectively, daily ration, feeding quantity be shrimp heavy 6%, remove residual bait and excreta every day.Survey its body weight respectively when on-test and end, calculate rate of body weight gain, growth rate and survival rate respectively.

Table 1: test feed prescription

Composition	Feed 1#	Feed 2#	Feed 3#
Composition	Feed 1#	Feed 2#	Feed 3#	Fish meal shrimp shell meal squid viscera powder brewer's yeast dregs of beans peanut meal Strong flour wheat germ powder Kelp Powder lecithin fish oil shrimp mineral shrimp vitamin choline mould inhibitor antioxidant phagostimulant of the present invention	30 6 5 5 12.15 9 20 2 1.5 1.5 3 2.5 2 0.2 0.1 0.05 0	25 6 5 5 10.05 16 20 2 1.5 1.5 3 2.5 2 0.2 0.1 0.05 0.1	25 6 3 3 10.05 16 20 2 1.5 1.5 3 2.5 2 0.2 0.1 0.05 0

Result of the test shows: the rate of body weight gain of 1# and 2# feed is respectively 220.5% and 222.3%; Growth rate is respectively 49.6% and 50.1%; Survival rate is respectively 75.3% and 73.2%.From result of the test, rate of body weight gain, growth rate and survival rate do not have significant difference between 1# feed and 2# feed.Yet the rate of body weight gain of 3# feed, growth rate and survival rate are respectively 203.6%, 46.6% and 66.7%, all significantly are lower than 1# and 2# feed.This shows, reduce by 5% fish meal consumption under the situation of phagostimulant of the present invention adding in the feed, rate of body weight gain, growth rate and the survival rate of Chinese prawn had no adverse effect.And at the fish meal consumption that reduces 5%, do not add again under the situation of phagostimulant of the present invention simultaneously, the rate of body weight gain of Chinese prawn, growth rate and survival rate all significantly reduce.

On the basis of above-mentioned test, carried out culture experiment again 2 times, the prescription of phagostimulant is respectively: (1) dimethyl-β-DMPT 3.0kg, Taurine 1.5kg, glycine 2.5kg, natrium citricum 1.5kg, alanine 0.5kg and glutamic acid 1.0kg;

(2) dimethyl-β-DMPT 3.5kg, Taurine 2.0kg, glycine 2.5kg, natrium citricum 1.0kg, alanine 0.5kg and glutamic acid 0.5kg.This culture experiment result of 2 times and primary similar promptly reduces by 5% fish meal consumption adding in the feed under the situation of phagostimulant of the present invention, rate of body weight gain, growth rate and the survival rate of Chinese prawn had no adverse effect.And at the fish meal consumption that reduces 5%, do not add again under the situation of phagostimulant of the present invention simultaneously, the rate of body weight gain of Chinese prawn, growth rate and survival rate all significantly reduce.

This shows that it is fully feasible that the Chinese prawn of minute quantity substitutes 5% fish meal with composite feeding promoting agent under experimental condition.

Claims

1, a kind of Chinese prawn composite feeding promoting agent is characterized in that being made up of dimethyl-β-DMPT, Taurine, glycine, natrium citricum, alanine and glutamic acid, and their percetage by weight scope is respectively: 25-35; 15-25; 15-25,5-15,5-15 and 5-15.