Method for breeding GIFT, oreochromis niloticus

A technology of Nile tilapia and breeding method, which is applied to the breeding field of Nile tilapia of Jifu strain, can solve the problems such as no research, and achieve the effects of reducing feeding amount, good quality and good physiological performance.

Inactive Publication Date: 2014-11-19
GUANGXI ACADEMY OF FISHERY SCI
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

However, there is no research on the growth method of tilapia under food restriction level in the prior art

Method used

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  • Method for breeding GIFT, oreochromis niloticus
  • Method for breeding GIFT, oreochromis niloticus
  • Method for breeding GIFT, oreochromis niloticus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A kind of breeding method of rich strain Nile tilapia: choose 400 tails of healthy rich strain Nile tilapia (National Level Tilapia Fine Breeding Farm in Nanning, Guangxi), temporarily raise in white PVC bucket, treat that it adapts to environment, After growing normally, 240 tails (about 39g) were selected at random, and they were fed with feed. points and 16 points; the feeding conditions are: water temperature 34±0.2°C, pH value 7.6±0.5, dissolved oxygen (6.3±0.5) mg / L, ammonia nitrogen content less than 0.1 mg / L; breeding for 45 days.

[0023] The feed is tilapia extruded compound feed produced by Guangxi Nanning Baiyang Feed Group Co., Ltd., and its nutritional components are shown in Table 2:

[0024] Table 2 Nutrient composition and content of feed

[0025]

Embodiment 2-4

[0027] The feeding amount of the feed is 2%, 2.5%, 3% of the tilapia body weight, and the rest are the same as in Example 1.

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Abstract

The invention discloses a method for breeding GIFT, oreochromis niloticus. The breeding method includes the steps that fodder is fed to the GIFT, oreochromis niloticus, the throwing amount of the fodder is 1.5%-3% the body weight of the oreochromis niloticus, and the throwing frequency of the fodder is twice a day; according to the breeding conditions, the water temperature is 30-40 DEG C, the pH value is 7.2-7.8, the dissolved oxygen content is 6-7 mg/L, and the ammonia nitrogen content is smaller than 0.1 mg/L. By the adoption of the breeding method, the fodder throwing amount of the GIFT, oreochromis niloticus can be reduced, meanwhile, the quality of the fed GIFT, oreochromis niloticus is good, and the physiological property is good.

Description

technical field [0001] The invention relates to a culture method of the Gifu strain Nile tilapia. Background technique [0002] In natural or aquaculture ecosystems, fish are often undernourished for a period of time due to the influence of bait base, bait quality, and different feeding rates at a certain stage of their life cycle. The growth performance of fish in this state will be affected to a certain extent. Traditionally, the evaluation of the growth performance of aquatic animals is mainly based on the weight gain rate, body length growth rate and specific growth rate based on the external shape of aquatic animals. , cannot make a comprehensive evaluation of their health and nutritional status. Studies at home and abroad have shown that some enzymes, growth factors, RNA / DNA ratio, etc. can reflect the growth performance of fish. In comparison, there are few studies on the relationship between hematology and growth in aquatic animals. The blood of fish is closely re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 郭忠宝罗永巨肖俊甘西杨弘张升利吴铁军梁军能钟欢唐瞻杨陈文治严欣
Owner GUANGXI ACADEMY OF FISHERY SCI
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