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Precise nutrient feed for tilapia at different culture stages based on solar term division and feed method of precise nutrient feed

A tilapia and feed technology, applied in fish farming, animal feed, animal feed, etc., can solve the problems of high cost of feed formula and high price of high-protein raw materials

Inactive Publication Date: 2020-09-11
广州市诚一水产科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, feeds with high protein content are used throughout the year, and there is a strong dependence on high-protein raw materials, and the prices of high-protein raw materials are often high, resulting in high feed formulation costs

Method used

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  • Precise nutrient feed for tilapia at different culture stages based on solar term division and feed method of precise nutrient feed
  • Precise nutrient feed for tilapia at different culture stages based on solar term division and feed method of precise nutrient feed
  • Precise nutrient feed for tilapia at different culture stages based on solar term division and feed method of precise nutrient feed

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Precise nutritional feed for tilapia in different breeding stages based on solar terms, including fish feed for overwintering period, fish feed for recovery growth period, fish feed for fattening period, fish feed for high temperature disease period and fish feed for rapid growth period;

[0042] The overwintering period is from the minor cold to the rain period, the recovery growth period is from the rain to the beginning of summer, the fattening period is from the beginning of summer to the summer solstice, the high temperature disease period is from the summer solstice to the mid-autumn period, and the rapid growth period is from the mid-autumn to the minor cold period;

[0043] Fish feed for the winter period includes the following raw materials in parts by mass: 32.5 parts of soybean meal, 30 parts of seeded rapeseed meal, 5 parts of peanut bran, 6 parts of soybean oil, 14.5 parts of corn, 5 parts of flour, 3.45 parts of bentonite, 2 parts of calcium dihydrogen phosp...

Embodiment 2

[0054] Tilapia precision nutrition feed in different cultivation stages based on division of solar terms, the division of cultivation stages is the same as embodiment 1;

[0055] The fish feed in the winter period includes the following raw materials in parts by mass: 32.5 parts of soybean meal, 30 parts of seeded rapeseed meal, 7 parts of peanut bran, 6.8 parts of soybean oil, 14.2 parts of corn, 5 parts of flour, 0.95 parts of bentonite, 2 parts of calcium dihydrogen phosphate, 0.5 part of table salt, 1 part of tilapia premix, and 0.05 part of methionine. When preparing, weigh each raw material according to the corresponding weight, pulverize it, and mix it evenly;

[0056] The fish feed in the recovery growth period includes the following raw materials in parts by mass: 33 parts of soybean meal, 27 parts of seeded rapeseed meal, 7 parts of peanut bran, 6.2 parts of soybean oil, 17.5 parts of corn, 5 parts of flour, 0.74 parts of bentonite, and 2 parts of calcium dihydrogen p...

Embodiment 3

[0066] Tilapia precision nutrition feed in different cultivation stages based on division of solar terms, the division of cultivation stages is the same as embodiment 1;

[0067] Fish feed for the winter period includes the following raw materials in parts by mass: 32.5 parts of soybean meal, 27 parts of seeded rapeseed meal, 9.6 parts of peanut bran, 7.7 parts of soybean oil, 11.63 parts of corn, 8 parts of flour, 2 parts of calcium dihydrogen phosphate, 0.5 part of table salt, 1 part of tilapia premix, 0.07 part of methionine, during preparation, weigh each raw material according to the corresponding weight, pulverize and mix evenly;

[0068] The fish feed in the recovery growth period includes the following raw materials in parts by mass: 36.5 parts of soybean meal, 19 parts of seeded rapeseed meal, 10.5 parts of peanut bran, 7 parts of soybean oil, 17.39 parts of corn, 6 parts of flour, 2 parts of calcium dihydrogen phosphate, and 0.5 part of table salt , 1 part of tilapia...

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Abstract

The invention discloses precision nutrient feed for tilapia at different culture stages based on solar term division and a feeding method of the precise nutrient feed. According to the growth and development characteristics of tilapia, based on the five solar terms of slight cold, rain, summer beginning, summer solstice and mid-autumn, the tilapia culture is divided into 5 stages, namely, an overwinter period, a recovery growth period, a fattening period, a high temperature disease period and a rapid growth period. At each culture stage, the nutritional level required for the growth and development of the tilapia is different, and accordingly, the feed nutrient level and the corresponding feed formula for different culture stages are designed. By use of the precise nutrient feed for the tilapia, the protein deposition rate can be effectively increased, the nitrogen emission can be reduced, the water quality can be guaranteed, diseases can be reduced, the yield can be increased, and thefeed formula cost can be decreased.

Description

technical field [0001] The invention belongs to the field of aquaculture, and in particular relates to precise nutritional feed for tilapia in different cultivation stages based on solar term division and a feeding method thereof. Background technique [0002] Tilapia farming means that the size of tilapia is raised from an average of 7 dynasties (about 1,000 fish / catties) to an average of 1.2 catties / tail for sale. [0003] At present, the protein content of tilapia feed is relatively high, and basically only one feed formula is used throughout the year, but the feeding rate is affected by the climate and there are large differences in different time periods. During the period of high feeding rate (such as July-October in South China), too much feed is put into the water, and fish take in too much protein, resulting in a decrease in feed protein deposition rate, excessive ammonia nitrogen discharge, and water quality deterioration, especially Moderate and high temperature ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/10A23K10/30A23K10/37A23K20/142A23K20/158A23K20/28A23K50/80
CPCA23K10/30A23K10/37A23K20/142A23K20/158A23K20/28A23K50/80A01K61/10Y02P60/60Y02P60/87Y02A40/81Y02A40/818
Inventor 胡云华阳会军
Owner 广州市诚一水产科技有限公司
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