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Method using drinking water to enrich and produce selenium-rich eggs

A technology for selenium-enriched eggs and egg production rate, applied in applications, animal feed, animal feed, etc., can solve the problems of insufficient selenium nutrition fortification, high content, high technical cost, etc.

Inactive Publication Date: 2013-06-05
张德兴
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Feeding organic selenium source feed to produce selenium-enriched eggs is an ideal and safe production technology, but because of feeding another organic selenium source production product as feed, the technical cost is high; direct use of inorganic selenium source as feed trace elements for laying hens Nutrient additives, as standard laying hen feed, are not enough to meet the selenium nutritional fortification requirements of selenium-enriched egg production; while direct feeding of inorganic selenium as selenium nutritional enhancer for laying hens is because of its high content, high toxicity, and safe feeding. Feeding dosage and feeding method become the main technical barriers

Method used

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  • Method using drinking water to enrich and produce selenium-rich eggs

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Embodiment 1

[0022] Free-range Hailan brown layer hens were fed nutritious drinking water containing selenium in the first week of laying. In the first week of laying, a step-by-step gradual increase in supplementation was adopted: the feeding concentration on the first day was 0.3125 μg / mL, and the feeding concentration on the third day The daily feeding concentration was 0.625 μg / mL, the feeding concentration on the 5th day was 0.9375 μg / mL, and the feeding concentration on the 7th day was 1.25 μg / mL. The concentrations were all 1.25 μg / mL.

[0023] When the egg production rate reaches 50%, the selenium fortified feeding is gradually stopped. The feeding concentration on the first day is 0.9375 μg / mL, the feeding concentration on the third day is 0.625, the feeding concentration on the fifth day is 0.3125, and the feeding concentration on the seventh day is 0.9375 μg / mL. Stop feeding selenium nutrient-fortified water; after that, continue to feed with regular drinking water.

[0024] In...

Embodiment 2

[0027] Conventional ladder-type layer cages were used to feed 4 Hai-Line brown layer hens. They were divided into 3 groups and fed with different concentrations of selenium nutrient water as a comparative experiment. Each group was fed with 10 cages. In the first week of production, feed selenium-containing nutrient drinking water. The selenium nutrient drinking water is an aqueous solution of sodium selenite. μg / mL; the preparation of selenium nutritional drinking water and the feeding method also adopted Example 1, and the feed and other management conditions were the same as those of conventional feeding. The selenium content in the eggs was sampled and analyzed at the 1st, 5th, 8th, and 12th weeks after feeding, and the results are shown in Table 1:

[0028]

[0029] Same as above, the result is in line with the local standard of Hubei Province on selenium-rich food (DB42 / 211-2002) selenium-rich content of eggs (≥0.2mg / kg), Ankang local standard of selenium-rich food se...

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Abstract

The invention discloses the technology which carries out selenium nutrient enrichment on laying hens through adding of drinking water with specific content sodium selenite to produce the selenium-rich eggs. The method is used for carrying out nutrient enrichment with safety micro dose and safety uniform controllable dose of inorganic selenium through a drinking water mode on the laying hens so as to achieve the production technology which can stably and continuously raise the laying hens and produce the selenium-rich eggs. The method explores safety enriched micro dose which is suitable for long-term drinking of the laying hens, and matches with the technology which is capable of flexibility mixing and providing selenium-rich enriched water for the laying hens to freely drink according to the physicochemical characteristics that the inorganic selenium is high in selenium content, highly toxic, strong in water-solubility and good in stability. Therefore, the method is well-adapted, safe in use, flexible, convenient and fast, low in cost and easy to popularize.

Description

technical field [0001] The technology relates to a technical method for enhancing selenium nutrition of laying hens through drinking water and producing selenium-enriched eggs. Background technique [0002] "Selenium" is an essential micronutrient element for the nutritional metabolism of organic organisms, and has an important functional role in maintaining human health. A large number of studies have reported that nearly 70% of my country's arable land is located in areas where available selenium resources in the soil are deficient, resulting in the lack of selenium in natural foods for normal metabolism. Nearly 67% of the population is generally deficient in selenium. Using biological metabolic pathways to convert artificially added inorganic selenium sources into organic selenium agricultural and animal husbandry products enriched by biological carriers has become an important way to develop selenium-enriched food resources. At present, among the selenium-enriched nutr...

Claims

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Application Information

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IPC IPC(8): A01K67/02A23K1/18A23K1/16
Inventor 张德兴
Owner 张德兴
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