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A compound additive for improving eggshell quality of aged eggs and its application

A technology of compound additives and egg shells, applied in the direction of application, additional food elements, animal feed, etc., can solve problems such as environmental pollution and increased costs, and achieve the effects of reducing economic losses, saving costs, and reducing the thickness and width of mastoids

Active Publication Date: 2020-03-10
FEED RESEARCH INSTITUTE CHINESE ACADEMY OF AGRICULTURAL SCIENCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these nutritional measures to improve the quality of eggshells often appear "too little is useless, too much is too much" in the implementation process, which not only increases the cost, but also causes environmental pollution

Method used

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  • A compound additive for improving eggshell quality of aged eggs and its application
  • A compound additive for improving eggshell quality of aged eggs and its application
  • A compound additive for improving eggshell quality of aged eggs and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A composite additive for improving the shell quality of aged eggs, comprising the following raw materials in parts by weight: manganese 50, zinc 40, copper 7, iron 40, iodine 0.2, selenium 4, grape proanthocyanidin 10, astragalus polysaccharide 60, hesperidin 10 , preferably manganese is an organic substance containing manganese, and selenium is an organic substance containing selenium. More preferably, it also includes a carrier mixed in production, wherein the carrier is aluminosilicate, and the content of the additive is 0.2-0.25%. When preparing feed for laying hens , first add this compound additive to the premixed feed, and then mix it with other feed ingredients.

Embodiment 2

[0025] A compound additive for improving eggshell quality of aged eggs, comprising the following raw materials in parts by weight: manganese 20, zinc 10, copper 1, iron 10, iodine 0.1, selenium 0.5, grape procyanidin 1, astragalus polysaccharide 20, hesperidin 1 , preferably manganese is an organic substance containing manganese, and selenium is an organic substance containing selenium. More preferably, it also includes a carrier mixed in production, wherein the carrier is aluminosilicate, and the content of the additive is 0.2-0.25% to be formulated as a composite additive. When laying hen feed, this compound additive is firstly added to the premixed feed, and then mixed with other feed ingredients.

Embodiment 3

[0027] A composite additive for improving the shell quality of aged eggs, comprising the following raw materials in parts by weight: manganese 40, zinc 35, copper 5, iron 30, iodine 0.18, selenium 2.5, grape procyanidins 6.5, astragalus polysaccharide 50, hesperidin 5 , preferably manganese is an organic substance containing manganese, and selenium is an organic substance containing selenium. More preferably, it also includes a carrier mixed in production, wherein the carrier is aluminosilicate, and the content of the additive is 0.2-0.25% to be formulated as a composite additive. When laying hen feed, this compound additive is firstly added to the premixed feed, and then mixed with other feed ingredients.

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Abstract

The invention relates to a compound additive capable of improving the aged laying hen egg shell quality and application thereof. The compound additive is prepared from, by weight, 20-50 parts of manganese, 10-40 parts of zinc, 1-7 parts of copper, 10-40 parts of iron, 0.1-0.2 part of iodine, 0.5-4 parts of selenium, 1-10 parts of grape procyanidine, 20-60 parts of astragalus polysaccharide and 1-10 parts of hesperidin by taking aluminosilicate as a carrier (blended until the mixture is 1,000 g). Through application of the feed additive, the soft-shelled egg rate and cracked-shelled egg rate of aged hyline-grey or hyline-brown or jinghong layer hens can be significantly decreased, the ratio of the egg shell thickness to the egg shell weight and the ratio of the egg shell strength to the egg shell weight can be increased, cracks on the egg shell surface can be reduced, the thickness and width of mastoid process can be decreased, the mastoid process density can be increased, and the ultrastructure of egg shells can be improved. Therefore, the compound additive has the good application prospect in the aspect of improving the aged laying hen egg shell quality and has the economic benefit.

Description

technical field [0001] The invention relates to the field of feed production in animal husbandry, in particular to a compound additive for improving the shell quality of aged eggs and its application. Background technique [0002] The eggshell plays an important role in the egg, which can protect the internal components of the egg from microorganisms, environmental changes and external forces; resist microbial invasion during the development of the egg; regulate internal and external water and gas exchange through stomata during embryonic development; when yolk calcium is depleted Supplement calcium and so on for embryonic development. The reduction of eggshell quality not only affects the qualified rate and preservation of commercial eggs, but also affects the quality of eggs, which has become one of the important problems faced by the laying hen industry. [0003] Eggshell quality is an important economic and appearance trait of eggs. The problem of egg shell breakage du...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23K50/75A23K20/20A23K20/28A23K20/121A23K20/163
Inventor 齐广海张海军张亚男王晶武书庚
Owner FEED RESEARCH INSTITUTE CHINESE ACADEMY OF AGRICULTURAL SCIENCES
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