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Purpose and use method of supported nanometer zinc oxide being adopted as intestinal health regulator of chickens

A technology of nano-zinc oxide and intestinal health, applied in applications, animal feed, animal feed, etc., can solve problems such as malabsorption of nutrients, poor uniformity, secondary infection of bacteria, etc., to solve problems of reunion and stability, narrow Small particle size distribution, the effect of protecting the intestinal mucosal barrier

Inactive Publication Date: 2012-04-11
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Unhealthy gut conditions can lead to the following problems: wet litter; poor feed conversion; low market weight; poor uniformity; watery or sticky stools; infection
However, although the above products have certain effects in protecting intestinal health, they all need to be further improved.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment l

[0025] Nano-ZnO / montmorillonite intercalation composites were prepared according to the method described in the literature (Du Yiting. In-situ synthesis of nano-silver and zinc oxide between montmorillonite layers. Guilin Institute of Technology, 2008.), by weight percentage, The content of zinc oxide in the nanocomposite is 10%.

[0026] Take 180 1-day-old Aviin commercial chicks and divide them into 3 groups according to the test requirements: basal diet; basal diet + 40 mg / kg loaded nano zinc oxide (calculated as zinc); basal diet + 50 mg / kg aureomycin. There were 60 rats in each group, and 12 rats were raised in a wooden cage (the specification was length×width×height=120cm×90cm×50cm), and every 5 cages was a repetition. Feed the same corn-soybean meal based diet, 24h light, free access to food and water. Immunization and other feeding and management procedures refer to the "Aviation Broiler Chicken Feeding and Management Manual". Weight gain was calculated at 49 days ...

Embodiment 2

[0029] According to the literature (Gong Zhaozhuo, Zheng Shuilin, Lu Fangli, Shen Hongling, Sun Zhiming. Preparation of nano-zinc oxide-calcined kaolin composite materials. China Powder Technology, 2010, 16: 58-60) to prepare kaolin-loaded nano-zinc oxide composite materials, The content of zinc oxide in the nanocomposite is 20% by weight.

[0030] Take 120 1-day-old AA commercial chickens and divide them into two groups according to the test requirements: basic diet; basic diet + 50 mg / kg loaded nano-zinc oxide (calculated as zinc). There were 60 rats in each group, and 12 rats were raised in a wooden cage (the specification was length×width×height=120cm×90cm×50cm), and every 5 cages was a repetition. Feed the same corn-soybean meal based diet, 24h light, free access to food and water. The results showed that compared with the control group, adding 50 mg / kg loaded nano zinc oxide increased the daily gain of broilers by 7.12% (P<0.05), the height of jejunal villi increased by...

Embodiment 3

[0032] According to the literature (Yao Chao, Liu Min, Chen Zhigang, Li Weimin, Hu Xiaoli, Liu Jianping. A method for preparing attapulgite / zinc oxide nanocomposites. Application number: 200810243654.) to prepare attapulgite / zinc oxide nanocomposites , by weight percentage, the content of zinc oxide in the nanocomposite material is 40%.

[0033] The test results of adding 80 mg / kg (calculated as zinc) loaded nano-zinc oxide to the broiler diet showed that 80 mg / kg loaded nano-zinc oxide could increase the daily weight gain by 6.2% (P<0.05), plasma D- Lactic acid and DAO activities decreased by 30.2% (P<0.05) and 27.5% (P<0.05), respectively.

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Abstract

The invention discloses a purpose and a use method of supported nanometer zinc oxide being adopted as intestinal health regulator of chickens. The purpose of the supported nanometer zinc oxide being adopted as the intestinal health regulator of the chickens is a composite material which adopts the kaolin or the montmorillonite or the attapulgite or the sepiolite as carrier to carry the supported nanometer zinc oxide. In the composite material of the supported nanometer zinc oxide, the weight percent of the zinc oxide is 10-50%. The use method of the supported nanometer zinc oxide being adopted as the intestinal health regulator of the chickens comprises a step of adding the zinc to the chicken feed according to the dose of 40-100 mg / kg. When the supported nanometer zinc oxide is used for feeding the chickens, the zinc oxide is slowly released in the intestinal tracts of animals, and more zinc oxide can reach to the intestinal tracts in molecular morphology to realize the control effect of the intestinal health. The supported nanometer zinc oxide which is added to the diet is obviously reduced, the daily gain of the chickens is increased, the intestinal morphology is improved, and the intestinal mucosal barrier is protected. Because the integrity of the intestinal tracts is improved, the damage of the chickens caused by clostridium is reduced.

Description

technical field [0001] The invention relates to the use and method of a loaded nano-zinc oxide as a broiler intestinal health regulator, specifically a kind of nano-zinc oxide loaded with kaolin, montmorillonite, attapulgite and sepiolite as carriers. Use of composite materials as gut health regulators in broiler chickens. Background technique [0002] Maintaining a healthy gut is a key factor in achieving good broiler performance. Unhealthy intestinal conditions can lead to the following problems: wet litter; poor feed conversion; low market weight; poor uniformity; watery or sticky stools; Infection. There are two main intestinal diseases in broilers, one is necrotic enteritis caused by Clostridium perfringens (Clostridium perfringens), and the other is dysbiosis caused by general overgrowth of intestinal flora . In broiler chicken farming, the purposeful regulation of intestinal health plays an important role in improving the performance of broiler chickens, impro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K1/18A23K1/175
Inventor 胡彩虹李卫芬栾兆双朱康
Owner ZHEJIANG UNIV
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