Effects of Methionine Hydroxy Analog Chelated Manganese/Zinc on Egg Shell Quality and Deposition of Trace Elements of Layers

LONG Lina; XIE Chunyan; ZHU Nianhua; XIAO Junwu; WANG Shangchu; WU Xin; YIN Yulong

doi:10.3969/j.issn.1006-267x.2015.09.006

2015 , Vol. 27 >Issue 9: 2692 - 2698

DOI: https://doi.org/10.3969/j.issn.1006-267x.2015.09.006

Poultry Nutrition

Effects of Methionine Hydroxy Analog Chelated Manganese/Zinc on Egg Shell Quality and Deposition of Trace Elements of Layers

LONG Lina ,
XIE Chunyan ,
ZHU Nianhua ,
XIAO Junwu ,
WANG Shangchu ,
WU Xin ,
YIN Yulong

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1. College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China;
2. Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production, Key Laboratory of Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture Chinese Academy of Sciences, Changsha 410125, China;
3. Xingjia Bio-Engineering Co. Ltd., Changsha 410001, China

Received date: 2015-04-13

Online published: 2015-09-12

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Abstract

This experiment was conducted to study the effects of partial replacement of inorganic [manganese (Mn) and zinc (Zn)] by methionine hydroxy analog chelated Mn/Zn (Mn/Zn-MHA chelated) on egg shell quality and deposition of trace elements of laying hens. Three groups were arranged to investigate the effects of substituting the mixture of Mn/Zn-MHA chelated for the mixture of corresponsive inorganic trace elements with different levels of 0, 50% and 100%. A total of 180 Rohman laying hens (60-week-old) with similar body weight were divided into three groups randomly with six replicates per group and ten hens per replicate. The experiment lasted for 60 days with 2 phases. The results showed as follows: 1) adding different type of trace elements in diets didn't significantly affect laying rate, average egg weight, daily egg production, feed egg ratio and the broken egg rate (P>0.05). 2) Using organic trace elements could reduce the dosage of trace elements, no significant difference was observed in egg quality between groups (P>0.05). 3) Adding organic trace elements in diets could significantly reduce the fecal excretion of copper (Cu), Zn and Mn (P<0.05). In conclusion, it is possible that using organic trace elements in peak period can improve the laying rate, daily egg production and decrease the feed egg ratio. Moreover, Mn/Zn-MHA chelated can reduce emissions of trace elements in feces with low dosage.

Key words： methionine hydroxy analog chelated Mn/Zn; laying hens; egg shell quality; deposition of trace elements

Cite this article

LONG Lina , XIE Chunyan , ZHU Nianhua , XIAO Junwu , WANG Shangchu , WU Xin , YIN Yulong . Effects of Methionine Hydroxy Analog Chelated Manganese/Zinc on Egg Shell Quality and Deposition of Trace Elements of Layers[J]. Chinese Journal of Animal Nutrition, 2015 , 27(9) : 2692 -2698 . DOI: 10.3969/j.issn.1006-267x.2015.09.006

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