富硒酵母对蛋鸡生产性能、全血GPX活性和鸡蛋硒含量的影响

Journal of Tianjin Agricultural University ›› 2013, Vol. 20 ›› Issue (3): 19-21.

Effects of Selenized Yeast on Production Performance, Whole Blood GPX Activities and Egg Selenium Concentrations in Laying Hens

WANG Hong-xiang¹, PAN Cui-ling², WANG Xin¹, ZHANG Jian-bin¹, MA Ji-fei¹, HUANG Bao-xia¹, QIN Shun-yi^{1,Corresponding Author}, YANG Jiu-qiang³

1. Department of Animal Science, Tianjin Agricultural University, Tianjin 300384, China;
2. College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China;
3. Jinnan Animal Husbandry and Aquaculture Development Service Center of Tianjin City, Tianjin 300350, China

Received:2013-06-16 Published:2019-10-21

Abstract

Abstract: Three hundred Rohman laying hens were randomly assigned into three dietary treatment groups (one hundred per group) for a 5-week study and fed a basal diet or diets supplemented to provide 0.20 mg/kg Se from selenized yeast, sodium selenite, respectively. Production performances of layers were recorded during the whole test. Blood samples and eggs were collected during the test or at experiment termination.The results show that there are no significant difference on average laying rate, feed intake per day, egg production per day and feed/egg ratio in selenized yeast group and sodium selenite group （P > 0.05）. The whole blood GPX activities in selenized yeast group and sodium selenite group were higher than that of the control group (P<0.05). However, The whole blood GPX activities in sodium selenite group were higher than that of the selenized yeast group (P<0.05). A diet supplemented with selenized yeast and sodium selenite for laying hens could increase the content of egg selenium (P<0.05). However, the content of egg selenium in selenized yeast group were higher than that of the sodium selenite group (P<0.05).

Key words: laying hens, production performance, GPX, sodium selenite, selenized yeast, selenium concentration

CLC Number:

S815.1

WANG Hong-xiang, PAN Cui-ling, WANG Xin, ZHANG Jian-bin, MA Ji-fei, HUANG Bao-xia, QIN Shun-yi, YANG Jiu-qiang. Effects of Selenized Yeast on Production Performance, Whole Blood GPX Activities and Egg Selenium Concentrations in Laying Hens[J]. Journal of Tianjin Agricultural University, 2013, 20(3): 19-21.

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Effects of Selenized Yeast on Production Performance, Whole Blood GPX Activities and Egg Selenium Concentrations in Laying Hens

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