Effects of Dietary Organic Selenium and Vitamin E on Performance, Selenium Retention and Quality of Egg in Laying Hens
2007
Na, J.C. (National Institute of Animal Science, RDA, Cheonan, Republic of Korea) | Kim, J.H. (National Institute of Animal Science, RDA, Cheonan, Republic of Korea) | Yu, D.J. (National Institute of Animal Science, RDA, Cheonan, Republic of Korea) | Jang, B.G. (National Institute of Animal Science, RDA, Cheonan, Republic of Korea) | Kang, G.H. (National Institute of Animal Science, RDA, Cheonan, Republic of Korea) | Kim, S.H. (National Institute of Animal Science, RDA, Cheonan, Republic of Korea) | Kang, B.S. (National Institute of Animal Science, RDA, Cheonan, Republic of Korea) | Choi, C.H. (National Institute of Animal Science, RDA, Cheonan, Republic of Korea) | Suh, O.S. (National Institute of Animal Science, RDA, Cheonan, Republic of Korea) | Lee, W.J. (Daesung Microbiological Labs. Co.. Ltd., Uiwang, Republic of Korea) | Lee, J.C. (Daesung Microbiological Labs. Co.. Ltd., Uiwang, Republic of Korea), E-mail: [email protected]
To examine the effects of dietary organic selenium and vitamin E supplementation on egg production, egg weight, daily egg mass, feed intake, feed conversion, egg quality, lipid-soluble antioxidative capacity (ACL) in egg yolk, and selenium retention of egg in laying hens, Hy-Line laying hens of 77 wk old were replaced in the individual cage for 12 week. A corn-soybean meal based diet was supplemented with 0 (control), vitamin E 100 IU/kg and the combination of 0.9 ppm Se from selenium yeast (SY) and vitamin E 50, 100 and 150 IU/kg. Egg production and daily egg mass were significantly increased (P less than 0.05) in supplemental vitamin E 100 IU, and 0.9 ppm SY + vitamin E 50 IU than control for the whole experimental period. However, feed intake and feed conversion were not affected by supplemental vitamin E and SY. Haugh unit was significantly (P less than 0.05) higher in supplemental vitamin E 100 IU and 0.9 ppm SY + vitamin E 50 IU than control, 0.9 ppm SY + vitamin E 100 and 0.9 ppm SY + 150 IU in week 5. Haugh unit of the eggs during storage decreased significantly(P less than 0.05) from day 1 to day 11.
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