alexa Effects of Organic Selenium and Zinc on the Aging Process of Laying Hens | OMICS International| Abstract

ISSN: 2168-9881


  • Research Article   
  • Agrotechnol 2012, Vol 1(1): 103
  • DOI: 10.4172/2168-9881.1000103

Effects of Organic Selenium and Zinc on the Aging Process of Laying Hens

V.G. Stanley1*, P. Shanklyn1, M. Daley1, C. Gray1, V. Vaughan1, A. Hinton Jr2 and M. Hume3
1Prairie View A&M University, Prairie View, Texas 77446, USA
2Poultry Processing and Swine Physiology Unit, Agricultural Research Service, United States Department of Agriculture, , 950 College Station Road, Russell Research Center, Athens, GA 30604, USA
3United States Department of Agriculture, Agricultural Research Service, College Station, Texas 77845, , USA
*Corresponding Author : V.G. Stanley, Prairie View A&M University, Prairie View, Texas, 77446, USA, Email: [email protected]

Received Date: Apr 10, 2012 / Accepted Date: Jun 14, 2012 / Published Date: Jul 20, 2012


The objective of the study was to determine whether supplementing the diets of post-molted hens with organic selenium (Se) (Sel-Plex®) and/or organic Zinc (Zn) (Bio-Plex®)1 could improve laying hen performance. Prior to molting, 120-78 wk old laying hens were separated into four treatment groups of 30 hens per treatment and were subjected to molting. Molting was induced by reducing photoperiod from 16 h per day to 8 h, and the diet was changed from a standard layer diet (17% CP; 2830 ME/kg) to a straight crushed corn diet. When egg production was reduced to zero, the hens were fed a control diet, or a diet supplemented with 0.3 ppm Se/kg of feed; 20 ppm Zn/kg of feed, or a combination of Se and Zn. Lighting was restored gradually to post-molting period. Changes in daily egg production, egg weight, egg quality (albumen, yolk, and shell weights), feed utilization and hen mortality were recorded. Results indicated that mean egg production was significantly (P<0.05) greater and feed utilization was significantly (P<0.05) lower for hens fed diet supplement with the combined treatment of Se and Zn compared to the other diets. Single treatment of Zn significantly (P<0.05) lowered mortality and increased egg production, but significantly (P<0.05) reduced egg, albumen and shell weights.

Keywords: Post-molted hens; Organic selenium; Organic zinc; Layer diet; Egg production

Citation: Stanley VG, Shanklyn P, Daley M, Gray C, Vaughan V, et al. (2012) Effects of Organic Selenium and Zinc on the Aging Process of Laying Hens. Agrotechnol 1: 103. Doi: 10.4172/2168-9881.1000103

Copyright: ©2012 Stanley VG, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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