Laying performance and nitrogen balance in hens fed organic diets with different energy and methionine levels

Journal of Animal and Feed Sciences

Volumn 18, Issue 2, 2009, Pages 305-312

  Koreleski, J ^a   Swiatkiewicz S ^b  

^a NATIONAL RESEARCH INSTITUTE OF ANIMAL PRODUCTION   (Poland)

^b NONE

Author keywords

Energy; Laying hens; Methionine; N balance; Organic diet; Performance

Indexed keywords

BRASSICA NAPUS;

EID: 67650503944     PISSN: 12301388     EISSN: None     Source Type: Journal    
DOI: 10.22358/jafs/66395/2009     Document Type: Article

References (12)

1. th Edition. Arlington, VA
2. Bregendahl K., Roberts S.A., Kerr B., Hoehler D., 2008. Ideal ratios of isoleucine, methionine, methionine plus cystine, threonine, tryptophan and valine relative to lysine for White Leghorn- type laying hens of twenty-eight to thirty-four weeks of age. Poultry Sci. 87, 744-758
3. European Table of Energy Values for Poultry Feedstuff's, 1989. WPSA, Wageningen
4. th Edition. Academic Press, NY
5. Harms R.H., Russell G.B., Harlow H., Ivey F.J., 1998. The influence of methionine on commercial laying hens. J. Appl. Poultry Res. 7, 45-52
6. Moritz J.S., Parsons A.S., Buchanan N.P., Baker N.J., Jaczynski I., Gekara O.J., Bryan W.B., 2005. Synthetic methionine and feed restriction effects on performance and meat quality of organically reared broiler chickens. J. Appl. Poultry Res. 14, 521-535
7. Scholtyssek S., Feuerstein D., Kutritz B., 1991. Experiments to optimize protein conversion and nitrogen excretion in feeding laying hens. Arch. Gefliügelk. 55,134-141
8. th Edition. The Kielanowski Institute of Animal Physiology and Nutrition, PAN. Jablonna, and Polish Branch of WPSA (Poland)
9. Summers J.D., 1993. Reducing nitrogen excretion of the laying hen by feeding lower crude protein diets. Poultry Sci. 72, 1473-1478
10. Windhorst H.W., 2005. Development of organic egg production and marketing in the EU. World Poultry Sci. J. 61,451-461
11. Wu G., Bryant M.M., Gunawardana P., Roland D.A., 2007. Effect of nutrient density on performance, egg components, egg solids, egg quality, and profits in eight commercial Leghorn stains during phase one. Poultry Sci. 86, 691-697
12. nd SAFO Workshop. Witzenhausen (Germany), pp. 153-159