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Title: Diet type, apparent metabolisable energy and digesta viscosity in laying hens of two different ages
Contributor(s): Roberts, Juliet Rosemary  (author); Ball, Wendy (author)
Publication Date: 2004
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Abstract: Diets based on wheat, barley or sorghum were fed to younger and older laying hens for a period of 12 weeks. Production and weekly egg mass were higher for the younger birds and feed intake and feed conversion efficiency were higher for the older hens, with no effect of diet. Egg shell quality and egg internal quality were better for the younger hens. The sorghum diet resulted in eggs with better shell quality but lighter shell colour and lower albumen quality. AME was higher for the older birds and differed among diets, with sorghum the highest and barley the lowest. Excreta moisture was higher for the wheat and barley diets than the sorghum diet, and higher for the older birds. The digesta viscosities of the jejunum and ileum were higher for the wheat and barley diets than for the sorghum diet and not different between the younger and older hens.
Publication Type: Conference Publication
Conference Details: Australian Poultry Science Symposium, Sydney, Australia, 9 - 11 February, 2004
Source of Publication: Proceedings of Australian Poultry Science Symposium, v.16, p. 59-62
Publisher: Australian Poultry Science Symposium & Poultry Research Foundation & World's Poultry Science Association, Australian Branch
Place of Publication: Sydney, NSW, Australia
ISSN: 1034-3466
Field of Research (FOR): 070204 Animal Nutrition
Socio-Economic Objective (SEO): 830309 Poultry
Peer Reviewed: Yes
HERDC Category Description: E1 Refereed Scholarly Conference Publication
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