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Response of laying hens to omega-3 fatty acids for performance and egg quality

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Abstract:

With the growing awareness among the general public, the demand for food products rich in omega-3 polyunsaturated fatty acids (n-3 PUFA) has increased over the years. Hen eggs enriched with n-3 PUFA are serving this purpose. Several earlier trials indicated that the addition of n-3 PUFA-enriched feed stuffs in laying hen rations readily promoted the n-3 PUFA contents of egg yolks. A major increase was noticed for linolenic acid content in the egg yolk and also for long chain n-3 PUFA. The egg cholesterol was also decreased to some extent by feeding n-3 PUFA-enriched diets to laying hens. However, the production performance and egg characteristics have been questioned in some of the studies conducted on n-3 PUFA feeding to laying hens. The major problem mentioned was a decrease in the egg weight and egg-yolk weight. It is suggested that more consideration should be given to the performance and egg characteristics in future studies on feeding n-3 PUFA to laying hens.

Keywords: EGG QUALITY; LAYERS; N-3 PUFA; PERFORMANCE

Document Type: Research Article

DOI: http://dx.doi.org/10.3184/175815512X13291506128070

Publication date: February 1, 2012

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  • Avian Biology Research, formerly Avian & Poultry Biology Reviews, has adopted a new and exciting vision for publication of ornithological research in the 21st Century.

    This vision is based on two main concepts. First, the topics published by the journal will cover all aspects of ornithology. This will provide a forum for scientists to publish their work in a journal that will have a broad appeal. Second, the scope of the journal will expand to include reports of original research, letters, perspectives, news, diary and book reviews in addition to reviews. By considering a wide range of research fields for publication, Avian Biology Research provides a forum for people working in every field of ornithology.

    Editor-in-Chief: Charles Deeming Editors: Mary Ann Ottinger; Tom Pike; Anna Wilkinson; Dale Sandercock

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