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

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

Document Type: Research Article

Publication date: 2012-02-01

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  • Avian Biology Research provides a forum for the publication of research in every field of ornithology. It covers all aspects of pure and applied ornithology for wild or captive species as well as research that does not readily fit within the publication objectives of other ornithological journals. By considering a wide range of research fields for publication, Avian Biology Research provides a forum for people working in every field of ornithology. The journal also includes sections on avian news, conference diary and book reviews.

    Editor-in-Chief: Charles Deeming Editors: Tom Pike; Dale Sandercock; Claudia Wascher; Jenny Dunn
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    Cover image:Grey Hypocolius (Hypocolius ampelinus) chicks in their nest. Photo by Dr Masoud Moosavi.

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