Dietary stinging nettle ( Urtica dioica ) improves carotenoids content in laying hen egg yolk

Pirgozliev, V., Kljak, K., Whiting, I.M., Mansbridge, S.C., Atanasov, A.G., Enchev, S.B., Tukša, M. and Rose, S.P. (2024) Dietary stinging nettle ( Urtica dioica ) improves carotenoids content in laying hen egg yolk. British Poultry Science. ISSN 0007-1668

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Abstract

1. This study assessed the addition of dried stinging nettle (SN) leaves at 0%, 2.5% and 5.0% in feed on egg production, egg quality, chemical composition and antioxidant content in eggs from laying hens. 2. Seventy-two Hy-Line Brown laying hens, housed in 36 enriched layer cages, were used in the study from 43 to 47 weeks of age. Feeding dry SN leaves did not affect (p > 0.05) egg production variables. 3. Dietary SN inclusion linearly increased (p < 0.001) carotenoid content more than six-fold, in addition to yellowness and redness of the yolks at the maximum inclusion. Providing eggs from hens fed carotenoid enriched diets, e.g. SN, may be used to increase carotenoids in human diets.

Item Type: Article
Keywords: Stinging nettle, carotenoids, eggs, eye health, human health, laying hens
Divisions: Agriculture and Environment (from 1.08.20)
Depositing User: Mrs Rachael Giles
Date Deposited: 01 Nov 2024 13:22
Last Modified: 01 Nov 2024 13:22
URI: https://hau.repository.guildhe.ac.uk/id/eprint/18137

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