Effect of rosemary (Rosmarinus officinalis) leaf meal supplementation on production performance and egg quality of laying hens

This experiment was conducted to investigate the supplemental effect of rosemary leaf meal (RLM) on egg production and egg quality in Lohmann-Brown laying hens. For each treatment, six replicates were performed with four 24-week-old laying hens for a total of 96 chickens. Dried rosemary leaf meal (R...

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Bibliographic Details
Published in:Heliyon 2023-08, Vol.9 (8), p.e19124-e19124, Article e19124
Main Authors: Kedir, Seman, Tamiru, Metekia, Tadese, Dawit Adisu, Takele, Lishan, Mulugeta, Melaku, Miresa, Ashenafi, Wamatu, Jane, Alkhtib, Ashraf, Burton, Emily
Format: Article
Language:English
Subjects:
Egg production
Egg quality
Egg storage
Laying hens
Rosemary leaf flour
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Summary:This experiment was conducted to investigate the supplemental effect of rosemary leaf meal (RLM) on egg production and egg quality in Lohmann-Brown laying hens. For each treatment, six replicates were performed with four 24-week-old laying hens for a total of 96 chickens. Dried rosemary leaf meal (RLM) was present in the commercial laying hen ration at 0, 1.7, 3.5 and 5.2%, respectively. The interactions between dietary treatments, egg storage temperatures (4 °C, 21.5 °C), and egg storage durations (7, 14, 21, 28, and 35 days) were examined in factorial designs using a fully randomized design. The data were analyzed using the Statistical Analysis System (SAS, 2014, Ver. 9.3) and Tukey's multiple range tests to separate the means. The inclusion of dried RLM at a level of 5.2% (p 
ISSN:2405-8440
2405-8440
DOI:10.1016/j.heliyon.2023.e19124