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...
| Autores principales: | , , , , , , , , |
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| Formato: | Journal Article |
| Lenguaje: | Inglés |
| Publicado: |
Elsevier Ltd.
2023
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| Materias: | |
| Acceso en línea: | https://hdl.handle.net/10568/135043 |
| _version_ | 1855520787683868672 |
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| author | Kedir, Seman Tamiru, Metekia Tadese, Dawit Takele, Lishan Mulugeta,, Melaku Miresa, Ashenafi Wamatu, Jane Alkhtib, Ashraf Burton, Emily |
| author_browse | Alkhtib, Ashraf Burton, Emily Kedir, Seman Miresa, Ashenafi Mulugeta,, Melaku Tadese, Dawit Takele, Lishan Tamiru, Metekia Wamatu, Jane |
| author_facet | Kedir, Seman Tamiru, Metekia Tadese, Dawit Takele, Lishan Mulugeta,, Melaku Miresa, Ashenafi Wamatu, Jane Alkhtib, Ashraf Burton, Emily |
| author_sort | Kedir, Seman |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | 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 < 0.05) significantly improved the hens’ daily egg
production (78.9%). Feed conversion ratio (2.25) and egg weight (56.7 g) compared to control
treatment. Similarly, at 3.5% and 5.2% RLM supplementation, eggshell weight (5.876 g) and
eggshell strength increased significantly (p < 0.05) (compared to control, a weight of 3.76 kg/
cm2 and a shell thickness (0.37 mm) was observed. In addition, the groups fed 5.2% RLM had
significantly higher albumin weight (34.9 g/L), albumin height (6.9 mm), and yolk weight (15.6
g/L). l), yolk height (15.9 mm), yolk color (5.3 points), and Hough unit (83.9 points) than the
control groups. Regarding the external characteristics of stored eggs, a group of hens fed at rates
of 3.5 and 5.2% RLM showed significantly greater (p < 0.05) egg weight with increases in storage
temperature and duration as a control group. There was a significant interaction effect between
stored eggs collected from the supplemented groups in terms of egg weight, weight loss, shell
weight, shell strength, and shell thickness stored at specific temperatures and storage durations.
There was a decrease in albumen level and Haugh unit (HU) with an increase in storage |
| format | Journal Article |
| id | CGSpace135043 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2023 |
| publishDateRange | 2023 |
| publishDateSort | 2023 |
| publisher | Elsevier Ltd. |
| publisherStr | Elsevier Ltd. |
| record_format | dspace |
| spelling | CGSpace1350432026-01-17T02:04:44Z Effect of rosemary (Rosmarinus officinalis) leaf meal supplementation on production performance and egg quality of laying hens Kedir, Seman Tamiru, Metekia Tadese, Dawit Takele, Lishan Mulugeta,, Melaku Miresa, Ashenafi Wamatu, Jane Alkhtib, Ashraf Burton, Emily egg production laying hens egg quality poultry rosemary leaf flour egg storage 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 < 0.05) significantly improved the hens’ daily egg production (78.9%). Feed conversion ratio (2.25) and egg weight (56.7 g) compared to control treatment. Similarly, at 3.5% and 5.2% RLM supplementation, eggshell weight (5.876 g) and eggshell strength increased significantly (p < 0.05) (compared to control, a weight of 3.76 kg/ cm2 and a shell thickness (0.37 mm) was observed. In addition, the groups fed 5.2% RLM had significantly higher albumin weight (34.9 g/L), albumin height (6.9 mm), and yolk weight (15.6 g/L). l), yolk height (15.9 mm), yolk color (5.3 points), and Hough unit (83.9 points) than the control groups. Regarding the external characteristics of stored eggs, a group of hens fed at rates of 3.5 and 5.2% RLM showed significantly greater (p < 0.05) egg weight with increases in storage temperature and duration as a control group. There was a significant interaction effect between stored eggs collected from the supplemented groups in terms of egg weight, weight loss, shell weight, shell strength, and shell thickness stored at specific temperatures and storage durations. There was a decrease in albumen level and Haugh unit (HU) with an increase in storage 2023-08-14 2023-12-05T16:18:37Z 2023-12-05T16:18:37Z Journal Article https://hdl.handle.net/10568/135043 en Open Access application/pdf Elsevier Ltd. Seman Kedir, Metekia Tamiru, Dawit Tadese, Lishan Takele, Melaku Mulugeta, Ashenafi Miresa, Jane Wamatu, Ashraf Alkhtib, Emily Burton. (14/8/2023). Effect of rosemary (Rosmarinus officinalis) leaf meal supplementation on production performance and egg quality of laying hens. Heliyon, 9 (8). |
| spellingShingle | egg production laying hens egg quality poultry rosemary leaf flour egg storage Kedir, Seman Tamiru, Metekia Tadese, Dawit Takele, Lishan Mulugeta,, Melaku Miresa, Ashenafi Wamatu, Jane Alkhtib, Ashraf Burton, Emily Effect of rosemary (Rosmarinus officinalis) leaf meal supplementation on production performance and egg quality of laying hens |
| title | Effect of rosemary (Rosmarinus officinalis) leaf meal supplementation on production performance and egg quality of laying hens |
| title_full | Effect of rosemary (Rosmarinus officinalis) leaf meal supplementation on production performance and egg quality of laying hens |
| title_fullStr | Effect of rosemary (Rosmarinus officinalis) leaf meal supplementation on production performance and egg quality of laying hens |
| title_full_unstemmed | Effect of rosemary (Rosmarinus officinalis) leaf meal supplementation on production performance and egg quality of laying hens |
| title_short | Effect of rosemary (Rosmarinus officinalis) leaf meal supplementation on production performance and egg quality of laying hens |
| title_sort | effect of rosemary rosmarinus officinalis leaf meal supplementation on production performance and egg quality of laying hens |
| topic | egg production laying hens egg quality poultry rosemary leaf flour egg storage |
| url | https://hdl.handle.net/10568/135043 |
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