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<p>The experiment studied the effects of different levels of <italic>Rumex patientia</italic> spp. leaf powder inclusion in laying hens’ diets on their physical parameters and yolk color intensity. The study was conducted on 168 Hy-line laying hens (30 weeks aged), assigned in 3 treatment groups (C, E1 and E2) and housed in an experimental hall equipped with Big Dutchman cages, placed on 3 tiers with digestibility cages (3 treatments × 28 replicates × 2 birds per cage). Feed and water were administrated <italic>ad-libitum</italic>. During the entire 5 weeks experimental period (one week of accommodation), performance parameters were recorded: average daily feed intake(g/day/hen), feed conversion rate (g feed/g egg), laying rate intensity (%) and average egg weight (g). Eggs yolk color is generated by carotenoids as a nutritional response, which depends on their amount, type, and ratio. One of the most important aspects in how consumers rate the quality of food is color. The experimental results demonstrated that an inclusion rate of 1.5% and 3% <italic>Rumex patientia</italic> species leaves powder improved the yolk color intensity without negative effects on production performances and egg quality parameters.</p>
</abstract>

The experiment studied the effects of different levels of Rumex patientia spp. leaf powder inclusion in laying hens’ diets on their physical parameters and yolk color intensity. The study was conducted on 168 Hy-line laying hens (30 weeks aged), assigned in 3 treatment groups (C, E1 and E2) and housed in an experimental hall equipped with Big Dutchman cages, placed on 3 tiers with digestibility cages (3 treatments × 28 replicates × 2 birds per cage). Feed and water were administrated ad-libitum. During the entire 5 weeks experimental period (one week of accommodation), performance parameters were recorded: average daily feed intake(g/day/hen), feed conversion rate (g feed/g egg), laying rate intensity (%) and average egg weight (g). Eggs yolk color is generated by carotenoids as a nutritional response, which depends on their amount, type, and ratio. One of the most important aspects in how consumers rate the quality of food is color. The experimental results demonstrated that an inclusion rate of 1.5% and 3% Rumex patientia species leaves powder improved the yolk color intensity without negative effects on production performances and egg quality parameters.

The effects of <italic>Rumex patientia</italic> leaf powder in laying hens’ diets on egg physical parameters and yolk color

Archiva Zootechnica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

The effects of  leaf powder in laying hens’ diets on egg physical parameters and yolk color

The experiment studied the effects of different levels of Rumex patientia spp. leaf powder inclusion in laying hens’ diets on their physical parameters and...

The effects of Rumex patientia leaf powder in laying hens’ diets on egg physical parameters and yolk color

Publié en ligne: 27 mai 2023

Pages: 141 - 156

DOI: https://doi.org/10.2478/azibna-2023-0010

Mots clés
egg quality, laying hens, performance, species leaves, yolk color

© 2023 Cristina-Camelia Matache et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

The effects of Rumex patientia leaf powder in laying hens’ diets on egg physical parameters and yolk color

Publié en ligne: 27 mai 2023

Pages: 141 - 156

DOI: https://doi.org/10.2478/azibna-2023-0010

Mots clésegg quality, laying hens, performance, species leaves, yolk color

© 2023 Cristina-Camelia Matache et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Mots clés
egg quality, laying hens, performance, species leaves, yolk color