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Effect of dietary 25-hydroxycholecalciferol supplementation and high stocking density on performance, egg quality, and tibia quality in laying hens

This study was conducted to determine the effects of 25-hydroxycholecalciferol (25-OH-D(3)) on performance, egg quality, tibia quality, and serum hormones concentration in laying hens reared under high stocking density. A total of 800 45-week-old Lohmann laying hens were randomly allotted into a 2 ×...

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Autores principales: Wang, Jianping, Qiu, Lingyun, Gong, Haojie, Celi, Pietro, Yan, Lei, Ding, Xuemei, Bai, Shiping, Zeng, Qiufeng, Mao, Xiangbing, Xu, Shengyu, Wu, Caimei, Zhang, Keying
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Elsevier 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7597448/
https://www.ncbi.nlm.nih.gov/pubmed/32359596
http://dx.doi.org/10.1016/j.psj.2019.12.054
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author Wang, Jianping
Qiu, Lingyun
Gong, Haojie
Celi, Pietro
Yan, Lei
Ding, Xuemei
Bai, Shiping
Zeng, Qiufeng
Mao, Xiangbing
Xu, Shengyu
Wu, Caimei
Zhang, Keying
author_facet Wang, Jianping
Qiu, Lingyun
Gong, Haojie
Celi, Pietro
Yan, Lei
Ding, Xuemei
Bai, Shiping
Zeng, Qiufeng
Mao, Xiangbing
Xu, Shengyu
Wu, Caimei
Zhang, Keying
author_sort Wang, Jianping
collection PubMed
description This study was conducted to determine the effects of 25-hydroxycholecalciferol (25-OH-D(3)) on performance, egg quality, tibia quality, and serum hormones concentration in laying hens reared under high stocking density. A total of 800 45-week-old Lohmann laying hens were randomly allotted into a 2 × 2 factorial design with 2 levels of dietary 25-OH-D(3) levels (0 and 69 μg/kg) and 2 rates of stocking densities [506 (low density) and 338 (high density) cm(2)/hen]. Laying hens were monitored for 16 wk. High stocking density decreased laying rate, egg weight, and feed intake compared with low stocking density (P < 0.01) during 1 to 8 wk and 1 to 16 wk. Overall, high stocking density increased eggshell lightness value and decreased shell redness and yellowness value, strength, thickness, and relative weight compared with low stocking density (P < 0.05). Dietary supplementation with 25-OH-D(3) reduced the value of the eggshell lightness and increased its yellowness and eggshells weight (P ≤ 0.05). The increase in eggshell thickness was more pronounced when 25-OH-D(3) was supplemented to layers under high stocking density (interaction, P < 0.05). Layers under high stocking density had lower ash content and calcium content in the tibia than layers under low stocking density (P = 0.04); dietary 25-OH-D(3) increased tibia strength compared with no addition (P = 0.05). Layers under high stocking density had higher serum concentrations of 25-OH-D(3), corticosterone (CORT), lipopolysaccharide (LPS), and osteocalcin (OC; P < 0.05), lower content of parathyroid hormone (PTH) compared with layers under low stocking density (P < 0.01). Dietary 25-OH-D(3) increased serum concentration of 25-OH-D(3), carbonic anhydrase (CA), and calcitonin (CT) (P < 0.01) and reduced corticosterone, lipopolysaccharide and osteocalcin concentration (P ≤ 0.05). The increase effect in PTH was more pronounced when 25-OH-D(3) was supplemented to layers under high stocking density (interaction, P = 0.05). Overall, the results gathered in this study indicate that high stocking density result in reducing production performance, shell color and quality, and tibia health, whereas dietary 25-OH-D(3) was able to maintain tibia health and to mitigate the negative impact of high stocking density on productive performance.
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spelling pubmed-75974482020-11-02 Effect of dietary 25-hydroxycholecalciferol supplementation and high stocking density on performance, egg quality, and tibia quality in laying hens Wang, Jianping Qiu, Lingyun Gong, Haojie Celi, Pietro Yan, Lei Ding, Xuemei Bai, Shiping Zeng, Qiufeng Mao, Xiangbing Xu, Shengyu Wu, Caimei Zhang, Keying Poult Sci Metabolism and Nutrition This study was conducted to determine the effects of 25-hydroxycholecalciferol (25-OH-D(3)) on performance, egg quality, tibia quality, and serum hormones concentration in laying hens reared under high stocking density. A total of 800 45-week-old Lohmann laying hens were randomly allotted into a 2 × 2 factorial design with 2 levels of dietary 25-OH-D(3) levels (0 and 69 μg/kg) and 2 rates of stocking densities [506 (low density) and 338 (high density) cm(2)/hen]. Laying hens were monitored for 16 wk. High stocking density decreased laying rate, egg weight, and feed intake compared with low stocking density (P < 0.01) during 1 to 8 wk and 1 to 16 wk. Overall, high stocking density increased eggshell lightness value and decreased shell redness and yellowness value, strength, thickness, and relative weight compared with low stocking density (P < 0.05). Dietary supplementation with 25-OH-D(3) reduced the value of the eggshell lightness and increased its yellowness and eggshells weight (P ≤ 0.05). The increase in eggshell thickness was more pronounced when 25-OH-D(3) was supplemented to layers under high stocking density (interaction, P < 0.05). Layers under high stocking density had lower ash content and calcium content in the tibia than layers under low stocking density (P = 0.04); dietary 25-OH-D(3) increased tibia strength compared with no addition (P = 0.05). Layers under high stocking density had higher serum concentrations of 25-OH-D(3), corticosterone (CORT), lipopolysaccharide (LPS), and osteocalcin (OC; P < 0.05), lower content of parathyroid hormone (PTH) compared with layers under low stocking density (P < 0.01). Dietary 25-OH-D(3) increased serum concentration of 25-OH-D(3), carbonic anhydrase (CA), and calcitonin (CT) (P < 0.01) and reduced corticosterone, lipopolysaccharide and osteocalcin concentration (P ≤ 0.05). The increase effect in PTH was more pronounced when 25-OH-D(3) was supplemented to layers under high stocking density (interaction, P = 0.05). Overall, the results gathered in this study indicate that high stocking density result in reducing production performance, shell color and quality, and tibia health, whereas dietary 25-OH-D(3) was able to maintain tibia health and to mitigate the negative impact of high stocking density on productive performance. Elsevier 2020-03-13 /pmc/articles/PMC7597448/ /pubmed/32359596 http://dx.doi.org/10.1016/j.psj.2019.12.054 Text en © 2020 Published by Elsevier Inc. on behalf of Poultry Science Association Inc. http://creativecommons.org/licenses/by-nc-nd/4.0/ This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
spellingShingle Metabolism and Nutrition
Wang, Jianping
Qiu, Lingyun
Gong, Haojie
Celi, Pietro
Yan, Lei
Ding, Xuemei
Bai, Shiping
Zeng, Qiufeng
Mao, Xiangbing
Xu, Shengyu
Wu, Caimei
Zhang, Keying
Effect of dietary 25-hydroxycholecalciferol supplementation and high stocking density on performance, egg quality, and tibia quality in laying hens
title Effect of dietary 25-hydroxycholecalciferol supplementation and high stocking density on performance, egg quality, and tibia quality in laying hens
title_full Effect of dietary 25-hydroxycholecalciferol supplementation and high stocking density on performance, egg quality, and tibia quality in laying hens
title_fullStr Effect of dietary 25-hydroxycholecalciferol supplementation and high stocking density on performance, egg quality, and tibia quality in laying hens
title_full_unstemmed Effect of dietary 25-hydroxycholecalciferol supplementation and high stocking density on performance, egg quality, and tibia quality in laying hens
title_short Effect of dietary 25-hydroxycholecalciferol supplementation and high stocking density on performance, egg quality, and tibia quality in laying hens
title_sort effect of dietary 25-hydroxycholecalciferol supplementation and high stocking density on performance, egg quality, and tibia quality in laying hens
topic Metabolism and Nutrition
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7597448/
https://www.ncbi.nlm.nih.gov/pubmed/32359596
http://dx.doi.org/10.1016/j.psj.2019.12.054
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