Article (Scientific journals)
Dietary supplementation with calcitriol or quercetin improved eggshell and bone quality by modulating calcium metabolism.
Fu, Yu; Zhou, Jianmin; Schroyen, Martine et al.
2024In Animal nutrition (Zhongguo xu mu shou yi xue hui), 18, p. 340 - 355
Peer reviewed
 

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Keywords :
Bone quality; Bone remodeling; Calcitriol; Eggshell quality; Quercetin; Uterine calcium transport; Food Animals; Animal Science and Zoology
Abstract :
[en] This study was aimed to investigate the effects of dietary calcitriol or quercetin supplementation on eggshell and bone quality of laying hens. In trial 1, 72 Hy-Line Brown layers (80-week-old) with weak-shelled strength (25 to 30 N) were assigned into 4 dietary treatments with 6 replicates of 3 birds and fed a basal diet (4% calcium level) or basal diets supplemented with 0.5% calcium, 5 μg/kg calcitriol or 500 mg/kg quercetin for 4 weeks. In trial 2, 360 Hy-Line Brown layers (60-week-old) were divided into 3 groups with 8 replicates of 15 birds: control group (basal diet), calcitriol group (basal diet + 5 μg/kg calcitriol), and quercetin group (basal diet + 500 mg/kg quercetin). This trial lasted for 12 weeks. The results showed that dietary calcitriol or quercetin improved eggshell quality in both trials (P < 0.05). In trial 2, compared with the control group, both calcitriol and quercetin supplementations improved femoral bone quality, calcium retention of hens and calcium content in uterine fluid at 18.5 h post-oviposition (PO) (P < 0.05), along with enhancing uterine morphology. Compared to the control group, supplemental calcitriol or quercetin up-regulated the relative mRNA expression levels of uterine transient receptor potential cation channel, subfamily V, member 6 (TRPV6) at 8.5 h PO and plasma membrane calcium-ATPase (PMCA), vitamin D receptor (VDR), estrogen receptor alpha (ERα) at 18.5 h PO (P < 0.05), but down-regulated the uterine caspase 3 (CASP3) relative mRNA expression level at 8.5 h PO (P < 0.05). Meanwhile, the femoral relative mRNA expression levels of tartrate-resistant acid phosphatase (TRAP) (up-regulated at 8.5 and 18.5 h PO) and alkaline phosphatase (ALP) (up-regulated at 8.5 h PO but down-regulated at 18.5 h PO) were also affected by calcitriol or quercetin supplementation (P < 0.05). Compared to the calcitriol, quercetin increased hen-day egg production and femoral medullary bone volume/bone tissue volume but reduced femoral stiffness (P < 0.05), which were accompanied by increased relative mRNA expression levels of uterine TRPV6, estrogen receptor beta (ERβ) at 18.5 h PO (P < 0.05). Overall, both dietary calcitriol and quercetin could improve eggshell and bone quality by modulating calcium metabolism of aged layers. Compared to calcitriol, dietary quercetin up-regulated the expression of uterine calcium transporters, without affecting eggshell quality.
Disciplines :
Agriculture & agronomy
Author, co-author :
Fu, Yu;  Key Laboratory of Feed Biotechnology, Laboratory of Quality & Safety Risk Assessment for Animal Products on Feed Hazards (Beijing), Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China ; Precision Livestock and Nutrition Laboratory, TERRA Teaching and Research Centre, Gembloux Agro-Bio Tech, University of Liège, B-5030 Gembloux, Belgium
Zhou, Jianmin;  Key Laboratory of Feed Biotechnology, Laboratory of Quality & Safety Risk Assessment for Animal Products on Feed Hazards (Beijing), Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China
Schroyen, Martine  ;  Université de Liège - ULiège > TERRA Research Centre > Animal Sciences (AS)
Lin, Jing;  Key Laboratory of Feed Biotechnology, Laboratory of Quality & Safety Risk Assessment for Animal Products on Feed Hazards (Beijing), Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China
Zhang, Haijun;  Key Laboratory of Feed Biotechnology, Laboratory of Quality & Safety Risk Assessment for Animal Products on Feed Hazards (Beijing), Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China
Wu, Shugeng;  Key Laboratory of Feed Biotechnology, Laboratory of Quality & Safety Risk Assessment for Animal Products on Feed Hazards (Beijing), Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China
Qi, Guanghai ;  Key Laboratory of Feed Biotechnology, Laboratory of Quality & Safety Risk Assessment for Animal Products on Feed Hazards (Beijing), Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China
Wang, Jing;  Key Laboratory of Feed Biotechnology, Laboratory of Quality & Safety Risk Assessment for Animal Products on Feed Hazards (Beijing), Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China
Language :
English
Title :
Dietary supplementation with calcitriol or quercetin improved eggshell and bone quality by modulating calcium metabolism.
Publication date :
September 2024
Journal title :
Animal nutrition (Zhongguo xu mu shou yi xue hui)
ISSN :
2405-6545
eISSN :
2405-6383
Publisher :
KeAi Communications Co., China
Volume :
18
Pages :
340 - 355
Peer reviewed :
Peer reviewed
Funding text :
This study was financially supported by the National Natural Science Foundation of China (32172743), the earmarked fund for China Agriculture Research Systems (CARS-40) and the Agricultural Science and Technology Innovation Program (ASTIP) of CAAS. YF acknowledges the support from Chinese Scholarship Council.
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