Porcine Health Management | |
Impact of supplementation with dihydroxylated vitamin D3 on performance parameters and gut health in weaned Iberian piglets under indoor/outdoor conditions | |
Research | |
Benito Lozano-Buenestado1  Pedro J. Moreno1  Esperanza Díaz-Bueno1  Laura Castillo-Peinado2  Feliciano Priego-Capote2  Francisco J. Pallarés3  Librado Carrasco3  Jaime Gómez-Laguna3  Inés Ruedas-Torres3  Irene M. Rodríguez-Gómez3  Carmen Álvarez-Delgado3  José M. Sánchez-Carvajal4  Ángela Galán-Relaño5  | |
[1] COVAP, 14400, Pozoblanco, Cordoba, Spain;Department of Analytical Chemistry, Nanochemistry University Institute (IUNAN), Faculty of Sciences, Agrifood Campus of International Excellence (ceiA3), University of Cordoba, Campus of Rabanales, 14071, Córdoba, Spain;Department of Anatomy and Comparative Pathology, Pathology and Immunology Group (UCO-PIG), UIC Zoonosis y Enfermedades Emergentes (ENZOEM), Faculty of Veterinary Medicine, Agrifood Campus of International Excellence (ceiA3), University of Cordoba, Campus of Rabanales, 14071, Cordoba, Spain;Department of Anatomy and Comparative Pathology, Pathology and Immunology Group (UCO-PIG), UIC Zoonosis y Enfermedades Emergentes (ENZOEM), Faculty of Veterinary Medicine, Agrifood Campus of International Excellence (ceiA3), University of Cordoba, Campus of Rabanales, 14071, Cordoba, Spain;Institute of Virology and Immunology (IVI), Bern, Switzerland;Department of Animal Health, UIC Zoonosis y Enfermedades Emergentes (ENZOEM), Faculty of Veterinary Medicine, Agrifood Campus of International Excellence (ceiA3), University of Cordoba, Campus of Rabanales, 14071, Cordoba, Spain; | |
关键词: 1,25 dihydroxyvitamin D; Feeding; Pigs; Growth performance; Immunomodulation; | |
DOI : 10.1186/s40813-023-00307-z | |
received in 2022-11-25, accepted in 2023-02-02, 发布年份 2023 | |
来源: Springer | |
【 摘 要 】
BackgroundVitamin D may improve innate antimicrobial response and the integrity of the intestinal mucosal barrier representing an alternative to antibiotics for improving pig health. Therefore, benefits of dietary supplementation with a product based on vitamin D3 metabolite-rich plant extracts were assessed in 252 purebred Iberian piglets for a period of 60 days. The study group received 1,25 dihydroxyvitamin D (1,25(OH)2D) (100 ppm) in the conventional feed, which already included vitamin D (2000 IU in the starter and 1000 IU in the adaptation diets, respectively). Average daily gain (ADG), feed conversion ratio (FCR) and coefficient of variation of body weight (CV-BW) were assessed along the study. Blood samples, from 18 animals of the study group and 14 animals of the control group, were collected at selected time points to determine white blood cell count, concentration of vitamin D3 and its metabolites, and IgA and IgG in serum. Histopathology, morphometry, and immunohistochemistry (IgA and FoxP3) from small intestine samples were performed on days 30 and 60 of the study from 3 animals per group and time point.ResultsThe ADG (493 vs 444 g/day) and FCR (2.3 vs 3.02) showed an improved performance in the supplemented animals. Moreover, the lower CV-BW indicated a greater homogeneity in the treated batches (13.17 vs 26.23%). Furthermore, a mild increase of IgA and in the number of regulatory T cells in the small intestine were observed in treated pigs.ConclusionsThese results highlight the benefits of this supplementation and encourage to develop further studies along other production stages.
【 授权许可】
CC BY
© The Author(s) 2023
【 预 览 】
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