@article{01GYWAXZ92YYP1033R33VPRVB5,
  abstract     = {{Intestinal integrity losses have been identified as a main driver for poor performance in broilers. The oral administration of markers such as iohexol is a major asset for measuring intestinal perme-ability (IP) alterations. The aim of the current study was to evaluate oral iohexol administration and serum levels as a quantitative measure for IP in Ross 308 broilers and to identify possible associations with histo-logic measurements. A total of 40, day-old broiler chick-ens were randomly divided into 4 groups of 10 broilers and a coccidiosis model was used to induce IP. Three challenge groups received a mixture of different field strains and concentrations of Eimeria acervulina and Eimeria maxima at d 16, and 1 group operated as an uninfected control group. On d 20, 5 birds per group were orally administered the permeability marker iohexol at a dose of 64.7 mg/kg body weight and blood was taken 60 min after the oral gavage. On d 21 these 5 birds per group were euthanized. On d 21, 5 other birds per group were given iohexol where after blood was taken. These birds were euthanized on d 22. During nec-ropsy, birds were scored for coccidiosis lesions and a duo-denal segment was taken for histology. The Eimeria challenge had a significant impact on the villus length, crypt depth, villus-to-crypt ratio and CD3+ T-lympho-cytes area percentage. Challenged birds had a significant higher concentration of serum iohexol on both sampling days, as compared to the uninfected controls. A signifi-cant correlation could be found between the serum iohexol concentration and the histologic parameters (vil-lus length, crypt depth and villus-to-crypt ratio) on the first sampling day. This suggests that iohexol may be used as a gut permeability marker in broilers under Eimeria challenge.}},
  articleno    = {{102690}},
  author       = {{Rysman, Katrien and Eeckhaut, Venessa and Croubels, Siska and Maertens, Brecht and Van Immerseel, Filip}},
  issn         = {{0032-5791}},
  journal      = {{POULTRY SCIENCE}},
  keywords     = {{Animal Science and Zoology,gut health,intestinal permeability,coccidiosis,iohexol,broiler}},
  language     = {{eng}},
  number       = {{6}},
  pages        = {{9}},
  publisher    = {{Elsevier BV}},
  title        = {{Iohexol is an intestinal permeability marker in broilers under coccidiosis challenge}},
  url          = {{http://doi.org/10.1016/j.psj.2023.102690}},
  volume       = {{102}},
  year         = {{2023}},
}

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