Histopathological and morphometric changes induced by a dextran sodium sulfate (DSS) model in broilers

Poultry Science
A MenconiL R Bielke

Abstract

Oral administration of dextran sodium sulfate (DSS) is commonly used as an inducer of enteric inflammation in rodents. However, there is a dearth of knowledge regarding appropriate dosage, timing, or ageresponses in broilers for this potential inducer of inflammation without necrosis. Two experiments were conducted in day-of-hatch chicks to analyze clinical parameters and enteric histological changes induced by DSS when administered via drinking water ( DW: ). In both experiments, birds were distributed into nontreated control or varying concentrations of DSS in DW. For both experiments, only 0.75% DSS in DW was histologically evaluated. In Experiment 1, chicks received DSS from day 3 to 11, and at 3, 6, and 8 d of treatment, chicks were weighed, and sections of the duodenum, ileum, and ceca were formalin fixed. The addition of 0.75% DSS caused depression, anemia, and watery bloody diarrhea, plus significantly (P < 0.05) decreased BW gain at all times. Shortened ileal villi at 6 d and duodenal villi at 8 d of treatment, reduced duodenal and ileal epithelial cell height at 3, 6, and 8 d, and increased duodenal goblet cell density at 6 and 8 d were observed in response to DSS administration (P < 0.05). In Experiment 2, birds rece...Continue Reading

References

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Citations

Jan 19, 2016·Life Sciences·Mohamed BalahaWalaa Elwan
Dec 24, 2015·Frontiers in Veterinary Science·Vivek A KuttappanLisa R Bielke
Oct 13, 2016·Journal of Animal Physiology and Animal Nutrition·S GilaniR J Hughes

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