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. 1980 Jul;100(1):193–208.

Chemical bursectomy of chickens with colchicine applied to the anal lips.

T Romppanen, T E Sorvari
PMCID: PMC1903771  PMID: 6967262

Abstract

To induce chemical bursectomy, 30 microliter colchicine dissolved in saline solution (1 mg/ml) was applied on the anal lips of White Leghorn chickens once daily for four consecutive days after hatching. Histologic characteristics of the bursa of Fabricius, spleen, thymus, cecal tonsils, and rectal wall were studied 1-7 days after hatching. Total necrosis of the lymphoid cells and the follicle-associated epithelium in the bursa was observed during the four days of colchicine application. The bursal stroma remained unchanged, and only minor changes were found in the interfollicular surface epithelium. After colchicine application ceased, some regeneration of the epithelium, as evidenced by small epithelial buds, was found. At the end of the observation period the epithelial buds were often covered by the follicle-associated epithelium, which was capable of phagocytizing carbon. However, practically no lymphoid repopulation was seen in the buds. Since this method of colchicine application had no direct effect on other lymphoid organs or on the survival or weight of the chickens, this bursectomy model seems to be a new tool for use in studies of bursal function.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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