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1 January 1993 Cryptosporidiosis in a Cotton Rat (Sigmodon hispidus)
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Abstract

Cryptosporidiosis, previously unreported in cotton rats (Sigmodon hispidus), was observed in one of nine cotton rats from Pryor, Oklahoma (USA). Infection was confined to the large intestine. Microscopically, numerous cryptosporidians measuring 2 to 3 μm in diameter were intimately associated with the luminal surface of colonic and rectal mucosae. The affected lamina propria of the large intestine was diffusely infiltrated by eosinophils, lymphocytes and macrophages. Ultrastructurally, numerous trophozoites and a single schizont were observed. Microvilli were displaced by the presence of cryptosporidians at the attachment site.

Elangbam, Quails, Ewing, and Lochmiller: Cryptosporidiosis in a Cotton Rat (Sigmodon hispidus)
Chandikumar S. Elangbam, Charles W. Quails Jr., Sidney A. Ewing, and Robert L. Lochmiller "Cryptosporidiosis in a Cotton Rat (Sigmodon hispidus)," Journal of Wildlife Diseases 29(1), 161-164, (1 January 1993). https://doi.org/10.7589/0090-3558-29.1.161
Received: 9 December 1991; Published: 1 January 1993
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