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1.
Braz. j. vet. pathol ; 5(1): 20-24, mar. 2012. ilus
Article in English | VETINDEX | ID: biblio-1397651

ABSTRACT

In Argentina, cases of malignant catarrhal fever (MCF) are suspected to have occurred according to macro and microscopic lesions. However, none has been corroborated by molecular tests. We describe here the first laboratory confirmed case of MCF in Argentina occurring in American bison confined in the Buenos Aires Zoo.(AU)


Subject(s)
Animals , Cattle/microbiology , Malignant Catarrh/diagnosis , Argentina , Pathology, Molecular , Animals, Zoo
2.
Braz. J. Vet. Pathol. ; 5(1): 20-24, 2012.
Article in English | VETINDEX | ID: vti-689816

ABSTRACT

In Argentina, cases of malignant catarrhal fever (MCF) are suspected to have occurred according to macro and microscopic lesions. However, none has been corroborated by molecular tests. We describe here the first laboratory confirmed case of MCF in Argentina occurring in American bison confined in the Buenos Aires Zoo.

6.
Int J Pancreatol ; 8(2): 119-31, 1991 Feb.
Article in English | MEDLINE | ID: mdl-2033323

ABSTRACT

The present report is a study of the effect of the carcinogen nitrosomethylurea (NMU) on pancreas of rats receiving during lifetime a lipid-poor diet, that is essential fatty acid deficient or control diets. Rats fed a commercial stock chow were mated. At day 10 of pregnancy, dams were divided into three groups, that were respectively supplied with the commercial chow, the essential fatty acid deficient or the sufficient diet. Each litter was separated at random in two groups that received at day one of life one intraperitoneal injection of NMU (50 mg/kg b.w.) or saline. After weaning, they were maintained for life with the diet that was supplied to their mothers. The pancreas of NMU-treated rats presented diffuse proliferative changes, focal acinar cell hyperplasias (FACH), and focal hepatocyte-like metaplasia (FHLCM). FACH were expansive presumably preneoplastic growths, showing abnormal differentiation. The number of NMU-treated rats bearing FACH and FHLCM did not significantly differ in the three nutritional conditions.


Subject(s)
Methylnitrosourea/toxicity , Pancreas/drug effects , Animals , Dietary Fats/administration & dosage , Fatty Acids, Essential/administration & dosage , Female , Hyperplasia , Metaplasia , Pancreas/pathology , Pancreatic Neoplasms/etiology , Pancreatic Neoplasms/pathology , Precancerous Conditions/etiology , Precancerous Conditions/pathology , Pregnancy , Rats , Rats, Inbred Strains
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