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Samples of tumours collected during necropsies or received from veterinary clinics, as well as biopsies were analysed. The anah sis revealed 2259 tumours, including 1814 (80.30%) cases from dogs, followed by 295 (13.06% ) cases from cats, 79 (3.50%) cases from horses, and 71 (3.14%) cases from exotic animals. Skin and subcutaneous tissue (45% of dogs and 48% of cats), and mammary gland (23% of dogs...
The aim of this study was to investigate pathomorphological changes in the duodenum, jejunum, ileum, and caecum of Japanese quails naturally infected with Eimeria tsunodai. Samples of the intestines were collected from 6-week-old cockerels and hens before laying and from laying quails aged 12, 24, and 48 weeks. The tissue sections were stained with haematoxylin and eosin, PAS method according to McManus,...
The study was carried out on 10 male rabbits, New Zealand pure-bred, 3.5 months old, and weighing 2,000-2,200 g. The animals were divided into two equal groups: group 1 - subjected to short term lateral electrical surface stimulation (ST-LESS) for 2 h daily during 3 months, group 2 - control group without LESS stimulation but with other experimental parameters as in animals of the group 1 (SCOL-2...
Cholangiocarcinoma has been diagnosed in a 9-year-old cockatiel (Nymphicus hollandicus). Nodules, 1 to 5 mm in diameter, white to brown-red in colour, were visible all over the surface of the liver. A microscopic examination revealed the presence of acinar cells resembling biliary epithelium, with numerous mitotic figures and "lakes" of mucin among them. Neoplastic changes were accompanied...
A female dog of the Shar Pei breed, aged 28 months, was euthanised due to familial shar pei fever with amyloidosis. Microscopic and ultrastructural analyses demonstrated the dog to be affected by acute pancreatitis as an outcome of renal amyloidosis and morphological lesions occurring in the liver. The presented case report depicts the microscopic and ultrastructural pattern of the dog pancreas under...
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