MỘT SỐ BỆNH TÍCH ĐẠI THỂ VÀ VI THỂ Ở LỢN MẮC DỊCH TIÊU CHẢY CẤP (PORCINE EPIDEMIC DIARRHEA - PED) NUÔI TẠI TỈNH THANH HOÁ

Abstract

The goal of this study was to identify gross and microscopic lesions in pigs with porcine epidemic diarrhea (PED). Dissecting 25 pigs under 2 weeks old raised at farms in Thanh Hoa with PED by the standard method of examination in TCVN 8402: 2010, showed that: The main gross lesions and microscopic lesions in pigs infected with PED were: thin corpses; swollen small intestine with thin wall and lumpy yellowish substance; swollen stomach containing undigested milk; congestive and hemorrhagic mesenteric ganglion; clay-colored degenerative liver, pulmonary congestion; slight swelling of the kidneys; swollen heart, soft muscle with the ratios of 100; 100; 88; 80; 52; 48; 40; and 24%, respectively. Using paraffin transfer technique to determine microscopic lesions, the results of microscopic lesions in the intestines are mainly: degeneration of small intestinal epithelial cells, necrosis, oblong, short villi. In contrast, proliferation of intestinal lymphoid follicles, inflammatory cell infiltration in the intestinal submucosa.
Keywords: Lesion, gross, microscopic, diarrhea, PED.