Nghiên cứu bệnh sán dây Moniezia trên dê gây nhiễm tại tỉnh Bắc Giang

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Tác giả:

Ngôn ngữ: vie

Ký hiệu phân loại:

Thông tin xuất bản: Tạp chí Khoa học kỹ thuật Thú y, 2019

Mô tả vật lý: tr.80

Bộ sưu tập: Báo, Tạp chí

ID: 312785

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Experimental infection with tapeworm Moniezia spp. for goats in order to identify some characteristics of the monieziosis was carried out in Bac Giang province. The studied results showed that the goats were infected with tapeworm Moniezia spp. having the clinical signs, such as: thin, fuzzy hair, diarrhea or loose stools, excreted feces with many burning flukes, many mucus in the stool, abdominal distention, neurological symptoms. The result of examining 3 goats after infection showed that there were 13 - 15 tapeworms/goat with the gross lesions, such as: intestinal inflammation, hemorrhage, obstruction, necrosis, intestinal mucosa peeling, liver swelling, heart accumulating water, lung inflammation. Study on the histological lesion slices indicated that the intestinal villi were peeled, degenerated, eosinophilic infiltrates, intestinal villi were broken, proliferative intestinal glands
intestinal slice presented tapeworm, degenerative vacuole on some hepatocytes and percutaneous venous congestion in the liver, with edema and inflammatory fluid in the bronchus and edema in alveolar lumen, lymphocyte proliferation, inflammatory cell infiltrates in the bronchial wall, bronchial epithelial cell degeneration, peeling, erythrocytes were destroyed in the vascular at the heart.Gây nhiễm sán dây Moniezia spp. cho dê để xác định một số đặc điểm của bệnh đã được thực hiện tại tỉnh Bắc Giang. Kết quả nghiên cứu cho thấy, dê gây nhiễm sán dây Moniezia spp. có triệu chứng: gầy, lông xù, tiêu chảy hoặc phân nhão, phân thải ra có nhiều đốt sán, trong phân có nhiều dịch nhày, chướng bụng, có triệu chứng thần kinh. Mổ khám 3 dê sau gây nhiễm đã phát hiện được 13 - 15 sán dây/dê với những tổn thương đại thể như: viêm, xuất huyết ruột, tắc ruột, hoại tử ruột, niêm mạc ruột bong tróc, gan sưng, bao tim tích nước, phổi viêm. Trên tiêu bản vi thể, những biến đổi đã quan sát được bao gồm: lông nhung ruột bị bong tróc, thoái hóa, thâm nhiễm bạch cầu ái toan, lông nhung ruột bị đứt nát, tuyến ruột tăng sinh
lát cắt ruột có sán dây, thoái hóa không bào trên một số tế bào gan và sung huyết tĩnh mạch quãng cửa tại gan, có dịch phù lẫn dịch viêm trong lòng phế quản và dịch phù trong lòng phế nang, tăng sinh bạch cầu lympho, thâm nhiễm tế bào viêm tại thành phế quản, tế bào biểu mô phế quản bị thoái hóa, bong tróc, hồng cầu bị phá hủy trong mạch quản tại tim.

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