山羊支原体肺炎的CT影像分析

doi:10.11843/j.issn.0366-6964.2021.05.027

Abstract

Abstract: The aim of this study was to investigate the characteristics of computer tomography images after Mycoplasma ovipneumoniae infection in goats. Twenty 1-year-old goats were randomly divided into the control group (n=5) and the experimental group (n=15). In the experimental group, mycoplasma pneumonia was artificially induced by intratracheal injection with 5 mL Mycoplasma ovipneumoniae standard strain IK3-3 (1×10⁷ CFU·mL^-1), the control group was injected with equal volume physiological saline. After inoculation, the clinical symptoms of the two groups were observed. At the same time, CT scan was performed on the chest at day 0, 7, 14, 21 and 28 after infection to analyze the characteristics of images. The goats were killed at day 29 after infection to observe the pathological and histopathological changes between the two groups. As a result, after successful infection, the experimental goats expressed obvious clinical symptoms of respiratory diseases, such as high temperatures, cough, serous and purculent nasal discharge. In the experimental group, CT images were mainly characterized by ground glass density shadow and mesh shadow, mostly in bilateral lobar lesions, preferably in the right anterior lobe. Interstitial pneumonia with bronchopneumonia was the main characteristic. In addition, air bronchogram was observed in severe group’s cases and thickened pleural was found in some cases. There was no significant difference before and after infection in normal group goats. It was suggested that CT technology was conducive for the early diagnosis of mycoplasma pneumoniae in goats and helpful to judge the outcomes.

Key words: goat, Mycoplasma ovipneumonia, pneumonia, computed tomography

CLC Number:

S854.7

JIANG Min, YAO Dawei, TIAN Rui, MAO Li, SHI Chaoying, LI Wenliang, ZHANG Wenwen, LI Jizong, YANG Leilei, SUN Min, YANG Deji, LIU Maojun. Computer Tomography Images Analyses of Mycoplasma Pneumonia of Goats[J]. Acta Veterinaria et Zootechnica Sinica, 2021, 52(5): 1414-1423.

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Computer Tomography Images Analyses of Mycoplasma Pneumonia of Goats

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