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采集4只患慢性营养不良综合征大熊猫的血液、粪便和结肠黏膜分别开展包括血液学、细菌学、病毒学、寄生虫学和病理组织学领域的检测,旨在找到大熊猫慢性营养不良综合征的发病原因。研究结果显示:(1)明显的嗜酸性粒细胞血症(4/4);(2)未检出相关致病性病原;(3)结肠黏膜病理组织学检查:黏膜固有层几乎无法看到正常状态所见中性粒细胞和淋巴细胞,淋巴管明显增大且淋巴管内有很多黏液,黏膜上皮完整、肠腺大小未见改变,黏膜固有层大量结缔组织增生。据血液学、病原学和结肠黏膜病理组织学检查结果,并结合野生大熊猫食性特点和圈养大熊猫人工精饲料的配方组成,推断大熊猫慢性营养不良综合征与人工精饲料中的动物性蛋白质密切相关。
Collecting blood, feces and colon mucosa of 4 giant panda suffering from chronic dystrophic syndrome to carry out tests in the fields of hematology, bacteriology, virology, parasitology and histopathology, respectively, in order to find out the giant panda chronic malnutrition syndrome Symptoms of the etiology. The results showed that: (1) obvious eosinophilia (4/4); (2) no relevant pathogenic pathogens were detected; (3) histopathology of colonic mucosa: the lamina propria was barely visible Neutrophils and lymphocytes seen in normal state, significantly increased lymphatic and lymphatic vessels have a lot of mucus, mucosal epithelium intact, no change in the size of the intestinal gland, mucosal lamina propria a large number of connective tissue hyperplasia. According to hematology, etiology and colonic histopathological examination results, combined with the characteristics of wild giant panda feeding and the composition of captive giant panda artificial feed formula, concluded that panda chronic malnutrition syndrome and animal feed protein in animal feed closely related.