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全北 地方 韓牛의 肝蛭 感染率 및 肝蛭症의 病理學籍 所見에 關한 調査 硏究
李宰求,林秉武,韓斗錫 전북대학교 농업과학기술연구소 1973 農大論文集 Vol.4 No.-
In order to survey the infection rate of Fasciola spp. 2,505 Korean cattle from Jeonbug District were tested by means of skin reaction, and 33 morbid livers of naturally infected Korean cattle with Fasciola spp. butchered at Jeonju abattoir were observed pathologically. The results of the studies are as follows : 1.As many as 782(31 4%) out of 2,505 Korean cattle were naturally parasitized with Fasciola spp and regional ranges of infection ratio were great(19.2-80%). 2, Adult cattle revealed higher infection rate than youg but no outstanding difference was observed between male and femle. 3. It was generally observed that severe atrophy of the left lobe and less severe form of caudate process was coupled with compensatory of the right one. 4. The hypertrophy and expansion of the bile ducts of which some were made visible like branches of a tree, were mostly found in the left lobe, and mucosae of the bile ducts became affected with calcareous infiltration in the serious cases. Changes of the bile ducts did not accord with infection rate of Fasciola spp. 5. The bile ducts revealed fibrosis, adenomatous proliferation of thick mucosae, and degeneration and desquamation of the epithelium. 6. Proliferation of connective tissue which led to Pressed atrophy of Parenchyma tissue was clearly observed in Glisson's sheath, Peribile duct, and interlobular tissue, along with infiltration of eosinophil and Iymphocyte.
Sulfamonomethoxine이 닭의 精巢에 미치는 影響
林秉武,李浩一,韓斗錫 전북대학교 농업과학기술연구소 1975 農大論文集 Vol.6 No.-
In order to investigate the effects of sulfamonomethoxine on the testis of the chicken, 24 healthy Leghorn corronial roosters (65 days old) were seltected at random and their initial mean body weight was 766g. The chicks used in this work were allotted to two groups. Chicks and the other were administered suifamonomethoxine of 25mg/kg/day for 12 weeks. The results obtained in this work are summerized as follows : 1. Mean body weights of both groups manifested similar incereasing tendency through the experimental term Weights of testes of experiments were decreased in both the 2nd and the 4th weeks but week increased after the 8th week compared with those of controls. 2. The sizes of seminiferous tubles of experiments were decreased significantly from the 8th week compared with those of controls. 3. The apearance of distburbance in spermatogenesis was indicated by the facts that mitosis, spermatids and spermatozoa disappeared and degenerated spermatocytes were visible. 4. Leydig celles of experiments showed diminished sudanophilic granules on the 2nd week and disappeared on the 4th week and disappeared on the 4th week, and leyding cells containing fine sudanophilic granules increased in number after the 8th week gradually. Leydig cells of controls decreased as the experimental term prolonged.