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전남지역(全南地域) 유우유방염(乳牛乳房炎)의 역학적(疫學的) 조사연구(調査硏究) 2. 유방염(乳房炎)의 간접검사법(間接檢査法) 응용성적(應用成績)의 비교검토(比較檢討)
나진수,Na, Jin Soo 대한수의학회 1975 大韓獸醫學會誌 Vol.15 No.1
In order to compare the diagnostic value of Modified California Mastitis Test (MCMT), Modified Whiteside Test (MWT) and Resazurin Reduction Test (RRT) using the direct microscopic leucocyte count (DMLC) as standard, a total of 739 quarter milk samples were examined. The results obtained were as follows: 1. Of the 739 samples, 24.4% had positive DMLC value (over 500,000 leucocytes per mI.), 32.6% positive MCMT reaction, 34.9% positive RRT reaction and 39.9% positive MWT reaction. 2. The identical ratings of the three mastitis screening tests with DMLC values were 60.7% (MWT), 61. 8% (MCMT) and 72.1% (RRT). 3. The mean reaction values of the predicted mastitis screening tests were $1.09{\pm}0.01$ (MWT), $1.12{\pm}0.06$ (MCMT) and $1.25{\pm}0.40$ (RRT). The efficiency ratings of them were 34.8% (MWT), 49.3% (RRT) and 55.0% (MCMT) respectively.
돼지의 先天性 畸型에 關한 硏究 : Ⅰ.畸型發生 原因의 分析 1. Investigation of Cause of Deformity
羅鎭洙 全南大學校 農漁村開發硏究所 1977 農業科學技術硏究 Vol.12 No.-
Breeding work was conducted between December 1975 to March 1977 in order to determine the cause of the congenital deformities of piglets produced at a pig-farm in Naju gun, Jeonnam province. The results obtained were as follows; All 28 deformed piglets were farrowed only from sire-daughter mating and full-sib mating. The kinds of visible deformities of 28 deformed piglets were hare lip, cleft palate, deformed rear quarter, muscle contracture, wry tail and poly-dactily etc. Also of 28 deformed piglets, 21 were anomalies and 7 were monsters. It is suggested from the results of breeding work that the cause of the deformities has a complex genetic basis and involves some abnormality of cellular physiology.
羅鎭洙 전남대학교 한국농어촌개발연구소 1973 농산어촌개발연구 Vol.7 No.-
Uterine tumor was found in a 3-year-old, white, female Spitz dog. The tumor was located io the anterior portion of the body of the uterus. Histologically, it was epithelioid leiomyoma. The dog recovered after ovariohysterectomy was performed.
전남지역(全南地域) 유우유방염(乳牛乳房炎)의 역학적(疫學的) 조사연구(調査硏究) 1. 원유중(原乳中)의 세균수(細菌數) 및 유방염검진(乳房炎檢診)
나진수,강병규,Na, Jin Soo,Kang, Byong Kyu 대한수의학회 1975 大韓獸醫學會誌 Vol.15 No.1
A total of 119 raw milk samples from ten dairy farms were examined for total bacterial count, and 739 quarter milk samples of 118 dairy cows of 14 herds were examined for mastitis. The results obtained were as follows: 1. The mean of total bacterial counts of the 119 raw milk samples was 132,000 per ml. The total bacterial counts of 81 samples (68.1%) were under the standard of 100,000 per ml and those of the 38 samples (31. 9%) were over the standard. The number of bacteria showed a tendency to increase in summer. 2. One hundred and ninety five quarters (26.4%) of 98 cows (52.7%) were proved to be infected with mastitis. Clinical mastitis was found at 7 qtarters (3.5%) of 5 cows (5.0%). 3. Staphylococcus (44.9%) and Streptococcus (26.7%) were two main causative organisms of mastitis. Coliform bacteria (4.6%), Pseuedomonas spp. (4.6%), yeasts (1. 3%) and corynebacterium sp. (0.7%) were also isolated from the infected quarters. 4. The isolates were more sensitive to chloramphenicol ((96.1%), leukomycin (78.8%), streptomycin (75.5%) and tetracycline (72.4%). On the other hand, they were less sensitive to colistin (11.0%), oreandomycin (18.1%), sulfisoxazole (24.6%), penicilline (27.6%), kanamycin (43.3%) and erythromycin (49.7%). Especially the strains of Pseudomonas spp. isolated from the infected quarters were resistant to almost all the drugs examined.
나진수,Na, Jin-Su 대한양돈협회 1990 養豚 Vol.12 No.7
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