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직업교육 향상을 위한 애완동물 산업의 실태분석에 관한 연구
서국성,고기환,신정남 啓明專門大學 産業開發硏究所 2002 啓明硏究論叢 Vol.20 No.1
본 연구는 매년 크게 성장하고 있는 애견 산업의 분야별 특성과 자격증 제도에 대한 현황을 조사한 후 졸업생들의 취업지도를 활성화시키기 위하여 실시하였다. 취업에 필요한 기초자격증은 공인 트리머 자격증(1, 2, 3급. 교사, 사범)과 애견 구루머 자격증(1, 2, 3급, 교사, 사범)이 있으며. 그 밖에도 경비견 훈련사 자격증도 있다 보다 전문적인 자격증으로서는 Breeder자격증, Handler자격증 등이 있는데 학교에서 이론강의와 기초실습을 충실히 익힌 후 관련산업체에서 철저한 현장실습 수행과정을 이수하는 것이 필요한 것으로 조사되었다. This study was investigated the present condition on a certificates of qualification and characteristic of pet dog industry that it is greatly growing each year. in order to improve the employment of college graduates. The basic certificate of qualification for the employment are the official trimmer licensed(1, 2, 3 class, teacher and master) and pet groomer license (1, 2, 3 class teacher and master). There is also a certificate of the trainer of the guard dog. To obtain the these certificates of qualification, the study on the pet dog, that is lectures and basic practices at school and good teaching practice in grooming and trimming is necessary.
逆流浸降 電流法에 依한 돼지의 X-, Y-精子分離 關한 硏究
李用斌,呂政秀,鄭用基,尹種擇,徐國聖 서울大學校 農科大學 1980 서울대농학연구지 Vol.5 No.2
This experiment was carried out to separate X- and Y- bearing sperm of boar semen from 4 boars raising at the College of Agriculture, Seoul National University. The boar semen collected was treated by the counter streaming sedimentation and galvanization. The results obtained were as follows; Average appearance of B-body from control was 45.2%, when the experiment was performed with counter streaming sedimentation alone appearance of B-body from top and bottom fraction were 59.4% and 36.3%, respectively. The frequency of appearance of B-body from 30(24%) and 40(19.6%) minutes among treatments were statistically significant differences. Appearance of B-body from anode was 54% and from cathode was 37.9% after counter streaming sedimentation and galvanization. The difference between anode and cathode was significant differences at the 30(14.7%), 40(19.4%) and 50(19.9%) minutes. The frequency of appearance of B-body from counter streaming galvanization was significantly higher than that from counter streaming sedimentation. Therefore, the result from counter streaming sedimentation(30 minutes) and galvanization(30 minutes) was the most useful.