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Recombinant Bovine Somatotropin 투여가 한우의 성장 및 도체품질에 미치는 영향
홍병주(B . J . Hong),정지원(J . W . Jeong),성경일(K . I . Sung),여인서(I . S . Yuh),김종복(J . B . Kim),이병건(B . G . Rhee),장병선(B . S . Chang) 한국축산학회 1993 한국축산학회지 Vol.35 No.2
The effects of recombinant bovine somatotropin(rBST) on various characteristics of Korean native cattle were investigated to maximize increasing of meat productivity and economical profits. Twelve growing Korean native bulls were randomly assigned to rBST treatments of 0, 15㎎/d and 30㎎/d, per head for the period of 193-day long trial, and another 90-day long trial was followed by with four growing bulls to investigate the effect of rBST on carcass quality. The characteristics of interest were body gain, feed intake, body conformation measurements, carcass grades and economical traits. Average daily gain of rBST treated bull was increased by 11% compared with control. Feed intake did not affected by rBST administration, but feed effiency was improved by 7-14% to that of control due to daily body gain effect. rBST treated bulls were also increased body length, chest width, chest depth, chest girth and shank circumference. Back fat thickness and intermuscular fat content were decreased, and rib-eye area and meat production index value were increased when the bull was treated with rBST. Thus, the overall carcass quality was graded up in some extent and the economical profits were also elevated. The expected economic gain per bull by rBST treatment reaches 333,389 to 352,925 won.
진공-정전 열 접합을 이용한 FED의 Tubeless Packaging
주병권,이덕중,정지원,안준호,김훈,오명환 경북대학교 센서기술연구소 1998 센서技術學術大會論文集 Vol.9 No.1
Sotalime-to-sodalime glass electrostatic bonding was performed by using Si interlayer and its applicability was evaluated by panel capping of FED in vacuum environment. The bonding properties of the bonded sodalime-to-sodalime structure were investigated and Mo-tip FED was successfully vacuum-packaged by the developed bonding technology.