Application of Artificial Insemination Technology for Dairy Breeding in Mongolia

Hyun‐Tae Jo,Jong‐In Jin,Seong‐Su Kim,Byung‐Hyun Choi,Tumor Baldan,Jung‐Gyu Lee,Yun‐Shik Kim,Sam‐Churl Kim,Il‐Keun Kong 한국동물생명공학회(구 한국동물번식학회) 2011 발생공학 국제심포지엄 및 학술대회 Vol.2011 No.1

This study was focused on improvement of milk production in Mongolia dairy industry by artificial insemination (AI) technology, of which was supported from ODA project of KOICA in Republic of Korea. The study was started from January 2009 to present and 3rd years in this year. So, all data, especially synchronization and pregnancy of dairy cows (Holstein) will be summarized in final result in this year. For synchronization, total 81 dairy cows selected from 4 private farms that were 38, 30, 8 and 5 in Undarmal milk, Onjin (Enkhbayer), Jargalant, and BRM School, respectively. All the dairy cows were injected intramuscular (IM) of 5 ml PGF2α in the vulva and detected estrus 2 to 3 days after PGF2α injection. Total 78 out of 81 dairy cows (96.3%) were detected estrus by only 1 time injection of PGF2α. The dairy cows that were induced estrus, inseminated with 0.5 ml dairy frozen semen by conventional AI techniques. The pregnancy diagnosis of the AI dairy cows was detected by uterus palpation after 60 days of insemination. Total 75 from 78 inseminated dairy cows (90.1%) were diagnosis pregnant. The estrus induction and pregnant rate were very effective using PGF2α injection and conventional AI techniques in Mongolia dairy cow. The results indicated that AI after estrus induction in Mongolia dairy cows could be applied to dairy breeding technology to improve the breeding efficiency and milk production.

잣나무 交雜育種을 위한 基礎硏究 Ⅱ : 花粉發芽에 미치는 Agar, Sucrose 및 Raffinose의 濃度의 影響 Effect of Concentration of Agar, Sucrose, and Raffinose on the Pollen Germination

玄圭城,全尙根 경희대학교 부설 식량자원개발연구소 1987 硏究論文集 Vol.8 No.-

잣나무 交雜育種 내지 選擇育種에서 利用되는 人共交雜에 關한 基礎硏究의 一環으로 잣나무 花粉의 最適發芽條件을 究明하기 爲하여 人共培地를 利用, Agar, Sucrose 및 Raffinose 濃度를 달리하여 發芽試驗을 했든 바 다음과 같은 結果를 얻을 수 있었다. 1. Agar培地에서의 花粉發芽率은 0.5% 濃度에서 75.72%로 가장 높았으나, 培地造成時疑固가 안되는 關係로 花粉發芽力 調査를 위해서는 1.0%濃度(發芽率 67.4%)가 適當하며, 花粉管伸長에 있어서는 1.0%(花粉管伸長 170.5μm)와 1.5%(花粉管伸長 172.8μm) 濃度의 培地가 가장 適當하다. 2. 花粉發芽率에 最適한 Raffinose의 農道는 1.0%(花粉發芽率 81.7%)었으며, 花粉管伸長에 最適한 Raffinose의 濃度는 10%(花粉管伸長 183.7μm)였다. 3. 花粉發芽率 및 花粉管伸長에 最適한 Sucrose의 濃度는 15%(花粉發芽率 89.2%, 花粉管伸長 182.1μm)였다. This study was carried out to investigate the effect of different concentrations of agar, raffinose and sucrose on pollen germination rate and pollen tube elongation in Korean white pine (Pinus koruiensis Sieb. et Zucc.). The highest rate of pollen germination was obtained in the medium supplemented with 0.5% agar. However, because of the poor colloidal state of 0.5% agar, 1.0% agar was recommended for pollen germination and 1.5% for pollen tube elongation tests. The highest pollen germination rate of 81.7% was obtained in the medium with 1% raffinose and the best tube elongation of 183.7 pm was obtained in the medium supplemented with 10.0% raffinose. Sucrose concentration of 15% was found to be optimum for pollen germination as well as pollen tube growth.

수술을 시행한 치루환자 277예에 대한 분석

박현규,김한선 대한대장항문학회 1996 Annals of Coloproctolgy Vol.12 No.3

카오스 퍼지 보상 알고리즘을 이용한 전력수요 단기예측에 관한 연구

김현덕,추연규 진주산업대학교 2004 論文集 Vol.43 No.-

The estimation of electrical power consumption is becoming more important to supply stabilized electrical power recently. In this paper, we propose a supplied forecasting system of electrical power using Fuzzy Compensative Algorithm to estimate electrical load accurately than the previous. We evaluate a time series of supplied electrical power have the chaotic character using quantitative and qualitative analysis, compose a forecasting system by the maximum change rate(α) of Fuzzy Algorithm and compensative parameter. Simulating it for obtained time series, we can take more accurate results than the previous proposed system.

백금박막 RTD를 이용한 유속센서의 제조와 그 동작특성

서현미,장경훈,김영진,설철규 경북대학교 센서기술연구소 1997 센서技術學術大會論文集 Vol.8 No.1

A flow sensor for detecting the flow rate of a air, composing a substrate, a heating element, and one or two fluid temperature sensing elements disposed symmetrically around the heating element. Wherein resistence changes by a fluid temperature change and heating element is maintained at fixed level by the control of voltage that is applied to the heating element. The function of the heating element(microheater) is based on the self-heating effect of the resistor when current is applied to it. A airflow sensor is capable of accuritely measuring a air flow irrespective of changes in ambient temperature. Pt thin films were deposited by a DC magnetron sputtering with Ar/O_(2) gas mixtures. Due to the oxygen incorporation into the Pt films, deposition rate and resistivity of as-deposited Pt thin films increased with oxygen fraction in the sputtering gas.

관상정맥동과의 연결이 없는 좌상대정맥의 CT 소견 : 1예 보고 case report

백상현,박재성,이혜경,홍현숙,김대호,조준희,박성진,차장규 순천향의학연구소 2004 Journal of Soonchunhyang Medical Science Vol.10 No.2

A persistent left superior vena cava (PLSVC) is the most common thoracic venous anomaly. It is a persistent remnant of a vessel that is present as a counterpart of normal right-sided superior vena cava(SVC) in early embryological development but normally disappears later. Its diagnosis can be confirmed by many noninvasive and invasive tests, or it is incidentally diagnosed at insertion into the left subclavian or jugular vein or thoracic surgery. If it is not associated with other congenital cardiac anomalies, it is usually asymptomatic and hemodynamically insignificant. We describe the chest radiograph and CT findings of bilateral SVC with drainage to left superior intercostal vein, hemiazygos, azygos vein and right SVC, and no connection of coronary sinus.

국내 제화산업을 위한 종합정보시스템의 개발

김현규 公州大學校 工學硏究院 生産技術硏究所 2004 論文集 Vol.12 No.-

This paper presents a case study for web-based DB retrieval system for shoe industry in Korea. The system is designed according to the Software Engineering Methodology suggested by James Martin. The design encompasses both process modelling and data modelling. In particular, the data model is designed in the context of relational database system. User interfaces are designed according to WWW environment. Ultimately, the system is expected to be a network model to connect shoe industry, universities and research centers in Korea.

이족보행로봇용 통합개발환경의 구현 및 이동경로계획 알고리즘의 설계

조규현,김대원 明知大學校 産業技術硏究所 1995 産業技術硏究所論文集 Vol.14 No.-

In this paper, an integrated developing environment(IDE) for a biped robot is presented, through which a new path planning algorithm is designed. The IDE is composed of four modules, each of which is designed by using the object-oriented programming techniques. Four modules have the capability of gait control, path planning, mission-level language interpretation, and monitoring respectively. Also, each module exchanges its information each other through database. The new path planting a1gorithm is composed of an environment analysis algorithm and a path search algorithm, and is used in the IDE. In this paper, an extended visibility graph algorithm is proposed as the environment analysis algorithm and the A algorithm is used as the path search algorithm for the path planning of biped robots. Since the path planning a1gorithm is designed by using the object-oriented techniques and is also implemented within the IDE, it has a good adaptability to the changes of algorithm and construction, and also has a high reusability of the designed capabilities.

회전자형 위치센서를 갖는 스위치드 릴럭턴스 전동기의 속도 제어

최규하,최기원,장도현 건국대학교 1996 學術誌 Vol.40 No.2

This paper describes the practical implementation of switched reluctance motor drive for a wide range of operation speeds. Turn-on/off angle of phase switches and magnitude of current depend upon the speed and load variations. The angle controller is designed with one-chip microprocessor 8051 for various real time applications. Turn-on/off angle is controlled by timer/counter mode 2 of 8051. Position sensor for SRM drive consists of the rotor shaped slot-disc and opto-interrupter. Algorithm to control the speed of SRM with rotor type position sensor and to maintain the speed under the changed load is proposed. Experiments are executed to verify the proposed algorithm.

STD-11 와이어 컷 방전가공시 가공조건에 따른 북현상 고찰

조규재,김선진,조상현,김훈희 朝鮮大學校 機械技術硏究所 2000 機械技術硏究 Vol.3 No.2

From the experimental study of W-EDM for alloyed steel STD-11, the characteristics such as Hand Drum Form and surface roughness have been observed and evaluated for various conditions. In square hole, the increase of IP as to made condition, the calculate high value of surface roughness. Also compare dimensionless square hole with circle hole' graph. In circle hole, if a value of surface roughness IP 6 in a side of circle it show a 0.4㎛ and in IP 8, 0.6㎛, in IP 10, 0.7㎛, in IP 12, 0.8㎛ higher than before. This figure show the surface roughness is higher than before, because a table move in either X-axis or Y-axis in square hole, on the contrary, in circle there table move in X-axis and Y-axis at the same time, hand drum form getting small when wire tension increase 1000gf to 1500gf, at the same working conditions, the smaller of off time, the maller of hand drum form in same condition and same wire tension. but if you compare square hole with circle hole' graph, hand drum form displayed in maintained term of working condision, on the contrary, in case of square hole variation of hand drum form is more increase than a grow of IP