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Studies of Organic Forage Production System for Animal Production in Korea
김종덕,김종관,권찬호,Kim, Jong-Duk,Kim, Jong-Kwan,Kwon, Chan-Ho Korean Association of Organic Agriculture 2014 韓國有機農業學會誌 Vol.22 No.1
Organic forage production system is one of the most important aspects in organic livestock production. Animals in the organic farming system are also essential for manure to be used for organic forage production. Both organic forage and animals are essential to maintain the cycle of organic agriculture system. In this paper we introduce the organic forage production system in Korea. Summer and winter crops are getting popular in Korea because of their high forage yield and cultivation in double cropping systems. Common cropping system for forage production in Korea is the double cropping system with legume and grass mixture. Forage sorghum and sudangrass are the most popular ones of annual summer forage corps because of their high production with low cost in the double cropping systems. In the mixture of forage crops, inter cropping is more suitable in the corn and sorghum cropping system because of high lodging resistance and forage yield, and low weed population. Forage sorghum and sudangrass are difficult to preserve as direct-cut silage due to the fact that its high moisture content causes excessive fermentation during ensiling. Corn grain addition to sorghum silage could be recommended as the most effective treatment for increasing quality and reducing production cost. It is recommended that corn grain could be added up to 10% of total amount of silage. And agriculture by-products also can be added at the time of ensiling to minimize losses of effluent and have the additional advantage of increasing quality. Agriculture by-products as silage supplements increased DM content and quality, and decreased the production cost of sorghum silage. Field pre-wilting treatment of forage crops also increased DM content and quality of the silage. Wilting sorghum${\times}$sudangrass hybrid before ensiling was the effective method for reducing effluent and increasing pH and forage quality more than direct cut silage. Optimum prewilting period of sudangrass silage was 1 or 2 days. In organic forage, the most important factor is the enhancement of organic forage sufficiency in relation to the environmental-friendly and organic livestock. Consequently, there are many possibilities for animal production and organic forage production in Korea. No forages no cattle concept should be emphasized in organic farming system.
간-비장 결핵으로 인한 $Tc^{99m}$-Sulfur Colloid 주사의 결손상(8예 보고 및 문헌고찰)
김종덕 대한영상의학회 1983 대한영상의학회지 Vol.19 No.1
Primary hepatic tuberculosis is extremely rare, but liver and spleen involvement secondary to tuberculosis is frequent and of clinical importance, because of its demonstrability by biopsy. Complete absence of Tc99m-Sulfur Colloid uptake of spleen due to splenic tuberculosis has not been reported. We experienced one case of liver and spleen tuberculosis which revealed complete absence of Tc99m-Sulfur Colloid uptake in spite of huge spleen on ultrasonogram and angiogram, and 3 cases of primary-and 4 cases of secondary-hepatic tuberculosis. The findings of Tc99m-Sulfur Colloid liver-spleen scan of these 8 cases are reported with a review of the literature.
위절제술후 위공장문합부를 통한 위점막탈출증의 방사선학적 소견
김종덕 대한영상의학회 1984 대한영상의학회지 Vol.20 No.2
The radiologic findings of prolapsed gastric mucosa through gastrojejunostomy stoma after gastrectomy is very characteristic, but recurrent gastric cancer, retrograde jejunogastric intussusception and Hofmeister defect should be differentiated from it because of their similar postoperative upper gastrointestinal series findings. The author reports 3 cases of prolapsed gastric mucosa through gastrojejunostomy stoma after Hofmeister's gastrectomy with bref review of the literature.
김종덕 한국체육과학회 2007 한국체육과학회지 Vol.16 No.2
The Bone Mineral Density of 12 college women's Spine and Legs were mesured with Dual Energy X-ray absorptiometry(Lunar) to define the influence of Taekwondo training. They were divided into Taekwondo and control group, each comprising 6 women. The bone mineral density of the Spine and Legs were measured. The results were as follows.
金鍾悳 誠信女子大學校 1988 硏究論文集 Vol.27 No.-
When a body is acted upon by gravity, every particle of which it is composed experiences an attraction toward the earth. (Newton's law of gravitation). Occasionally, the center of gravity is refferred to as the "point-of-balance" of a body and it is either stated or implied that this is the point on which it is possible for it to be balanced or supported. The location of the center of gravity of a human body, at rest and in motion, has been the subject of much interest over the years and is of considerable significance in many analyses of sports techniques. Many methods have been devised to estimate the position of the center of gravity of a living human subject is that which involves the use of a so-called Reaction-Board. The purpose of this study was intended to estimate the position of the center of gravity of humanbody and to find the relationships between physique factors and height of center of gravity. 20women's college students were tested by Reaction-Board Mathod to estimate the position of the center of gravity. Physique factors(Standing Height, Weight, Chest Girth, Sitting Height) were checked. Coefficient of correlation of the factors was calculated according to the method of K. Pearson's calculation of coefficient of correlation. As the results of analyzing the data, the conclusions were made as follows. i) The mean (M) of the physique factor was 161.28±63㎝(H), 52.83±5.8㎏(W) 82.85±4.9㎝(C.G), and 88.63±2.6㎝(S,H) ii) The mean of the Height of Center of Gravity was 90.66±3.4㎝, and the ratio of H.C.G to Height was 56.22%, and the range was 55.01-57.00% ⅲ) Higher Correlation (r=,71) was found between H. and H.C.G. ⅳ) Lower Correlation ( r=40,) was found between W. and H.C.G., and (r=,32) between C.G and H.C.G. ⅴ) Moderate Correlation (r=,51) was found S.H and H.C.G.