Pellet 사료에 관한 연구 제 9 보 Pellet 사료 ( 제조온도 70℃ ) 와 All - mash 사료가 Broiler 의 체조성에 미치는 영향

곽종형,한인규,이경산 ( C . H . Kwack,I . K . Han,K . S . Lee ) 한국축산학회 1974 한국축산학회지 Vol.16 No.2

To compare the effect of pelleted ration and all-mash ration containing isoprotein and isocalorie (20%-2650 ㎉/㎏) on the body composition of broiler chicks, this experiment was carried out. The results obtained were as follows: 1. There was no significant difference between pelleted ration and all-mash ration on the dry matter content of chicks. 2. In the body composition on wet or dried basis, chicks fed pelleted ration contained significantly (P$lt;0.01) more fat than those fed all-mash ration. On the other hand, the protein, ash and calcium contents were significantly (P$lt;0.01) higher in the chicks fed all-mash ration than in the chicks fed pelleted ration. 3. Female chicks contained significantly (P$lt;0.05) more fat than male but the contents of protein and calcium was significantly (P$lt;0.05) higher in the male chicks than in the female chicks. 4. However, phosphorus content of chicks on the wet basis was not affected by ration or sex of birds. On the dried basis, chicks fed all-mash ration contained significantly (P$lt;0.01) more phosphorus than chicks fed pelleted ration did. 5. Caloric value of the chick tissues fed pelleted ration was significantly (P$lt;0.01) higher than that of chicks fed all-mash ration on the wet or dried basis.

고령토의 사료적가치에 관한 연구 1 . 고령토의 첨가수준이 병아리의 사료효율및 경제생산에 미치는 영향

곽종형,안병홍,하정기,강대진 ( Chong Hyung Kwack,Byung Hong Ahn,Jeung Key Ha,Dae Jin Kang ) 한국축산학회 1979 한국축산학회지 Vol.21 No.2

This experiment was carried out to investigate the effect of kaolin supplementation from 1 % to 6 % on the performance of egg type chickens of babcock. The results obtained were as follows 1. Body gain of chicken fed the different levels of kaolin was not affected by the levels of kaolin supplementation. There was no difference on the body gain between control treatment and kaolin-supplemented treatments, and between kaolin-supplemented treatments. 2. Feed intake of chicken fed the different levels of kaolin was slightly increased as the levels of kaolin supplementation were increased. However, there were no statistical differences between treatments. 3. Feed conversion of chicken fed the different levels of kaolin was slightly decreased as the levels of kaolin supplementation were higher. However no statistical differences were found out on the feed conversion between treatments. 4. In the economical analysis, total feed cost was slightly higher as the levels of kaolin supplementation were higher. Feed cost required per ㎏ body gain was slightly decreased till the 3 % supplementation of kaolin and greatly increased above 4 % supplementation of kaolin. Feed cost of the kaolin-supplemented treatments was slightly higher compared with that of control-treatment.

메치오닌 및 라이신의 첨가로 인한 산란용 초생추 중추사료의 단백질절적효과

곽종형,한인규 ( Chong Hyung Kwack,In K . Han ) 한국축산학회 1980 한국축산학회지 Vol.22 No.3

To investigate the protein spraing effect of dl-methionine and 1-lysine, this experiment with a total of 288 egg laying chickens of Hi-Sex strains was carried out for a period of 14 weeks. Eight treatments of (1) control(starter ration: crude protein 20%, growing chickens ration: crude protein 16%), (2)basal starter ration: crude protein 18%, growing chickens ration: crude protein 14%). (3) basal+lysine 0.1%, (4) basal+lysine 0.2%, (5) basal+methionine 0.1 %, (6) basal+methionine 0.2%, (7) basal+lysine 0.1%+methionine 0.1%, (8) basal-lysine 0.2%+methionine 0.2% with 3 replicates were employed in this experiment. Metabolism trial was conducted at the end of starting and growing chickens feeding trials, respectively. The obtained results are summarized as follows: 1. Body gain was highest in the methionine 0.1%+lysine 0.1% treatment for starter chickens and next was in the methionine 0.1% treatment. In the growing chickens, the methionine 0.2% and methionine 0.1% treatments had the higher body gain than other treatments. 2. Diet intake was slightly lower in the lysine 0.1% and methionine 0.1% trey tments than in the other treatments for starter chickens. In the growing chickens, control and lysine 0.2% treatments consumed less feed than other treatments. 3. Feed efficiency was more improved in the lysine+methionine 0.1% and methionine 0.1% treatments than in the other treatments for starter chickens. In the growing chickens, control and methionine 0.2% treatment showed the better feed efficiency than other treatments. 4. In the nutrient utilization, methionine 0.1% treatment was the highest. among the treatments. This result was almost same with the result of feeding trial. In the growing chickens, lysine 0.1% treatment was the highest among the treatments. 5. In the economical analysis, the feed cost per kg body gain was less in the lysine 0.1% and methionine 0.1% treatment than in the control. The feed cost per ㎏ body gain of basal treatment was also less than control. Therefore, considering the body gain and meat production cost simultaneously, lysine 0.1% and methionine 0.1% treatments were most profitable among the other treatments. According to the results of this experiment, it may be concluded that supplementation of l-lysine and dl-methionine at the level of 0.1-0.2% which are generally known as two limiting amino acids in the starting and growing rations would be able to spare about 2% of dietary protein (4 % soybean oil meal or 3% fish meal).

반추영양 1 ; 우리나라의 사슴사육 모델 개발에 관한 연구 - 중부지방을 중심으로 -

곽종형,강대진,안병홍,황보종,송준익 한국동물자원과학회 ( 구 한국축산학회 ) 1993 한국축산학회 심포지움자료집 Vol.- No.-

Pellet 사료에 관한 연구 제10보 Pellet 사료의 제조온도가 Broiler 의 체조성에 미치는 영향

곽종형,한인규 ( C . H . Kwack,I . K . Han ) 한국축산학회 1974 한국축산학회지 Vol.16 No.4

To investigate the effects of pelleting temperatures (40, 55, 70, 85, 100℃) on the body composition of broiler chicks this experiment was carried out with 30 broiler chicks of 8 weeks old. The results obtained were as follows: 1. The content of dry mattes in the body of chicks was not affected either by pelleting temperature or set. 2. In the body composition on wet basis, male; chicks ted rations of the various pellet ing temperatures had significantly higher content of protein (p$lt;0.05), ash, calcium (p$lt;0.01) and phosphorus (p$lt;0.01) than female chicks. On the contrary, female chicks fed pelleted rations of the various pelleting temperatures had slightly higher content of body fat than male chicks. 3. In the body composition on dried basis, pelleting temperatures did not influence the deposit of nutrients in the chick bodies. However. body protein content was significantly (p$lt;0.05) higher in male chicks and body fat content in female chicks. On the other hand, content of ash, calcium and phosphorus in the body of boiler cricks were not affected by pelleting temperatures and by sex. 4. Calorific value of the chick tissues was not affected by pelleting temperatures. In the case of sex, calorific value of female chick v; as significantly (p$lt;0.05) higher than that of male chick.

반추영양 ; 사슴사육 모델개발에 관한 연구 - 농가소득증대를 위한 남부지방의 사육모델

곽종형,강대진,안병홍 한국동물자원과학회 ( 구 한국축산학회 ) 1991 한국축산학회 심포지움자료집 Vol.- No.-

양록의 세계화와 개방대응 방안

곽종형 한국양록협회 1995 양록회보 Vol.22 No.-

고구마 펠릿트 사료의 급여수준이 부로일러의 영양소이용율에 미치는 영향

곽종형,안병홍,한인규 ( Chong Heong Kwack,Beong Hong Ahn,In K . Han ) 한국축산학회 1976 한국축산학회지 Vol.18 No.5

This experiment was carried out to investigate the effect of different levels of pelleted sweet potato on the nutrients utilization of broiler chickens. The results obtained were summarized as follow: 1. The utilization of dry matter was slightly increased as the replacement level of sweet potato was higher. However, there were no statistical differences between treatments. 2. The utilization of crude protein in starter chickens(0-4 weeks) was slightly improved as the replacement level of sweet potato increased but that of growing chickens (5-8 weeks) was decreased as the substitution level of sweet potato increased. 3. The utilization of crude fiber for both starter and growing chickens was significantly (P$lt;0.05) decreased as the replacement level of sweat potato was increased. 4. The utilization of nitrogen free extract (NFE) was slightly improved as the replacement level of sweet potato was increased. On the other hand the utilization of crude fat was not affected by the level of sweet potato used in the broiler rations. 5. In the comparative utilization of nutrients between starter and growing chicken, the utilization of dry matter and crude fiber was higher for the growing chickens than for the starter. Crude protein was better utilized or the starter than for the growing chickens. However, utilization of crude fat and NFE was not affected.

아미노산 첨가수준에 따른 산란계용 사료의 단백질 절약효과

곽종형,강대진,고영두,하정기,한인규,김성겸 ( C . H . Kwack,D . J . Kang,Y . D . Ko,J . K . Ha,In K . Han,S . K . Kim ) 한국축산학회 1981 한국축산학회지 Vol.23 No.6

To investigate the protein sparing effect of DL-methionine and L-lysin on the laying hen ration, the present experiment with a total of 288 hens (Hi-sex commercial hens) was carried out for a period of 14 weeks (23-36 weeks). In this experiment 8 treatments ((1) control, CP 16%; (2) basal, CP 14% (3)basal +L-lysine 0.1% ; (4) basal+L-lysine 0.2% ; (5) basal+DL-methionine 0.1 % ; (6) basal+DL-methionine 0.2%; (7) basal+L-lysine 0.1%+DL-methionine 0.1 %; and (8) basal+L-lysine 0.2%+DL-methionine 0.2%) were employed. Metabolism trial was conducted at the end of feeling trial. The results obtained are summarized as follows; 1. The highest egg production was obtained from the group of basal+L-lysine 0.2%+DL-methionine 0.2% and the lowest from the group of basil +L-lysine 0.2%. But no statistically significant difference was found among all the treatments. 2. The heaviest egg weight was obtained from the group of basal+L-lysine 0.2%+DL-methionine 0.2% and the lightest was obtained from basal+L-lysine 0. 1%. But no significant difference was found among all the treatments. 3 . In feed intake, significant (p$lt;0.05) differences were found among treatment groups. Higher feed consumptions were generally resulted from the groups supplemented with L-lysine and/or DL-methionine. 4. Best, feed efficiency was obtained from control group, and the worst from the group of basal+L-lysine 0.1%+DL-methionine 0.1%. But no significant difference was found among all the treatments. 5. Nutrient utilization was not affected by supplementation with L-lysine and/or DL-methionine. 6. Feed cost per Kg egg mass production was in order of basal, basal +L-lysine 0.1%, basal+L-methionine 0.1%, basal+L-lysine 0.2%+DL-methionine 0.2%, control, basal+L-lysine 0.2%, basal+L-lysine 0.1%+DLmethionine 0.1%, and basal+DL-methionine 0.2%. Therefore, based on the results of this experiment, it is concluded that supplementation of L-Lysine and DL -Methionine at the level of 0.2% respectively with the basal ration(14% protein) would be able to spare 2% dietary protein.

경로당의 이용도, 여가활동 참여도, 활성화 정도와 생활만족도 간의 관계

곽종형 ( Jong Hyung Kwak ),최왕규 ( Wang Kyu Choi ) 한국사회복지경영학회 2016 사회복지경영연구 Vol.3 No.1

본 연구는 노인들이 인식하는 측정 변인 간의 차이를 분석하였고, 경로당 이용 현황, 경로당 여가프로그램 활용, 경로당 활성화 정도가 경로당 생활만족도에 미치는 영향 관계를 알아보고 경로당 발전 방안을 알아보았다. 배경변인 중 노인들의 경로당 이용 현황에 차이를 나타낸 변인은 병원에 가는 횟수이고, 경로당 활성화 정도에 차이를 나타낸 변수는 교통수단, 생활비 해결이었으며, 경로당 생활만족도에 차이를 나타낸 변수는 연령, 병원에 가는 데 걸리는 시간이었다. 농촌 노인의 경로당 이용실태, 경로당 여가프로그램, 경로당 활성화 정도가 경로당 생활만족도을 높이는 것으로 보아 노인들의 경로당 생활만족도를 높이기 위해서는 노인들의 경로당 이용실태, 경로당 여가프로그램, 경로당 활성화 정도를 높일 수 있는 연구가 진행되어 노인들의 변화되는 욕구를 반영할 수 있는 대안들이 모색되기를 기대한다. 본 연구에 의하면 노인들의 경로당 이용실태, 경로당 여가프로그램, 경로당 활성화 정도, 경로당 생활만족도에 영향이 많은 변인으로는 생활비 해결, 병원에 가는데 걸리는 시간, 병원에 가는 횟수, 교통수단, 함께 사는 이, 농사일 여부 등이 제시되었다. 이러한 변인에 맞추어 노인들의 경로당 이용해 관한 개선책이 찾아져야 할 것으로 생각된다. The purpose of this study was to examine the relationship of rural elderly people`s usage of senior centers, participation in leisure activities provided by senior centers, degree of program vitalization and satisfaction with lives in senior centers in an effort to suggest how to facilitate the development of senior centers in consideration of the regional characteristics of rural elderly people. Three research questions were posed: First, the background variable of the senior citizens that made differences to their usage of senior centers was a frequency of hospital visit, and the variables that made differences to the degree of program vitalization were means of transportation and whether they could afford to pay their living expenses or not. The variables that made differences to satisfaction with lives in senior centers were age and how long it took to get to the hospital. None of their background variables made differences to the level of senior center leisure activity participation. Second, the background variables that had a significant impact on their usage of senior centers were whether they could afford to pay living expenses or not, means of transportation and how long it took to get to the hospital. Third, the background variables that had a significant impact on the level of senior center leisure activity participation were a person whom they lived with, whether to do farmwork or not, and whether they could afford to pay living expenses or not, and means of transportation. Fourth, the background variables that had a significant impact on the degree of program vitalization were whether to do farmwork or not, whether they could afford to pay living expenses or not, how long it took to get to the hospital, and the frequency of hospital visit. Fifth, the background variables that had a significant impact on satisfaction with lives in senior centers were whether they could afford to pay living expenses or not, how long it took to get to the hospital, and the frequency of hospital visit. Sixth, their satisfaction with lives in senior centers was under the significant influence of their usage of senior centers, level of senior center leisure activity participation and the degree of program vitalization. Given the findings of the study, there are some suggestions on how to expedite the development of senior centers: First, in addition to consideration for the background variables, what formal measures should additionally be taken to boost rural elderly people`s usage of senior centers, their participation in senior center leisure activities, degree of program vitalization and satisfaction with lives in senior centers should carefully be devised. Second, it`s found that the rural elderly people`s usage of senior centers, their participation in senior center leisure activities and the degree of program vitalization was associated with their satisfaction level with lives in senior centers. Therefore how to boost rural elderly people`s use of senior centers, their participation in senior center leisure activities and the degree of program vitalization should discreetly be researched to raise their satisfaction level with lives in senior centers in response to their changing needs. Third, the variables that exercised a great influence on the elderly people`s usage of senior centers, their participation in senior center leisure activities, degree of program vitalizaqtion and satisfaction with lives in senior centers were whether they could afford to pay living expenses, how long it took to get to the hospital, the frequency of hospital visit, means of transportation, person whom they lived with, and whether to do farmwork or not. Accordingly, it seems required to find successful reform measures in consideration of these variables. Fourth, appropriate administrative and financial aid should be provided in accordance with the shifts of the times, the elderly`s changing needs and their preference so that they could lead a more satisfactory life through senior centers.