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RISS 인기검색어
- 검색키워드
- 저자 : 윤덕진 ( Chun S . Kim (검색결과 4 건)
- 무료
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사료자원 개발을 위한 연구 1 . 부로일러에 대한 해조류의 사료적 가치에 관한 연구
한인규,이봉덕,윤덕진,백인기,김춘수 ( In K . Han,Bong D . Lee,Doug J . Yoon,In K . Paik,Chun S . Kim ) 한국축산학회 1975 한국축산학회지 Vol.17 No.3
A total of 240 five-day-old Starbro broiler chicks was allotted to 4 treatments, 4 replica tes per treatment, according to completely randomized design to find out the effects of substitution levels(0, 2, 4 and 6%) of Korean kelp meal for wheat mill run on the growing performance of experimental birds. Results obtained are summarized as follows: 1. Kelp meals studied were analyzed for the contents of proximate compositions(moisture 15.24%, crude protein 12.84%, crude fat 1.97%, crude fiber 6.02%, nitrogen free extract 36.65%), vitamins, minerals and also for amino acids. It was found that protein quality of kelp meal was as good as wheat bran. 2. Although no significant difference was found among treatments in body weight gain, feed intake, feed efficiency and mortality, the birds fed 4% kelp meal diet showed the best performance in growth rate. 3. In the nutrients utilizability and ME values of finisher diets, no significant difference was found among treatments. 4. Based on these results described above, it seemed that substitution of wheat bran with kelp meal up to 6% level could be used without adverse effect in the broiler ration.
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사료자원 개발을 위한 연구 2 . 고열량사료로서 어유의 사료적 이용에 관한 연구
한인규,이봉덕,윤덕진,백인기,김춘수 ( In K . Han,Bong D . Lee,Doug J . Yoon,In K . Paik,Chun S . Kim ) 한국축산학회 1975 한국축산학회지 Vol.17 No.3
A feeding experiment was conducted employing 360 five-day-old broiler chicks of Starbro strain to evaluate the nutritive value of fish oil as a high energy feed. Birds were distributed to 6 experimental treatments, 4 replicates per treatment, consisting of non-lipid control, fish oil 5%, animal fat 5%, rice bran wax 5%, fish oil 10%, and, animal fat 10%. Results obtained are summarized as follows: 1. Linoleic acid content, one of the essential fatty acids, of fish oil was considerably lower (0.8%) than the other animal fats or vegetable oils. Animal fat and rice bran wax used in this study had their linoleic acid contents of 9.1% and 33.6%, respectively. 2. Only the birds fed diet containing 10% fish oil was significantly lower (p$lt;0.01) in body weight gain and consumed small amounts of feed. The birds fed diet containing 5% rice bran wax and control diets consumed more diets than any other groups. No differences in feed efficiency were noticed in all treatments. Mortality of the fish oil fed birds were much higher than the others. 3. The birds fed diets containing 10% fish oil or animal fat utilized dry matter and total carbohydrate poorly than the other chicks. With regards to nitrogen retention, rice bran wax group was the highest and fish oil groups were the lowest. The MEn value of 10% fish oil diet was significantly lower compared to the 10% animal fat diet. 4. With these results, it may be conducted that 5% or less of fish oil could be used in broiler rations because of the adverse effect in body weight gain and higher morality observed from the birds fed fish oil. Further study may be necessary for the use of fish oil or mixture of fish oil with the other animal fat, and to determine the proper level within 5% level in broiler rations.
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김춘수,한인규,윤덕진 ( Chun S . Kim,In K . Han,D . J . Yoon ) 한국축산학회 1975 한국축산학회지 Vol.17 No.2
A feeding trial was conducted to evaluate the feeding value of rice hull which was fermented by Kyongnam Ferment Feed Co. to increase its feeding values. Twenty five growing-finishing swines(crossbred of Landrace × Yorkshire) were randomly allotted to 5 treatment lots; they were control(commercial finisher feed), 25% fermented feed, 50% fermented feed, 75% fermented feed and 50% unfermented feed. The results are summed up as follows. 1. Crude protein and riboflavin content of fermented feed was higher than that of unfermented feed. On the other hand, NFE content reduced after fermentation and analysis result of reducing sugar content showed no fermentation effect. 2. Control and 25% fermented feed gained most and 75% fermented feed gained least while the 50% fermented feed and 50% unfermented feed were similar. Three groups were significantly different in body weight gain at 1% level. Increased feed intake of fermented feeds may be attributed to the increased palatability. Feed efficiency changed with tendency similar to body weight gain. 3. Carcass analysis result revealed no definite differences among the treatments except 75% fermented feed that showed the poorest carcass grade. 4. Digestibility of NFE was decreased while that of crude fiber was increased by fermentation. Digestible energy of fermented feed(866 ㎉/g) was a little higher than that of unfermented feed(807 ㎉/㎏). 5. The fermentation effect on rice hull seems not so great as to make the fermented feed available in large proportion for swine diet. However, the overall result of this experiment suggests that reasonable using level can be obtained within 20%.
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김춘수,이남형,한인규,하종규,윤덕진 ( Chun Su Kim,Nam Hyung Lee,In K . Han,Jong Kyu Ha,Duk Jin Yoon ) 한국축산학회 1976 한국축산학회지 Vol.18 No.3
The experiments were designed to evaluate nutritive value of whole sweet potato (root to stem and leaf ratio in 3 : 1), being pressed and sun-dried, for the pig grower. The potato was substituted with corn meal at the levels of 0, 10, 20 and 40% on air dried matter basis in the first trial. For the subsequent trial, the substitution level was extended to 60% basis. In the first feeding trial, overall growing performance including weight gain and feed efficiency, and the results of carcass analysis were not significantly different between the control and the potato groups. Nutrient digestibility of sweet potato was, however, inferior to that of the control group. The digestible energy value of potato sample was estimated as 2,678 ㎉/㎏. Contrarily, for the second feeding trial, the of reds of feeding the potato upon weight gain, feed efficiency and nutrient availability were somewhat decreased with increasing the level of potato but little significant difference was attained between the control and the groups of 40% potato feeding. The feed cost required per ㎏ weight gain for the potato groups of upto 40% feeding was tuned cut to be favorable over the control.
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