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RISS 인기검색어
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- 저자 : 한인규 ( Chong Hyung Kwack (검색결과 2 건)
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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).
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메치오닌 및 라이신의 첨가로 인한 산란계용 대추사료의 단백질 절약효과
곽종형,김성겸,한인규 ( Chong Hyung Kwack,Seong K . Kim,In K . Han ) 한국축산학회 1981 한국축산학회지 Vol.23 No.4
To investigate the protein sparring effect of ㎗-methionine and ℓ-lysine on the egg type pullet ration, this experiment with a total of 288 Hisex strain pullets was carried out for a period of 8 weeks (15-22 weeks), 8 treatments of (1) control, CP l4%, (2) basal, CP 12%, (3) basal + lysine 0.1 %, (4) basal + lysine 0.2 %, (5) basal + methio;nine 0.1 %g (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 feeding trial. The obtained results were summarized as follows; 1. Body gain was higher in the basal treatment than in other treatments. However, there were no significant differences on body weight gain among treatments. 2. Birds fed the basal ration consumed less feed than birds fed the control ration and lysine and methionine supplemented ration. However, no significant differences were found on diet intake among treatments. Feed efficiency was more improved in the lysine + methionine 0.2% treatment than in other treatments. However, there were no significant differences on feed efficiency among treatments. 3. In the nutrients utilization, utilization of dry matter and crude protein was higher in the lysine 0.1 % + methionine 0.1 % and lysine 0.2% + methionine 0.2% treatments than in other treatments. 4. In the economical analysis, feed cost required for ㎏ body gain was lowest in the basal treatment and next in the lysine 0.2% and lysine 0.2% + methionine 0.2% treatments. Therefore, based on the results of this experiment, it is concluded that basal treatment (CP 12%) was most profitable among treatments during the period of pullet (I 5-22 weeks) and next in order of lysine 0.2%, lysine 0.2% + methionine 0.2% and lysine 0.1% + methionine 0.1 % treatments, respectively.
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