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표고 재배(栽培) 폐재(廢材)의 사료화(飼料化)에 관(關)한 연구(硏究)
김법회,이택원,민두식,김내수,Kim, Bub-Whoe,Lee, Teck-Won,Min, Du-Sik,Kim, Nae-Soo 한국목재공학회 1978 목재공학 Vol.6 No.1
In order to determine the feeding value of t:1e waste wood of Lentinus eddodes, the waste wood was milled and treated with $Ca(OH)_2$ and cellulase, then raw waste wood and the treated waste wood were fed to broiler chicken and Korean native goates. The results obtained were as follows; 1. The chemical composition of the waste wood was c. protein 2.26%. c. fat 2.57%. c. fiber 44.60 and c. ash 5.58%. No differences were detected between the raw waste wood and $Ca(OH)_2$ or cellulase treated waste wood in chemical composition. 2. In amino acid composition. no cystine and methionine was showed, but trace amount of Vitamin A, $B_1$, and $B_2$, and cholin chloride were detected. 3. Trichoderma viride SANK. No. 16374 was used to decompose the cellulose. 4. In broiler performance, when waste wood meal was subsituted for 5% wheat bran, no adverse effect was showed on weight gain, feed in take and feed efficiency. But $Ca(OH)_2$ and cellulase treated waste wood meal could be subsituted for 8% wheat bran. 5. In Korean native goat performance, feeding waste wood meal subsituted by 50% various bran (25% defatted rice bran and 25% barley bran) had no adverse effect on growth and feed efficiency. 6. Considering the above results, though the waste wood meal could be replaced to part of various bran, there was a bottle-neck to process the waste wood. The waste wood of Lentinus edodes was little feeding value on bed of ruminant.
사료자원 개발에 관한 연구 ( 효모에 의한 발효우분의 사료화에 관한 연구 )
김법회,이택원,김내수 ( Bub Hoe Kim,Taeck Won Lee,Nae Soo Kim ) 한국축산학회 1979 한국축산학회지 Vol.21 No.6
As a series of the research for converting animal excreta into feedstuffs, feed substitutes by fermenting cattle waste was processed as follows: Active Dry Yeast and Yellow Koji were purchased at market, from which strains were separated. Dried cattle wastes mixed with same amount of corn flour were boiled with steam, inoculated with Active Dry Yeast and Yellow Koji, fermented at 30℃ for 48 hours and then dried in shade. In order to observe the optimum level of this feed substitute for mixed brans (barley bran and wheat bran was mixed at same rate in weight), 16 heads of rearing fattening piglets (12 of Landrace and 4 of tri-hybrids) were fed 4 different levels of experimental feed, such as 0, 10, 20 and 30 % by weight, for 4 months. The results obtained were summarized as follows: 1. Active Dry Yeast was classified as Saccharomyces cerevisiae and Yellow Koji as Aspergillus oryzae. 2. One gram of experimental feed was contained 5 to 6 × 10^9 cells of yeast. 3. Comparing the contents of raw cattle waste, the fermented experimental feed was shown increasing value of crude protein, crude fiber and crude ash while nitrogen free extract was decreased. 4. Fermented cattle waste contained more amino acid than that of raw material, especially lysine, methionine, histidine and arginine were doubled. 5. The weight of raw material was reduced by 5 - 6% during the process of fermentation. 6. During the first half period of fattening, substitution with experimental feed showed no bad effects upon fattening up to 30%. However 20 or 30% substitution of experimental feed showed remarkable decreasing value of body weight gain (p$lt;0.01) during the later half period of fattening. 7. No significance difference was observed in the amount of feed intake among the experimental lots. This seem to he that the fermented cattle waste had fair palatability for pig. 8. 10% substitution of experimental feed was observed better feed efficiency than that of control, bat 20% or 30% substitution was worse than control. Considering the above results, the fermented cattle waste could be substituted for various bran during the first period of fattening up to 30%, and later half period by 10%.