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계분의 사료가치에 관한 연구 1 . 육성돈에 대한 계분의 사료가치시험
안병홍,김윤환,안동원 ( Byung Hong Ahn,Yoon Hwan Kim,Dong Won Ahn ) 한국축산학회 1977 한국축산학회지 Vol.19 No.4
To investigate the nutritive value of dried poultry waste (DPW) in the growing pig ration, this experiment was carried out for 5 months from May 14, 1975 to October 13, 1975 employing 24 male pigs of Landrace × Birkshire crossbreed weighing an average of 16.7㎏. The level of dried poultry waste added to the growing pig rations was divided into 0, 10, 20, and 30%. The results obtained were as follow; 1. Average daily gain (ADG) of growing pig fed the rations added 0, 10, 20, and 30% of DPW was 597, 556, 553 and 491gm, respectively. Average daily gain of growing pig fed the rations supplemented 30% of DPM was significantly (P$lt;0.05) decreased compared with ADG of growing pig fed with the rations supplemented with 0, 10, and 20% of DPW. 2. Average daily feed intake (ADFI) of growing pig fed with the rations Containg 0, 10, 20, and 30% of DPW was 2290, 2295, 2366 and 2369gm, respectively. ADFI of growing pig fed with the rations Cotaining 20 and 30% of DPW was significantly (P$lt;0.05) higher than that of growing pigs fed with the rations containing, and 10% of DPW. Feed efficiency was progressively decreased as the level of DPW in the growing pig ration was increased. Feed efficiency of growing pig, fed with the ration containing 30% of DPW was significantly (P$lt;0.05) decreased in comparison with that of growing pigs fed with the rations containing, 0, 10, 20% of DPW. 3. In the economical analysis, feed cost required per ㎏ of body weight gain of pig fed with the rations containing 0, 10, 20 and 30% of DPW was 294, 291, 270, and 302 Won, respectively. Feed cost was decreased as the level of DPW was increased till the level of 20%. On the contrary feed cost was increased in the lot fed with 30% of DPW. 4. Date required 90㎏ of body weight after birth was progressively extended as the level of DPW was increased. The average date ranged from 180 to 190. Therefore, according to the results of this experiment, it was concluded that dried poultry waste was able to add till 20% in the growing pig ration.
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