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반추가축영양 : 한우 거세우의 비육후기 사료 형태에 따른 사양성적, 도체특성 및혈액성분 변화
조웅기 ( Woong Gi Cho ),이신자 ( Shin Ja Lee ),고영현 ( Young Hyun Ko ),장인석 ( In Surk Chang ),이성실 ( Sung Sill Lee ),문여황 ( Yea Hwang Moon ) 한국동물자원과학회(구 한국축산학회) 2013 한국축산학회지 Vol.55 No.5
To develop a diet for Hanwoo steers during the late fattening phase, three different feeding treatments were investigated: a group fed concentrate and rice straw separately(Formula feed), a group fed TMR during the whole late fattening period(TMR), and a group fed TMR plus concentrate(Formula-TMR). Thirty Hanwoo steers 20 months of age(average body weight=445kg) were allotted by a completely randomized design into three treatment groups(ten steers in each group). The impact of these treatments on the performance, carcass traits, and blood composition related to body fat synthesis was assessed. The average dry matter and TDN intake were greater in Formula-TMR compared to other treatments(p<0.05); however, body gain, carcass weight, meat production index, and fat color were not affected by dietary type. Blood characteristics, such as concentrations of retinol, insulin, and leptin were not affected by any of the treatments; however the marbling score of the longisimus muscle was significantly higher in Formula-TMR(p<0.05), which was relatively high in blood leptin concentration. The muscle texture, meat quantity index, and meat quality index were highest in the Formula feed, TMR, and Formula-TMR, respectively(p<0.05).
바이오가스 프랜트에서 혐기 소화시킨 돈사 Slurry의 화학적 특성 및 배추생육 시용효과에 관한 연구
정찬성,박정근,노안성,조웅기,이성실,문여황,Jeong, Chan-Seong,Bak, Jeong-Geun,Roh, Ahn-Sung,Cho, Woong-Gi,Lee, Sung-Sill,Moon, Yea-Hwang 한국축산환경학회 2014 한국축산시설환경학회지 Vol.20 No.3
This study was conducted to investigate the effects on chemical properties of soil and yield of chinese cabbage when the piggery liquid slurry (ADS) digested anaerobically in the biogas plant was sprinkled to the soils. Treatments were composed of non-nitrogen plot (PK), chemical fertilizer plot (NPK) and ADS plot, and were arranged by randomized block design with 3 replications. The ADS was an alkali (pH 8.6) fertilizer containing 0.55% of total nitrogen, optimal levels of phosphorus, potassium and other components. When based (100%) on the yield of chinese cabbage in the NPK, those of the ADS and the PK were 114% and 43%, respectively. The nitrogen absorption of chinese cabbage at 50-d after transplant was significantly greater (p<0.05) in the ADS than other treatment. Heavy metal contents of soil were not difference between before and after experiment. With supplementing phosphorus and potassium sources in it, the ADS should be an excellent fertilizer in cabbage culture.