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면양에 있어서 옥수수의 입자도가 사료의 반추위내 통과속도 , 단백질과 건물의 분해 및 소화율에 미치는 영향
문태현,육종륭,하종규,한인규 ( Tae H . Moon,Jong Y . Yuk,Jong K . Ha,In K . Han ) 한국축산학회 1986 한국축산학회지 Vol.28 No.11
The effect of different particle sizes of corn on the rate of outflow, degradations of dietary protein and dry matter, and digestibility in sheep was studied, Six adult sheep weighing about 50㎏ were used. The animals were fitted with rumen canula and individually maintained in metabolism cages. All the animals were fed, at a maintenance level, a basal diet of 70% concentrates and 30% rice-straw pellets twice daily at approximately 12-hour intervals and had free access to water. Two different particle sizes of corn (1. 68-2. 38㎜ and 0. 8411.19㎜) were labelled with sodium dichromate and a 50g of the mordanted corn was introduced as a single dose via rumen canula. The rate constants (k) and retention time were calculated. Nylon bag techniques were conducted to measure degradations of protein and dry matter of the particles, and digestion coefficients were measured using the total collection method. The results obtained are summarized as follows: The stability of the corn mordanted with sodium dichromate as an indicator was inconclusive bemuse of the various DM losses (3.32% to 8.54%) according to the particle and incubation conditions. The rate of outflow (k) of the small particles (0.0359h^(-1)) was higher than that of the large particles (0.0251h^(-1)) and retention time was shorter for the small particles (27.8 hrs) than that for the large particles (44.6 hrs). When both small and large particles were incubated at 0,3,6,12,24,36 and 48 hours, DM disappearance of the small particles at 0,3,6 and 48 hours was higher, showing 8.4, 13.5, 16.0 and 64.0?%, respectively, than those of the large particles, 5.8, 9.6, 11.7 and 54.2%, respectively. No significant differences were observed at the other incubation times. There was no significant difference in protein disappearance between the small and large particles, but at 0 time incubation, the protein disappearance of the small particles (13.4%) was significantly higher than that of the large particles (7.6%). Digestion coefficients and ruminal pH were not affected by the different particle sizes.
Neuroanatomical studies on the mechanism of scalp acupuncture therapy using the pseudorabies virus
이태영,이창현,이상룡,육상원,이광규,육태한,Lee, Tae-Young,Lee, Chang-Hyun,Lee, Sang-Ryoung,Yuk, Sang-Won,Lee, Kwang-Gyu,Yuk, Tae-Han Korean AcupunctureMoxibustion Medicine Society 2000 대한침구의학회지 Vol.17 No.2
본 실험은 pseudorabies 바이러스 (PRV) 의 Bartha strain 을 안면신경의 측두지, 하지를 지배하는 신경 (좌골신경) 및 상지를 지배하는 신경 (요골, 척골, 정중신경) 에 주입한 후 4 일간의 생존시간이 경과한 후 척수와 뇌를 적출하여 동결절편을 제작한 후 면역조직화학적 염색기법과 X-gal 조직화학 염색법을 시행하여 염색된 신경세포체를 척수와 뇌에 투사된 공통영역을 관찰하고 두침의 영역중 하나인 운동구와 사지와의 관계에 대한 실험적 증거를 제시하고자 시행하였다. 위의 실험에서 얻어진 결과는 아래와 같다. 1. 안면신경의 측두지, 하지를 지배하는 신경 (좌골신경) 및 상지를 지배하는 신경 (요골, 측골, 정중신경) 에서 투사된 공통된 영역은 척수에서 경수의 층판 1-IV, 흉수의 intermediolateral nucleus(IML), dorsal nucleus(D) 및 층판 X, 요수의 층판 IV, V, 천수의 층판 IV, V, IX, X 등의 영역에서 관찰되었고, 뇌줄기에서는 caudoventrolateral reticular nucleus(CVL), nucleus solitary tract(Sol), rostroventrolateral nucleus(RVL), area postrema(AP), raphe nuclei(raphe pallidus, raphe obscurus, raphe magnus), inferior olivary nucleus 의 등쪽부분 (gigantocellular reticular nucleus, Gi), Kolliker-Fuse nucleus(KF), central gray(CG), dorsal raphe nucleus (DR) and A5 영역에 표지된다. 또한 paraventricular hypothalamic nucleus(PRV) 와 lateral hypothalamic reticular nucleus(LH)에서도 관찰되고 locus coeruleus(LC) 와 subcoeruleus nuc!eus(SubCA) 에서도 관찰된다.
토사자(兎絲子) 약침(藥鍼)이 자연발증(自然發證) 고혈압(高血壓) 백서(白鼠)의 혈압(血壓)에 미치는 영향(影響)
유윤조,한정우,육태한,이호섭,Yu Yun-Cho,Han Jeong-Woo,Yuk Tae-Han,Lee Ho-Sub 대한침구의학회 1998 대한침구의학회지 Vol.15 No.2
The aim of the experiments was to investigate the effect of Semen Cuscutae aqua-acupuncture at the meridian point BL 20(脾兪) and BL 23(賢兪) on the blood pressure, plasma renin activity, plasma levels of aldosterone and atrial natriuretic peptide (ANP) in spontaneously hypertensive rats (SHR). The results of this study were as follows: 1. Systolic blood pressure was decreased significantly after Semen Cuscutae aqua-acupuncture at the meridian point BL 20, BL 23. 2. Plasma renin activity was increased significantly after Semen Cuscutae aqua-acupuncture at meridian point BL 23, BL 20. 3. Plasma levels of aldosterone was increased significantly after Semen Cuscutae aqua-acupuncture at the meridian point BL 20. 4. Plasma levels of atrial natriuretic peptide (ANP) was increased significantly after Semen Cuscutae aqua-acupuncture at the meridian point BL 23, but it was decreased significantly after Semen Cuscutae aqua-acupuncture at the meridian point BL 20. These results suggest that the changes of the depressor response after Semen Cuscutae aqua-acupuncture at the meridian point BL 20, BL 23 are related to the changes of the plasma renin activity, plasma levels of atrial natriuretic peptide (ANP) and aldosterone.