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RISS 인기검색어
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- 저자 : 여영수 ( Y . H . Chiang (검색결과 18 건)
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Broiler 사료의 영양밀도 및 Zeolite 수준이 증체 , 영양소 이용율 및 혈액성상에 미치는 영향
장윤환,여영수 ( Y . H . Chiang,Y . S . Yeo ) 한국축산학회 1983 한국축산학회지 Vol.25 No.6
A factorial experiment was carried out to investigate the effect of two nutrition densities and three zeolite levels ( 0, 1.5 and 3.0 percent) on body weight gain, feed efficiency, nutrient utilization, mineral balance, serum characteristics and feed cost of broilers. The day-old Hubbard chicks were$quot; allocated to tripilcate of six treatments. The body weight gain of chicks was not influenced by zeolite level in diets of high nutrition density. However, an increasing body weight performance was recognized when increasing levels of zeolite were supplemented to the diets of low nutrition density, even though no significant difference was found among these treatments. Feed efficiency was improved by the addition of 1.5% zeolite to the ration with high nutrition density. However, similar efficiencies were recorded for chicks fed diets containing different zeolite levels and low nutrition density. The utilization efficiencies of proximate nutrients were highest for chicks receiving no zeolite. Similarly the utilization efficiencies of calcium, phosphorus, potassium and sodium were highest with diets containing no zeolite, whereas for magnesium, manganese and zinc the efficiency of utilization was highest for diets containing zeolite. The calcium contents of serum taken from chicks fed no zeolite were higher than those of treatments containing zeolite. There was no significant difference among phosphorus content of serum from any treatment. The level of alkaline phosphatase in serum from high nutrition density diets was higher than chicks fed low nutrition density diets, while in serum from chicks fed increasing levels of zeolite these levels increased in high nutrition density group, but not significantly. The reverse trend was recognized in low nutrition density treatment, also not significantly. The mean feed cost per Kg body weight gain of chicks fed ration with I.5% zeolite was lowest for treatments from high nutrition density diets and that with 3.0% zeolite was lowest in chicks fed low nutrition density diets. The high nutrition density diet cost more per unit gain of body weight than the low nutrition density diets.
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사료의 비타민 D2 및 D3 분석방법에 관한 연구 1 . 고성능 액체 크로마토그라프를 이용한 표준곡선 작성
장윤환,이선행,여영수,전진석 ( Y . H . Chiang,S . H . Lee,Yeoh,J . S . Cheon ) 한국축산학회 1986 한국축산학회지 Vol.28 No.8
This study was carried out as a preliminary step for analyzing the vitamin D₂ and D₃ in feedstuffs using HPLC. 1. Absorbance curve following the wavelength of UV light showed that the 264㎚ gave a maximum absorbance. 2. The mixed solution of 20 ppm vitaminD₂ and D₃ was injected in HPLC with μ Bondapak C_(18) column. The vitamin D₂ was resolved at 14.8 min. and D₃ at 15.4 min. after injection when eluted with 95% methanol + 5 % H₂O. 3. Varying amount of vitamin D₂ was injected into the column of μ Bondapak C_(18), and the detector 240 showed that the least detectable level was 5ng and that 5-100ng range brought a linear calibration curve. 4. When μ Bondapak column and 440 detector were used, 10-100ng range gave a linear standard curve. 5. When μ Porasil column and 440 detector were applied, 10-100ng range showed a linear calibration curve.
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Aflatoxin과 비타민$D_3$ 급여(給與)가 브로일러 병아리의 증체(增?), 영양소이용율(營養素利用率), 경골무기물(脛骨無機物) 및 혈청성상(血淸性?)에 미치는 영향(影響)
장윤환,전진석,여영수,Chiang, Yun Hwan,Cheon, Jin Seock,Yeo, Young Soo 경북대학교 농업과학기술연구소 1984 慶北大農學誌 Vol.2 No.-
Alfatoxin과 비타민$D_3$의 상호작용(相互作用)을 구명(究明)하기 위하여 브로이러 병아리 336수(首)를 8구(區)로 나누고 aflatoxin $B_1$을 0 또는 0.5 ppm, 비타민$D_3$를 0, 500, 1,000 또는 1,500 IU/Kg 급여(給與)하는 3주간(週間)의 $2{\times}4$요인시험(要因試驗)을 실시(實施)하였다. 증체량(增體量), 사료섭취량(飼料攝取量), 사료전환율(飼料轉換率), 정강이 색상(色相), 폐사율(斃死率) 및 각약증발생율(脚弱症發生率)에 있어서 각구간(各區間) 유의차(有意差)를 나타내지 않았다. 건물(乾物), 조단백질(粗蛋白質), 조지방(粗脂肪), 가용무질소물(可溶無窒素物) 및 조회분(粗灰分)의 이용율(利用率)에 있어서 각(各) 구간(區間) 유의차(有意差)를 나타내지 않았다. 조섬유(粗纖維)의 이용율(利用率)에 있어서 대조구(對照區)에 비(比)하여 aflatoxin 급여구(給與區)가 매우 낮은 값을 보였다(P<.01). 그러나 비타민$D_3$ 첨가수준간(添加水準間)에는 유의차(有意差)를 나타내지 않았으며 aflatoxin과 비타민$D_3$간(間)의 교호작용(交互作用)도 인정(認定)되지 않았다. Ca, P 및 Na의 이용률(利用率)에 있어서 각(各) 구간(區間) 유의차(有意差)를 보이지 않았으나 aflatoxin 급여구(給與區)의 Ca이용율(利用率)이 무급여구(無給與區)보다 약간 높았다. 탈지건조경골(脫脂乾燥脛骨)의 회분함량(灰分含量)은 각처리간(各處理間) 유의차(有意差)가 없었으나 Ca함량(含量)에 있어서도 aflatoxin 0.5 ppm구(區)에서 무급여구(無給與區)보다 더 많았으며(P<.05), 비타민$D_3$를 더 많이 급여(給與)할수록 조금씩 높게 나타났다. Aflatoxin과 비타민$D_3$가 경골내(脛骨內) Ca을 가속적(加速的)으로 증가(增加)시킨다는 것을 보여 주었다(P<.01). 그리고 P의 함량(含量)에 있어서도 aflatoxin 급여(給與)로 증가(增加)되었다(P<.05). 그러나 비타민$D_3$ 수준간(水準間)에는 유의차(有意差)가 없었으며 2요인간(要因間)의 교호작용(交互作用)도 없었다. Aflatoxin 급여(給與)는 Na함량(含量)에 영향(影響)을 주지 않았으나 비타민$D_3$ 수준간(水準間)에는 유의차(有意差)가 나타나(P<.01) 1,000 IU/Kg수준(水準)이 가장 높게 나타났다. 2요인간(要因間)의 교호작용(交互作用)은 인정(認定)되지 않았다. 혈청중(血淸中)의 Ca농도(濃度)에 있어서 aflatoxin 급여구(給與區)에서 매우 높게 나타났으며(P<.01), 유의성(有意性)은 없었으나 비타민$D_3$ 첨가수준(添加水準)이 높아질때 조금씩 증가(增加)되는 경향(傾向)을 보였다. 2요인간(要因間)의 교호작용(交互作用)이 인정(認定)되었다(P<.05). P의 함량(含量)은 각(各) 처리간(處理間)에 유의차(有意差)가 없었으며 Alkaline Phosphatase 역가(力價)에 있어서 aflatoxin 급여구(給與區)가 높은 값을 보였다(P<.01). 그리고 비타민$D_3$ 수준(水準)이 높아짐에 따라 조금씩 증가(增加)하는 추세(趨勢)를 보였으나 유의차(有意差)는 없었으며 Aflatoxin과 비타민$D_3$간(間)에는 교호작용(交互作用)이 없었다. A $2{\times}4$ factorial study was carried out to investigate the interaction of aflatoxin and vitamin $D_3$ in broiler chicks. The day-old 336 chicks were allocated to triplicate 8 treatments. The 0 or 0.5 ppm of aflatoxin $B_1$ (AFB) and 0, 500, 1,000 or 1,500 IU/Kg of vitamin $D_3$ (VD) were supplemented to the basal diet. There were no significant differences among treatments in respect to the body weight gain, feed intake, feed conversion, shank color, mortality and incidence of weak legs. The utilization efficiencies of dry matter, crude protein, ether extract, N-free extract and crude ash showed also no significant differences among treatments, respectively. The mean utilization efficiency of crude fiber in AFB group was lower than that in normal groups (P<.01). However, no significant difference was found among groups fed different levels of VD, and no interaction between AFB and VD was found. The utilization efficiency of Ca in AFB group was somewhat higher than that in normal group without statistical significance, and the similar values were found among groups fed different VD. The utilization efficiencies of P and Na were not significantly different among treatments, respectively. The tibia ash appeared to be similar among treatments fed different levels of AFB and VD. However, the Ca content in tibia of birds fed 0.5 ppm of AFB was higher than that of normal chicks (P<.05). The slightly increasing trend was shown in Ca contents when fed increasing revel of VD, and the interaction between AFB and VD was recognized(P<.01). The P content of tibia was increased by feeding AFB(P<.05). However, there was no significant difference among groups fed different level of VD and no interaction between AFB and VD in respect to the P content of tibia. Feeding AFB did not affect the Na content in tibia. However, there was a highly significant difference among groups fed different levels of VD(P<.01), the highest values were at 1,000 IU/Kg group, and the interaction between AFB and VD was not significant. The Ca content in serum of birds fed AFB was higher than in control group (P<.01). The Ca of serum increased when fed more VD, although no significance was found among groups, and there was an interaction between AFB and VD(P<.05). The P content of serum showed no significant difference among treatments. The alkaline phosphatase activity in serum of chicks fed AFB was higher than that of control group (P<.01). The enzyme activity increased slightly with increasing level of VD, however, there was no interaction between AFB and VD.
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Aflatoxin 과 비타민 D3 급여가 브로일러 병아리의 혈액 및 장기성상에 미치는 영향
장윤환,전진석,여영수 ( Yun H . Chiang,Jin S . Cheon,Young S . Yeo ) 한국축산학회 1986 한국축산학회지 Vol.28 No.6
This study was conducted to investigate the interaction of aflatoxin and vitamin D₃. The 336 broiler chicks (Hubbard) of mixed sex were allocated to triplicate 8 (2x4 factorial) treatment groups. The 0 or 0.5ppm of aflatoxin Bi (AFB) and 0, 500, 1,000 or 1,500IU/Kg of vitamin D₃(VD) were supplemented to the basal diet. After 3 weeks of feeding period the blood and organs were collected from 2 chicks of each sex per group. The Ca content in serum increased when AFB was fed (p$lt;01). The Ca of serum increased according to the increasing level of VD. However, no significant differences were found among groups fed different levels of VD. The interaction between AFB and VD was recognized (p$lt;05). The P contents of serum were similar among different treatment groups. The alkaline phosphatase activities in serum of chicks fed AFB were higher than those of non-supplemented group, those of chicks fed different levels of VD were not significantly different and any interaction between AFB and VD was not recognized. The weight of liver increased when fed AFB (p$lt;05). As the level of VD increased, the liver weight decreased, but no significance was found. The interaction of AFB and VD was not shown. The pancreas weight decreased when fed AFB (p$lt;05), those of chicks fed different levels of VD were similar, and no significant interaction was found. The spleen weights of birds fed different levels of AFB or VD were similar. The weight of non-fat dry tibia were increased by feeding AFB (p$lt;05) The total lipid content in liver increased when fed AFB (p$lt;05), but VD feeding showed no significant differences. However, the contents of phospholipid and total free fatty acid in liver were not significantly different among treatments. The mean total protein in liver of chicks fed AFB was lower than that of non-supplemented group, and that of chicks fed 1,500IU/Kg of VD was similar to that of non-supplemented group. However, the interaction of AFB and VD was shown (p$lt;01). The optical density at 510㎚ (violet color) of liver of birds fed 0 or 0.5ppm AFB were similar, but chicks fed 1,500IU/Kg of VD showed somewhat higher density than that of non-supplemented group (p$lt;05). The interaction between AFB and VD was recognized (p$lt;05).
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Aflatoxin B1 과 Vitamin D3 급여가 Broiler 병아리의 제3지열골 무기물 함량에 미치는 영향
장윤환(Y . H . Chiang),여영수(Y . S . Yeoh) 한국축산학회 1991 한국축산학회지 Vol.33 No.1
This study was conducted to investigate the interaction of aflatoxin B₁(AFB₁) and vitamin D₃(VD₃) in broiler chicks. The 336 broiler chicks(Hubbard line) of equally mixed sex were allocated to triplicate 8 (2×4 factorial) treatment groups. The 0 or 1 mg/kg of AFB₁ and 0. 500. 1,000 or 1.500 IU/kg of VD₃ were supplemented to the basal diet. Fourteen broilers of equally mixed sex were allocated to each replica and 24 groups were arranged in a randomized block design. After 3 weeks of feeding the middle toes cut at the joint between second and third bone from distal toenail were collected from the right and left legs of 4 chicks (2 for each sex) per group. The bone ash and minerals were measured. l. In respect to the non-fat dry weight of middle toe bone no significant difference was shown by feeding AFB₁ however, there was a decreasing trend of weight according to the increasing level of VD₃. 2. The ash, Ca, Na. Mg and Fe contents in non-fat dry middle toe of broiler chicks fed 1 mg/kg AFB₁ were decreased. The Ca content in middle toe was increased as fed increasing levels of VD₃. The 1500 IU/Kg of VD₃ was recommended to recover the damage of feeding AFB₁. 3. The Na content in toe was not changed according to the different levels of VD₃ However, the interaction between AFB₁ and VD₃ was recognized in respect to the Na concentration in middle toe(P$lt;.05). When chicks were fed 0 mg/kg AFB₁, the Na contents was decreased according to the increasing amount of VD₃. While 1 mg/kg AFB₁ was fed, an increasing figure was presented. 4. The Mg content was decreased following the increasing levels of VD₃(P$lt;.01), which showed reverse trend with Ca content. 5. The Fe concentration in middle toe was also decreased according to the increasing levels of VD₃(P$lt;.05). The interaction between AFB₁ and VD₃ was found(P$lt;.05). The Fe content was decreased following the increasing amount of VD₃ when fed 0 mg/kg AFB₁ while similar amounts of Fe in middle toe were shown according to the VD₃ feeding when fed 1 mg/kg AFB₁.
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