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cold temperature
相关语句
  低温
    Expression of PKCα in Pulmonary Arterioles and Its Association with Pulmonary Vascular Remodeling in Broilers with Pulmonary Hypertension Induced by Cold Temperature Exposure
    低温诱导的肺动脉高压肉鸡肺细小动脉PKCα表达变化及其与肺血管重构的关系
短句来源
    The results showed as the follows:(1)In cold temperature,feed intake and feed conversion ratio very significantly increased(P<0.01),while egg production and laying rate declined(P<0.05);
    结果表明 :(1)低温使日采食量、料蛋比显著升高 (P<0.01) ,使日产蛋量、产蛋率显著降低 (P<0.05) ;
短句来源
    Two hundred and forty commercial broilers were divided equally into normal temperature control group(NT),cold temperature group(LT)and cold temperature with supplemental L-arginine(L-arg)group (LA).
    240羽商品代肉鸡于14d时随机等分为常温对照组(NT),低温组(LT)和低温加L精氨酸(L arg)组(LA)。
短句来源
    The present study was conducted to examine the expression of protein kinase Cα(PKCα)in pulmonary arterioles in broilers with pulmonary hypertension induced by cold temperature exposure and the relationship between PKCαand pulmonary vascular remodeling.
    应用环境低温复制肉鸡肺动脉高压模型,观察肺细小动脉蛋白激酶Cα(PKCα)的表达变化,并探讨PKCα与肺血管重构的关系。
短句来源
    In cold temperature and warm temperature and fed on high energy diets,T3 was tending upwards,while T4 was tending downwards.
    在适温下和低温下提高饲粮代谢能水平使T3 水平有升高趋势 ,而T4 水平有降低趋势。
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  “cold temperature”译为未确定词的双语例句
    Effect of L-arginine on activity of NOS in pulmonary arterioles in broilers with pulmonary hypertension induced by cold temperature
    L-精氨酸对肺动脉高压肉鸡肺动脉NOS活性的影响
短句来源
    STUDIES ON CHANGE OF MDA CONTENT AND SOD ACTIVITY OF MITOCHONDRION IN LIVER AND HEART IN BROILERS UNDER COLD TEMPERATURE
    肉鸡肺动脉高压肝脏和心脏线粒体氧自由基变化研究
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  cold temperature
Improvements in cold temperature hydrocarbon emissions would also be beneficial in many parts of Europe during the winter months.
      
The DEAE-dextran induced microtubules are stable to cold temperature (4°) and calcium.
      
We observed that the rubber polymer core of the rubber particles was still malleable at this extremely cold temperature, and the core stretched substantially during separation of the fracture planes.
      
While UV-C stress caused a general increase in substance formation, cold temperature stress resulted in a strong activation of barbatic acid biosynthesis.
      
Based on results of a former study in 2005, this investigation aimed at quantifying UV- and cold temperature stress-induced changes within the secondary metabolite production of the cultured mycobiont of the lichen Heterodea muelleri (Hampe) Nyl.
      
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In our previous study, the results demonstrated that MDA content increased(p <0. 05) or markedly increased(p <0. 01) while SOD activity decreased(p <0. 05)or obviously decreased (p <0. 01)in ascites syndrome broilers, compared with the control broilers, In present study, 400broilerchickens were raised in normal circumstance until day21, then the chickens were randomly divided into two groups(A, B) . A goup (200 boiler chickens) reared at 24℃while the B goup maitened the temperature at 12℃. At 28, 35, 42, 49days...

In our previous study, the results demonstrated that MDA content increased(p <0. 05) or markedly increased(p <0. 01) while SOD activity decreased(p <0. 05)or obviously decreased (p <0. 01)in ascites syndrome broilers, compared with the control broilers, In present study, 400broilerchickens were raised in normal circumstance until day21, then the chickens were randomly divided into two groups(A, B) . A goup (200 boiler chickens) reared at 24℃while the B goup maitened the temperature at 12℃. At 28, 35, 42, 49days of age, RV/TV, Hemocrit were measured and the mitochondria of liver and heart were separated, accredited, the activity of MnSOD and the content of MDA in mitochondrial memberane were measured. The result demonstrates: (1 )the activity of SOD increase or obviously increase in both liver and heart the content of MDA decrease or markedly decrease in both liver and heart after th broilers were treated at cold temperature within two weeks(3) From the third week after treatment, the activity of SOD decrease or markedly decrease in both liver and heart while the content of MDA increase or obviously increase in both liver and heart. The combined results indicated that: liver and heart mitocfhondria dysfunction present in broilers subjeccted to cold temperature were associated with the oxidative stress, the oxygen free radicals level was relevent to subcellular states of broilers ascites sydrome.

400只艾维茵肉鸡按常规方法育雏在21日龄时随机分为两组,A组200只在24℃下饲养,B组200只在低温12℃下饲养。在28、35、42、49日龄测定腹水心脏指数和红细胞压积,分离鉴定腹水肉鸡心、肝线粒体,测定其所含的MnSOD活性以及线粒体膜结构的MDA含量变化经。结果表明:(1)低温处理后一周和二周,在肝脏和心脏线粒体中,SOD含量升高或显著升高(p<0.05)。MDA含量降低或显著降低(p<0.05)。(2)低温处理三周后,SOD的含量降低或显著降低。MDA的含量升高或显著升高(p<0.05)。本实验结果显示肝脏和心脏的线粒体SOD和MDA的变化与肉鸡腹水综合征的发生发展关系密切,氧自由基在亚细胞水平上参与了疾病的病理过程。

The objective of studies was to determine the effect of cold stress and high energy diets on productivity and serum biochemical indexes in laying ducks in cage.The results showed as the follows:(1)In cold temperature,feed intake and feed conversion ratio very significantly increased(P<0.01),while egg production and laying rate declined(P<0.05);Fed on high energy diet,feed intake declined(P<0.05),while egg production and laying rate were tending upwards.In cold stress and fed on high energy diets,feed...

The objective of studies was to determine the effect of cold stress and high energy diets on productivity and serum biochemical indexes in laying ducks in cage.The results showed as the follows:(1)In cold temperature,feed intake and feed conversion ratio very significantly increased(P<0.01),while egg production and laying rate declined(P<0.05);Fed on high energy diet,feed intake declined(P<0.05),while egg production and laying rate were tending upwards.In cold stress and fed on high energy diets,feed intake and feed conversion ratio declined(P<0.05),while egg production and laying rate were tending upwards.(2)In cold stress,T3 increased(P<0.05),while T4 was tending downwards.Fed on high energy diets,T3 was tending downwards,while T4 was tending upwards.In cold temperature and warm temperature and fed on high energy diets,T3 was tending upwards,while T4 was tending downwards.(3)In cold stress,FFA and UA very significantly increased(P<0.01),while glucose declined(P<0.05).Fed on high energy diets,FFA and glucose increased(P<0.05),while UA was tending downwards.In cold temperature and warm temperature and fed on high energy diets,FFA and glucose were tending upwards,while UA downwards.

本文研究了低温高能饲粮对笼养产蛋鸭生产性能和生化指标的影响。结果表明 :(1)低温使日采食量、料蛋比显著升高 (P<0.01) ,使日产蛋量、产蛋率显著降低 (P<0.05) ;高能饲粮则使日采食量显著降低 (P<0.05) ,使日产蛋量、产蛋率有升高的趋势 ;在低温下提高饲粮代谢能水平使日采食量、料蛋比显著降低 (P<0.05) ,使日产蛋量、产蛋率有升高的趋势。(2)低温使血清中T3 水平显著升高 (P<0.05) ,而T4 水平略有降低 ;高能饲粮使T3 水平略有降低 ,T4水平略有升高。在适温下和低温下提高饲粮代谢能水平使T3 水平有升高趋势 ,而T4 水平有降低趋势。 (3)低温显著升高血清中游离脂肪酸和尿酸水平 (P<0.01) ,显著降低血清中葡萄糖水平 (P<0.05) ;高能饲粮显著升高血清中游离脂肪酸和葡萄糖水平 (P<0.05) ,使血清中尿酸水平有降低的趋势。在适温下和低温下提高饲粮代谢能水平有使血清中游离脂肪酸、葡萄糖升高的趋势 ,使血清中尿酸有降低趋势

Two hundred and forty commercial broilers were divided equally into normal temperature control group(NT),cold temperature group(LT)and cold temperature with supplemental L-arginine(L-arg)group (LA).Starting at day 14 of age,broilers in groups LA and LT were exposed to cold temperature to induce pulmonary hypertension syndrome (PHS).All the broilers received pelleted diet whereas broilers in group LA received the same diet supplemented with 100 mg·kg~-1 L-arg from days 14 to 45.Right/total ventricle...

Two hundred and forty commercial broilers were divided equally into normal temperature control group(NT),cold temperature group(LT)and cold temperature with supplemental L-arginine(L-arg)group (LA).Starting at day 14 of age,broilers in groups LA and LT were exposed to cold temperature to induce pulmonary hypertension syndrome (PHS).All the broilers received pelleted diet whereas broilers in group LA received the same diet supplemented with 100 mg·kg~-1 L-arg from days 14 to 45.Right/total ventricle ratio(RV/TV),concentration of plasma nitric oxide(NO),and nitric oxide synthase(NOS)activity in pulmonary arterioles were detected.It was shown that broilers in group LT had increased PHS incidence and it was significant higher than that of group NT;however,there was no difference between groups LA and NT.Plasma NO of broilers in group LA was significantly increased compared to that of groups NT and LT on days 32 to 45,but there were no differences between groups LT and NT despite an exception on day 39.NOS activity in pulmonary arterioles with diameter of 100200 μm, as expressed by optical density(D),was significantly decreased in group LT.However,broilers in group LA had much higher D values than those of group LT after day 24.It was demonstrated that supplemental L-arg might protect and activate NOS,and thereby increase the release of endogenous NO.

240羽商品代肉鸡于14d时随机等分为常温对照组(NT),低温组(LT)和低温加L精氨酸(L arg)组(LA)。自14d起,对LT和LA组肉鸡采用低温诱导肺动脉高压综合征(PHS)。此外,LA组自14d起在饲料中按100mg·kg-1剂量添加L arg。测定右心室/全心室(RV/TV)和血浆一氧化氮(NO)水平。肺组织切片经βNADPH组织化学染色后,检测直径在100~200μm的肺小动脉平均光密度(D)值,以D值代表NOS的活性。结果显示:LT组PHS发病率显著高于对照组(P<0.05);LA组与对照组相比无显著差异(P>0.05),但显著低于LT组(P<0.05)。LT组肉鸡RV/TV在45d时显著升高(P<0.05),血浆NO浓度总体上与NT组差异不显著(P>0.05);LA组肉鸡RV/TV值与NT组相比无显著差异(P>0.05),其血浆NO浓度自32d时起较NT和LT组显著升高(P<0.05)。LT组肉鸡肺动脉D值较NT组显著降低(P<0.05);LA组D值仅在24d时降低(P<0.05),在其余时间段与NT组相比无显著差异(P>0.05),但显著高于LT组(P<0.05)。上述结果提示,添加L a...

240羽商品代肉鸡于14d时随机等分为常温对照组(NT),低温组(LT)和低温加L精氨酸(L arg)组(LA)。自14d起,对LT和LA组肉鸡采用低温诱导肺动脉高压综合征(PHS)。此外,LA组自14d起在饲料中按100mg·kg-1剂量添加L arg。测定右心室/全心室(RV/TV)和血浆一氧化氮(NO)水平。肺组织切片经βNADPH组织化学染色后,检测直径在100~200μm的肺小动脉平均光密度(D)值,以D值代表NOS的活性。结果显示:LT组PHS发病率显著高于对照组(P<0.05);LA组与对照组相比无显著差异(P>0.05),但显著低于LT组(P<0.05)。LT组肉鸡RV/TV在45d时显著升高(P<0.05),血浆NO浓度总体上与NT组差异不显著(P>0.05);LA组肉鸡RV/TV值与NT组相比无显著差异(P>0.05),其血浆NO浓度自32d时起较NT和LT组显著升高(P<0.05)。LT组肉鸡肺动脉D值较NT组显著降低(P<0.05);LA组D值仅在24d时降低(P<0.05),在其余时间段与NT组相比无显著差异(P>0.05),但显著高于LT组(P<0.05)。上述结果提示,添加L arg可在一定程度上保护并激活肺动脉NOS活性,从而使内源性NO合成增加。

 
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