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1.
Investigations into the analgesic effect of thiambutene and its value as a pre-anaesthetic agent were carried out in the horse and the sheep. Special emphasis was placed on the post-anaesthetic recovery period.
Thiambutene produced analgesia in both species. Toxic effects such as muscle tremor and hyperkinesia occurred with high doses. Prior administration of acepromazine increased the tolerated doses of thiambutene, and satisfactory neuroleptanalgesic states were produced.
Combined use of thiambutene and acepromazine in pre-anaesthetic medication reduced the dose of thiopentone required for anaesthesia in both species and significantly improved post-anaesthetic recovery.
Administration of nalorphine in both species reduced the duration of the recovery period. In the horse, even after prolonged thiopentone anaesthesia, nalorphine produced a shorter, quieter recovery.
It was concluded that pre-anaesthetic medication with thiambutene and acepromazine facilitated thiopentone anaesthesia and greatly reduced the problems of post-anaesthetic recovery in horses.  相似文献   

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现代科学技术与草业现代化   总被引:3,自引:1,他引:2  
简要阐述了科学技术与草业的兴起及其相互关系,并首次提出了草业现代化及其基本内涵,通过论证,表明实现现代化是草业科学技术发展的必然。  相似文献   

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徐同生 《四川草原》1997,(3):4-9,15
对巴什吐格草地自然地理环境、植被分布规律与草场类型特点研究结果表明,该区草地是中昆仑山北坡自然环境最好、植被发育最好、放牧地形最好和供水条件最好的典型草场之一。自南向北,草场植被垂直分布十分明显,东、西部植被水平分布亦有较显著差异。根据新疆草地分类系统可划分为:山地荒漠、山地草原化荒漠、山地荒漠草原、山地典型草原、高寒草原和高寒草甸6类及6个亚类、11个组、14个型。。山地荒漠草原和山地典型草原分别是冬春场和夏秋场的主体类型,各占冬春场和夏秋场草地可利用面积的4822%和6671%。结合当地草场实际,提出了草地合理开发利用的意见。  相似文献   

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杨予海 《青海草业》2005,14(1):57-60
草原旅游是发挥草原景观资源美学价值而产生经济效益的一项开发性活动.本文从法律角度列举了与草原旅游有关的4种相对人,即草原行政主管部门、草原承包使用者、承包经营者、草原旅游者,和在草原上开展旅游必须遵循的草原法律、法规和规章等法律规范,针对存在的问题,提出了相关建议,以期引导人们在法律允许的范围内开展草原旅游活动.  相似文献   

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随着改革的不断深入,经济和社会的不断发展,特别是高校的扩招,高校大学生的思想政治教育面临着新的挑战。正确分析当前高校思想政治教育存在的困难和问题,采取行之有效的措施,切实加强大学生思想政治教育,是我们全面贯彻党的教育方针及中央16号文件精神,全面推进素质教育,促进大学生全面发展的重要任务。  相似文献   

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醉马草及其防治措施   总被引:5,自引:0,他引:5  
霍曼   《草业科学》1992,9(5):36-37
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作者进行了29只(窝)德系安哥拉生长幼兔和38只妊娠母兔的比较屠宰试验以及相应的消化代谢试验后得出:①生长兔每克增重的净蛋白质(NCP,克/克)和净能(NE,千卡/克),可用剪毛后活重(W,克)估测:NCP=0.095W~(0.0902),NE=O.569W~(0.1721)。②妊娠母兔每公斤代谢体重维持的消化能需要量为114.93千卡,可消化粗蛋白质4.68克。消化能用于产毛、胎儿和母体中能量沉积的效率分别为0.190、0.278、0.747;可消化粗蛋白质用于产毛、胎儿和母体中蛋白质沉积的效率分别为0.432、0.567、0.853。③兔体蛋白质和脂肪的热价分别为5.747、9.266千克/卡。  相似文献   

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语言与社会文化的发展是一脉相承的。从词语的文化内涵不同导致词汇空缺现象,词汇联想和文化现象的差别导致语义不同以及词汇的语义和文化内涵的不等值加以论述,特别是通过有关动物、数字、颜色等方面词汇的对比来探讨中、英两种语言与文化的差异以及这些词汇在中、英两国读者中所产生的相同的、特别是不同的联想等。  相似文献   

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锰对种蛋受精率、孵化率及蛋中锰、铜、锌浓度的影响   总被引:6,自引:0,他引:6  
选用1日龄星杂“288”鉴别母雏540只进行试验,以探讨日粮中不同水平锰对种蛋受精率、孵化率、蛋中锰、铜、锌浓度的影响,以及蛋中锰含量与受精率、孵化率之间的关系。结果表明:受精率以日粮含锰110mg/kg为最高(77.18%),对照组最低(64.16%),但各组间无显著差异(P>0.05)。受精蛋的孵化率以日粮含锰70mg/kg组最高(94.85%),对照组最低(80.36%),二者差异极显著(P<0.01):雏鸡在一周内脱腱症的发生率:对照组为11.80%,日粮含锰30mg/kg组为636%,其它四组未发现。当日粮中含锰70mg/kg时,不仅可获得最佳孵化率,而且可有效地防止脱腱症的发生。日粮锰含量增高时,对蛋壳、蛋清、蛋黄中铜、锌的含量及蛋清、蛋壳中锰的含量无显著影响(P>0.05),但对蛋黄中锰含量有显著影响(P<0.01).蛋黄中锰含量随日粮锰含量的增高而增加,二者呈极显著的线性相关(r=0.9370).y=0.0168x+3.3062,r为相关系数,y为蛋黄中锰含量,x为日粮中锰含量),日粮添加锰可以显著增加蛋黄中锰含量,而对铜、锌无显著影响。  相似文献   

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Magnetic resonance (MR) cholangiopancreatography is useful in humans to diagnose biliary and pancreatic diseases. Some of these protocols incorporate the use of secretin, which stimulates the exocrine pancreas to release bicarbonate with secondary dilation of the pancreatic duct. We compared the utility and quality of multiple hepatic‐pancreaticobiliary MR imaging sequences before and after secretin stimulation of the pancreatic duct in five healthy cats. Multiple MR sequences were evaluated, including fast Spoiled Gradient Recalled in‐ and out‐of‐phase, Single Shot Fast Spin Echo (SSFSE), T2 Fast Spin Echo, MR cholangiopancreatography (pre‐ and postsecretin administration), and Fast Acquisition with Multiphase Efgre (FAME) (postsecretin and before and after gadolinium administration). The MR cholangiopancreatography protocol with secretin stimulation was feasible and yielded high‐contrast maps of the biliary ductal anatomy but the pancreactic duct was seen inconsistently. The FAME series most consistently provided visualization of biliary and postsecretin pancreatic ductal anatomy, combined with very good depiction of the liver and pancreas. The remaining sequences each had satisfactory utility and diagnostic quality, with the exception of the SSFSE sequences. Secretin improved the conspicuity of the pancreatic duct.  相似文献   

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不同倍性鸭茅同功酶比较研究   总被引:2,自引:0,他引:2  
采用生化遗传学的方法,对我国亚热带地区几个二倍体和四倍体野生鸭茅不同生育期的酯酶,过氧化物酶同功酶进行了比较研究。结果表明,鸭茅二倍体各品系之间,四倍体各品种(系)之间的同源性较高,遗传差异较小,二倍体与四倍体之间,酯酶,过氧经物酶同功酶等都有较大差异。  相似文献   

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SUMMARY: The prevalence of Dirofilaria immitis infection in dogs continues to increase in the temperate east coast zone of Australia (and is extending further south into New South Wales and Victoria). However, the infection rate has not changed in the tropics over the past 10 years where it would appear that a maximum infection rate of 90% occurs in a given Australian dog population. Twelve percent of Brisbane dogs had occult dirofilariasis and it is suggested that the proportion of occult infections was probably higher in the tropics. Dogs of all breeds appear equally susceptible to D. immitis with infection being more common in older male dogs. The level of microfilaraemia was, occasionally, proportional to the number of heartwprms per dog. Toxocara canis was present in about 75% of dogs from all areas studied except in Central Australia where the level of infection was much lower.
Immunodiagnosis of D. immitis and T. canis with high specificity and sensitivity was achieved by cyanogen bromide indirect fluorescent antibody and cell-mediated immunity tests using parasite antigens purified by affinity chromatography. These tests enabled occult dirofilariasis to be differentiated from unrelated canine cardiac and pulmonary failure. Such immunodiagnosis can aid in the early diagnosis of dirofilariasis particularly in situations where no circulating microfilariae can be detected.
The prevalence of serum antibody in man to purified Dirofilaria and Toxocara antigens was proportional to the incidence of respective canine infections at each location.  相似文献   

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大豆抗原及其对仔猪和犊牛的影响   总被引:12,自引:0,他引:12  
大豆及其制品中含有一些可以引起幼龄动物胃肠道发生过敏反应的抗原物质,这些抗原物质引起的过敏反应可造成动物肠道损伤,进而导致肠道吸收障碍,生长发育受阻。本文对大豆抗原的种类、生物学特性、不同大豆制品中的可溶性抗原及大豆抗原对仔猪和犊牛的影响进行了综述。  相似文献   

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二倍体和四倍体多花黑麦草×苇状羊茅杂种 F_1 花粉母细胞减数分裂染色体具有较高的配对水平,单价体少,二价体多。存在低频率的三价体、四价体和较低频率的五价体,表明多花黑麦草和苇状羊茅染色体之间存在同源或部分同源和异源苏会配对,F_1 正常花粉频率平均为0~18.2%,不同杂交组合甚至同一组合不同植株均有很大的差异。F_1 的回交结实率很低,平均为0.05粒种子/小穗,且易与多花黑麦草回交。杂种后代自交结实率与其亲本一样均很低。开放授粉结实率则随着世代的增加显著提高,F_1 代平均仪为0.4%,至第五代高达65.5%。杂种后代越夏性以 F_1为最强,平均达79.9%,介于双亲之间或与苇状羊茅相近,随着世代的增加越夏性则逐渐丧失。推测越夏性丧失与杂种后代群体过早或过多地丢失苇状羊茅染色体,减少了优良基因重组的机会有关。育性正常、越夏性较强的黑麦草型第四代选系“891”的获得,表明把苇状羊茅的越夏性部分地转移到多花黑麦草中是可行的。  相似文献   

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