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   水貂 在 畜牧与动物医学 分类中 的翻译结果: 查询用时:0.033秒
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  mink
The Ratio between the Frequencies of Two Forms of Amitotic Division of Trophoblast Cell Nuclei in the Mink Blastocysts during th
      
A comparative study of amitotic division activity of trophoblast cells by constriction or extrusion in the blastocysts of American mink during the period of obligatory implantation delay was performed.
      
Catalytic Properties of Cholinesterases from the Brain and Blood Serum of Mink (Mustela Vison Bris.)
      
Catalytic properties of monoamine oxidase from mink (Mustela vison) liver
      
Activity of Embryonic Mink Genome during Diapause (Cytogenetic Analysis): Nucleolar and Extranucleolar RNA Synthesis
      
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  minks
A defatted biomass was shown to be effectively assimilated by minks.
      
The estrous cycle state, folliculogenesis, and reproductive parameters of the female minks were estimated.
      
Thus, a higher relative content of the enzyme A-subunits in the LDH spectra of liver and skeletal muscles was found in semiaquatic animals, minks and nutrias, in comparison with terrestrial animals, polar foxes, ferrets, and chinchillas.
      
In the female minks selected for behavior, there was a significant increase of percentage of estrous females: to 84.6% in the aggressive ( p >amp;lt; 0.001) and to 58.4% in the quiet type animals ( p >amp;lt; 0.01).
      
Thus, selection of minks for aggressive behavioral type produces an increase of the hypothalamic catecholamine level, which, in turn, is one of factors inhibiting sexual function.
      
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Summary The results of the works related to serological classification of Pasteurellosis strains have indicated the necessity of using serologically compatible pasteurellosis strains of the same type prevailing in a given country for vaccine production. Studies by Carter and others have demonstrated the importance of selecting pasteurella multocida strains for bacterin and antiserum production on a serological or immunological basis rather than on zoological grounds. Serological classifieation of pasteuretla...

Summary The results of the works related to serological classification of Pasteurellosis strains have indicated the necessity of using serologically compatible pasteurellosis strains of the same type prevailing in a given country for vaccine production. Studies by Carter and others have demonstrated the importance of selecting pasteurella multocida strains for bacterin and antiserum production on a serological or immunological basis rather than on zoological grounds. Serological classifieation of pasteuretla multocida from varions animals in CHINA have not undertaken yet. This study was undertaken in our institute with the purpose of selection of good antigenic strains and used for the quality improvement in bacterin production. A total of 62 cultures of pasteurella multocida isolated from cattle. swine and other species of animal and fowl in various parts of our country have been identified their selotypes by means of the modified Carter's indirect hamagglutination test. The results of identification are as follows:All of the 13 strains isolated from cattle. buffalo and yak belong to Cartert's capsular type B; Among 13 strains isolated from swines 7 are type B, 4 are type A and 2 are type D. This is somewhat not identical with most results of the foreign research data, in which type A and D. are most common in swine. But strains of Carter's type B predominate in swine of CHINA. Among 26 avian strains except that7stains could not be identified, 19 strains belong to type A; Other 2 strains from sheep belong to capsular type A and B respectively; As to 4 strains from horses, 1 belongs to type A, 3 belong to type B; 3 strains from rabbits and 1 strain from mink are both Carter's capsular type A.

在过去一段时间,研完工作者对各种多杀性巴氏杆菌区分为型的问题实际上已开始了广泛的研究。有关多杀性巴氏杆菌血清学分类的工作结果曾指出,用与流行的巴氏杆菌病在血清学上同样型的菌株制造菌苗的必要性。不同动物的多杀性巴氏杆菌在血清学上的分类在我国尚未进行。现在为了改进生产抗巴氏杆菌病菌苗用菌种,我所进行了巴氏杆菌病茵株的血清学鉴定。由我国不同地区的牛、猪和其他种类动物和禽分离的多杀性巴氏杆菌,共计62株,用经改变的卡特氏(G.R. Carter)间接血凝试验进行了血清学分型。血清学的鉴定结果如下:所有由黄牛、水牛和耗十分离的12个菌株,属于卡特氏英膜B型,13个由猪分离的菌株中7个属于B型,4个A型,2个D型。这个结果与多数的国外研究资料结果不一致,在国外的资料中,猪的菌株是以A型和D型占优势,而在我国Carter氏B型菌是引起猪巴氏杆菌病的主要菌种;在26个禽的菌株中,除了7个菌株未能定型外,其他19个菌种是属于A型;另外由綿羊分离的两个菌株均属于B型,在4个由马分离的菌株中1个属于A型,3个属于B型,3个由兔分离的和1个由水貂分离的菌株全是Carter氏英膜A型。

A preliminary survey was made on the etiology or Se-Vitamin E deficiencysyndrome of farm animals in Heilongjiang province.The survey indicated thatthe syndrome had been reported in many regions of the province on swene,sheep,cattle,horse,deer,rabbit,mink and poultry with heavier losses in youngstock.Its occurance was endemic,influenced by specific enviromental facfors,the determining one being low soil selenium content.In essentiality,it may becatagorizeb as an epidemic of bio-geologic chemical nature.Judging...

A preliminary survey was made on the etiology or Se-Vitamin E deficiencysyndrome of farm animals in Heilongjiang province.The survey indicated thatthe syndrome had been reported in many regions of the province on swene,sheep,cattle,horse,deer,rabbit,mink and poultry with heavier losses in youngstock.Its occurance was endemic,influenced by specific enviromental facfors,the determining one being low soil selenium content.In essentiality,it may becatagorizeb as an epidemic of bio-geologic chemical nature.Judging from itsetiological pattern and distribution,this syndrome may be closely related tokeshan disease in humans.

本文初步综合报导了黑龙江省畜禽硒—维生素 E 缺乏综合征的流行病学调查研究结果。通过调查研究,确认在我省大部分地区均有本病的发生,侵害猪、羊、牛、马、鹿、兔、水貂及鸡,北京鸭等多种畜禽,且以幼龄畜禽病情严重。综合征的流行具有地区性的待点,即受特定的环境条件所制约。初步查明,低硒环境(土壤)是致病的根本条件。因此,疾病的实质是一种生物地球化学性流行病。调查结果表明,从流行病学现象及病区的分布来看,本综合征与人的克山病有一定的相关性。

Virus strains were isolated from natural cases of“mink plague”and “dog plague”outbreaks in China.Inoculations of susceptible puppies and minks as well as serial passages in chicken embryos,and dog kidney cell monoloyer cultures were carried out.Two strains of“mink plague”virus and one strain of“dog plague”virus were obtained and identified.All these strains have been adapted to the cell cultures of mink testis,ham- ster kidney,bovine kidney and BHK_(21)monolayers and the CPE produced were just the same as those...

Virus strains were isolated from natural cases of“mink plague”and “dog plague”outbreaks in China.Inoculations of susceptible puppies and minks as well as serial passages in chicken embryos,and dog kidney cell monoloyer cultures were carried out.Two strains of“mink plague”virus and one strain of“dog plague”virus were obtained and identified.All these strains have been adapted to the cell cultures of mink testis,ham- ster kidney,bovine kidney and BHK_(21)monolayers and the CPE produced were just the same as those produced by other paramyxoviruses. Electron microscopy showed that these strains were morphologically identical.The virus particles were roughly spherical and possessed enve- lopss and surface spikes.Its nucleocapsids appeared to be coiled in the envelopes in infected dog kidney cells inclusion bodies could be seen in the cytoplasm.The virus was shown to have the same morphological c- haracteristics as those of the attenuated American and French distemper virus strains. The virus contains RNA genome as indicated by the lack of inhibi- tion of replication by 5′-IUDR.It is ether-sensitive. Haemagglutination-inhibition test and cross neutralization test on dog kidney and chicken embryo monolayers with the French strains and ant- isera showed that they were all antigenically identical. Based on the results described above the authors concluded that the virus of“mink plague”was canine distemper virus and the so-called“mink plague”or“dog plague”was actually cannine distemper.

研究了我国的“貂瘟、狗瘟”病原。用敏感动物和鸡胚、犬肾单层细胞分离获得 HMDV、JMDV、LCDV 三株病毒。分离毒在鸡胚、犬肾、水貂睾丸,仓鼠肾等单层细胞上生长良好,产生病变具有付粘病毒“属”的特性。以法国犬瘟热弱毒苗及分离毒制备了阳性血清,作血清学病毒鉴定,病毒血凝和血抑效价1:320,血清抗体中和效价为1:160……,免疫前血清为1:20。本病毒属 RNA 病毒、不耐醚。电镜观察:病毒有囊膜和纤突、核衣壳呈螺旋对称型,病毒颗粒为132~175nm,位于细胞质内,其结构形态特点与美国犬瘟热弱毒Distemink.TC 株相类似。综合研究结果,鉴定本病毒为犬瘟热病毒,发生于我国的“貂瘟、狗瘟”定性为犬瘟热病。

 
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