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双羔
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  twin lamb
     In semifine wool sheep,44 embryos were transferred into recipient ewes,13 lambs were delivered and one ewe was aborted (twin lamb) and the pregnancy rate of embryo transfer was 31.28%.
     半细毛羊移植胚胎44枚,产羔13只,流产1只(双羔),移植受胎率为31.82%;
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     In Han-sheep with small tail. 40 embryos were transferred into ipsilateral horn of 20 recipient ewes (z embryos per ewe),5 lambs were delivered and of them one ewe delivered twin lamb,the preghancy rate of embryo transfer was 12.50%.
     每只小尾寒羊移植2枚胚胎,共移植20只受体40枚胚胎,产羔5只,其中1只母羊产双羔,受胎率为12.50%。
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  group of two lambs
     The survival rate is the highest in the group of two lambs and is 92%.
     羔羊成活率以双羔最高,为 92 %。
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  itstwins
     It was proved by the experimentthat the twinning rate of first lamber was lower, only 12.30% and itstwins death rate reached 27.27%.
     经试验证明,初产母羊双胎率低,仅12.30%,双羔死亡率达27.27%.
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  “双羔”译为未确定词的双语例句
     Thepregnancyratewas 44.00%(55/125) detected by using B-ultrasonic diagnose. 59 lambs were produced,the survival rate of single lamb was 93.62%(44/47),the surviving rate of twin lambs was 66.67%(8/12).
     用B超诊断妊娠率为44.00%(55/125),产羔59只,单羔存活率93.62%(44/47),双羔存活率66.67%(8/12)。
短句来源
     The result of above tests showed the formula of calculating RDCP for lactating Green she goats with double kids was: Y=2.79W0.75+90.82L In the formula,Y was RDCP (g/d);
     根据上述试验结果可得出青山羊泌乳期哺育双羔母羊的可消化粗蛋白质需要量公式为 :Y=2.79W0.75+90.82L; 式中 :Y为RDCP(g/d);
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     The recipient's ratio of producing twin kids which transfered 2 embryos was 32.4% (55/170).
     移双胚产双羔的百分率为32.4%(55/170)。
短句来源
     Older lamber above six, though thetwin-ning rate was 22. 40%, the twins death rate was 23.14%.
     6岁以上老母羊双胎率虽达到22.40%,但双羔死亡率高达23.14%.
短句来源
     Reproductive rate of ewes is 122~128 percent with 8.3~16 percent of gemini,the livability is 77.2~96 pearcent.
     母羊繁殖率达122%~128%,其中双羔率8.3%~16%,羔羊成活率77.2%~96%.
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    Summary 400RU FSH/200RU LH and 400RU FSH/50 microgram LRH (Luteoreleasing hormone) were used to induce superovulation in two groups of aged Xinjiang Fine-wooled sheep respectively.The time of eggs collected from the Fallopian tube of donor ewes after onset of oestrus was 65—80 hours.The average number of fertilized eggs recovered were 9.8±7.6 from 41 donors and the fertilization rate was 70.09 in the first group, and the average number of fertilized: eggs recoyered were 8.9±4.6 from 28 donors and the fertilizasion...

    Summary 400RU FSH/200RU LH and 400RU FSH/50 microgram LRH (Luteoreleasing hormone) were used to induce superovulation in two groups of aged Xinjiang Fine-wooled sheep respectively.The time of eggs collected from the Fallopian tube of donor ewes after onset of oestrus was 65—80 hours.The average number of fertilized eggs recovered were 9.8±7.6 from 41 donors and the fertilization rate was 70.09 in the first group, and the average number of fertilized: eggs recoyered were 8.9±4.6 from 28 donors and the fertilizasion rate was 68.15% in the second group. The difference of lambing rate obtained between these two groups was not significant (X~2=1.16 P>0.05) .The average number of fertilized eggs recovered were 10.31±6.7 from 32 experimental donors, eggs of which were collected at 75—80 hrs, and fertilization rate was 77.66%, 8—16 cell embryos accounted for 81.52% of the total fertilized eggs. Using synthetic LRH to induce superovulation in sheep has such advantages as steady effect, facility in use and low cost. According to the analyses of the data derived from the lambing rate of the recipients, it was noticed that: 1. When superovulated eggs reached at the number of 25, there was no apparent effect on the rate of fertilized eggs and lambing rate. 2. The lambing rate in one—egg transfer at the stage of 16-celled cleavage was 69.44% (25/36) ; while in one egg transfer at 2-celled stage was 35.0% (14/40) .The advanced stage of cleavage in fertilized egg was reached the greater rate of lambing. 3. The lambing rate of two-egg transfer was 48o15% (26/24) ; whereas for one-egg transfer 46.34% (209/45).The survival rate of fertilized egg of two-egg transfer was as low as 27.77% (30/108). 4. The difference of breeds of the recipient animal seemedrelated the twinning rate of two-egg transfer.

    应用FSH400单位/LH200单位和FSH400单位/LRH类似物50微克,诱发老龄新疆细毛母羊超数排卵,在发情开始后65~80小时采卵,前者41只(包括茨盖羊3只)平均取得受精卵9.8±7.6个,卵子受精率70.09%,后者28只(包括茨盖羊4只)平均取得受精卵8.2±4.6个,卵子受精率68.15%。二者所得受精卵的移植产羔率无明显差异(X~2=1.16 P>0.05)。 32只试验供体于75~80小时采卵,平均取得受精卵10.31±6.7,卵子受精率77.66%,8~16细胞卵占受精卵总数的81.52%。 LRH类似物,应用于绵羊的超数排卵,具有效果稳定,使用方便,价格低廉的特点,更宜在生产上应用。据对移植受体产羔的分析,注意到: 1、当超排卵达到25个左右时(20例),对卵子受精率及其移植产羔率仍无明显影响。 2、16细胞卵单卵移植的产羔率69.44%(25/36),2细胞卵单卵移植的产羔率35.0%(14/40)。分裂阶段较高的受精卵,产羔率相应较高。 3、双卵移植的产羔率48.15%(26/54),单卵移植的产羔率46.34%(209/451)但双卵移植的受精卵存活率低达27.77%(30/10...

    应用FSH400单位/LH200单位和FSH400单位/LRH类似物50微克,诱发老龄新疆细毛母羊超数排卵,在发情开始后65~80小时采卵,前者41只(包括茨盖羊3只)平均取得受精卵9.8±7.6个,卵子受精率70.09%,后者28只(包括茨盖羊4只)平均取得受精卵8.2±4.6个,卵子受精率68.15%。二者所得受精卵的移植产羔率无明显差异(X~2=1.16 P>0.05)。 32只试验供体于75~80小时采卵,平均取得受精卵10.31±6.7,卵子受精率77.66%,8~16细胞卵占受精卵总数的81.52%。 LRH类似物,应用于绵羊的超数排卵,具有效果稳定,使用方便,价格低廉的特点,更宜在生产上应用。据对移植受体产羔的分析,注意到: 1、当超排卵达到25个左右时(20例),对卵子受精率及其移植产羔率仍无明显影响。 2、16细胞卵单卵移植的产羔率69.44%(25/36),2细胞卵单卵移植的产羔率35.0%(14/40)。分裂阶段较高的受精卵,产羔率相应较高。 3、双卵移植的产羔率48.15%(26/54),单卵移植的产羔率46.34%(209/451)但双卵移植的受精卵存活率低达27.77%(30/108)。 4、双卵移植时的双羔率,似与受体品种本身的双羔率有关。

    The relation between serum concentration of progesterone(PR)and the lambing rate during pregnancy in 28 female Hu ewes were studied, and the obtained results were compared with those from the study of 5 female Chinese karakul ewes. By means of radioimmunoassay,the serum levels of PR on day 50 of pregnancy of Hu ewes of different lambing rate were tested and the di- fferences were not significant(P>0.05)between ewes bearing one and two,two and three or three and four lambs but between those groups of ewes bearing...

    The relation between serum concentration of progesterone(PR)and the lambing rate during pregnancy in 28 female Hu ewes were studied, and the obtained results were compared with those from the study of 5 female Chinese karakul ewes. By means of radioimmunoassay,the serum levels of PR on day 50 of pregnancy of Hu ewes of different lambing rate were tested and the di- fferences were not significant(P>0.05)between ewes bearing one and two,two and three or three and four lambs but between those groups of ewes bearing one and three or two and four Iambs it was significant(P <0.01).At the same time,the accumulative total of PR during day 10 —50 of the pregnancy in different groups of Hu ewes,were positively related to the number of lambs they had borne(r=0.92、P<0.01).Af- ter day 50 of pregnancy the PR concentration in the serum increased ra- pidly,within day 80 the average level of serum PR was one-fold as much in the group of ewes bearing twin lambs as that in the group of ewes with single lamb,being 4.00±0.73 aginst 2.12±0.05 ng/ml respectively. The maximum content of PR during the late period of pregnaney was 5 to 11 times higher than that in the early stage. No significant differences of the PR contents were found between HU and karakul ewes throughout pregnancy(P>0.05).

    作者对湖羊妊娠期外周血清中的孕酮含量与产羔数的关系作了研究,并与三北羊进行了比较。用放射免疫法测定湖羊不同产羔数的各组之间,在妊娠的前50天湖羊怀单胎和双胎,双胎和三胎以及三胎和四胎之间孕酮含量无显著差异(P>0.05)。但每间隔一羔,组间呈现出显著差异(P<0.01)。10—50天各组孕酮的累积总含量与产羔数呈正相关(r=0.92、P<0.01);妊娠的第50天后孕酮含量逐渐上升,到第80天双羔组的孕酮平均含量高出单羔组的近1倍(4.OO±0.73比2.12±0.05ng/ml)。各组妊娠期孕酮的最高含量相当于初期含量的5—11倍。妊娠的第60—100天、110—150天的孕酮含量都与产羔数呈正相关,相关系数分别为r=0.93和 r=0.89,(P<0.01)。湖羊、三北羊产单羔者,妊娠期的孕酮含量无品种间差异(P>0.05)。

    The liver, lung,kidney and heart are relatively early mature. In the early stages of pregnancy , these organs develop fast and gain more weight than that of in the late stages. But the development of intestine, stomach,thymus, pancreas and testicle occur in the late stages of pregnancy. The highest peak of weight gain of the fetus is reached only after 100 days, especially after 130 days of pregnancy, while the increase in body size measurements occur before that time.The growth and the development of twins...

    The liver, lung,kidney and heart are relatively early mature. In the early stages of pregnancy , these organs develop fast and gain more weight than that of in the late stages. But the development of intestine, stomach,thymus, pancreas and testicle occur in the late stages of pregnancy. The highest peak of weight gain of the fetus is reached only after 100 days, especially after 130 days of pregnancy, while the increase in body size measurements occur before that time.The growth and the development of twins and triplets begin to differ from each other from 100 days after conception. This is in conformity to the general biological law. On the 60-70 days of pregnancy, wool fibers first appear in the head region of the fetus; on the 130 th day, the wool on the skin of the body proper begin to form 1-2 curls; on the 140th day, they begin to take the shape of a "S" curl, so as to combine with other wool fibers to form a distinct wavy pattern. In order to shorten the length of wool and to help the formation of a fine quality-lamb-pelt, it is advisable to induce early parturition on 135-140 days of pregnancy. As a guarantee the nutrient requirement of the pregnant ewe, the fetus and the lactation after parturition, the increase of nutrition level should be started at two months of gestation. The relation between nutrition and the quality of the lamb-pelt remains to be investigated.

    湖羊胎儿肝、肺、肾、心脏相对早熟,妊娠前期增重大,发育快,肠、胃、胸腺、胰腺、睾丸增重集中在后期;100日龄特别是130日龄以后,是胎儿绝对增重的高峰期,体尺的增长集中在130日龄以前,双羔和三羔胎儿生长发育上的差异自100日龄开始明显,符合一般规律。60~70日龄胎儿头部毛纤维首先穿出皮肤,130日龄体躯被毛出现1~2个弯曲,140日龄变成完整的“S”形弯曲,形成清晰的波浪花纹。为缩短羔皮被毛长度、生产优质羔皮,可于妊娠135~140日龄实行人工引产;为保证妊娠母羊、胎儿及产后哺乳的营养需要,应从妊娠两个月左右开始加强饲养,但饲养水平与羔皮品质的关系尚需探讨。

     
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