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breeding herd
相关语句
  繁殖群
     There are now 300 rabbits as the nucleus herd, 2 000 rabbits as the breeding herd and over 50 000 rabbits as the production herd.
     现有核心群300只,繁殖群2000只,生产群50000只。
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  “breeding herd”译为未确定词的双语例句
     48 Durocs were randomly selected at 28 days of age from the second generation of American Duroc Breeding herd which was imported in 2001 from U.S. The 48 gilts werefed in nursery house till they were 70 days of age at about 33 kg body weight. For the growing-finishing phases the pigs were fed with diets at DE l3.3~13.1MJ/Kg and CP 18.01%~16.03%.
     于2001年从美国引进杜洛克原种第二代种猪群中随机抽取28日龄48头杜洛克仔猪,并保育至70日龄,体重达33kg,在生长到肥育阶段饲喂含消化能l3.3~13.1MJ/Kg、粗蛋白质18.01%~16.03%的饲粮。
短句来源
     female Duroc were randomly selected at 28 days of age from the second generation of American Duroc Breeding herd which was imported in 2001 from U.S. The 48 females were fed in nursery house till they were 70 days of age at about 33 kg body weight. For the growing-finishing phases the pigs were fed ad libitum with diets at DE 13.39 MJ/kg and CP 18%~16%.
     于2001年从美国引进杜洛克原种第二代种猪群中随机抽取28日龄48头杜洛克母猪,并保育至70日龄,体重达33kg,在生长到肥育阶段饲喂含DE13.39MJ/kg,CP18%~16%的饲粮。
短句来源
     Breeding herd stabilizing
     美国的繁殖母猪饲养量保持稳定
短句来源
     On the Testing, Evaluation and Selection in Swine Breeding Herd
     再议当前场内种猪的测定与选择
     Breeding effects was influenced by breeding age and lifespan of both bucks and does in the breeding herd to great extent.
     育种群公、母羊育种年龄,使用年限对育种效益有较大影响,若改变育种群公、母羊的使用年限,将引起群体结构的变化,改变育种效益,使得整个育种体系发生较大改变。
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  相似匹配句对
     Breeding herd stabilizing
     美国的繁殖母猪饲养量保持稳定
短句来源
     On the Testing, Evaluation and Selection in Swine Breeding Herd
     再议当前场内种猪的测定与选择
     Breeding Expert
     在大白菜育种技术中放歌人生
短句来源
     Laser breeding
     激光育种
短句来源
     semenovii (Rgl. et Herd.)
     semenovii(Rgl. et Herd.)
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  breeding herd
A serological survey of goats in St Elizabeth Parish, Jamaica, comprising the breeding herd at the Agricultural Development Corporation (ADC) facility at Hounslow, five commercial herds and 21 family herds was carried out in 1985-1986.
      
These pigs were compared to age-related control animals in our breeding herd.
      
Population-S small strongyles have been studied since 1974 in central Kentucky in a closed Shetland pony breeding herd.
      
Ten older female swine (12-14 years) from the breeding herd that had been a consistent source of animals with more or less advanced atherosclerosis of aortas, extramural coronary, cerebral arteries and other sites were separated to individual pens.
      
USA had 62.149 million pigs on its farms in December 2006, according to USDA, with the national pig breeding herd at 6.088 million.
      
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The Qingyuan strain of Tianshan wapiti (C.elaphus songaricus) was selected using the methods of individual selection, single stag herd female breeding and closed breeding, and going through three stages. The first is acclimatization, determining line ancestors and constructing breeding herd. The second is multiclass inter se breeding, "crossing" ,extracting F 1 and F 2 sire stags and spreading reproduction. The third is increasing population quantity, improving quality, popularizing. The...

The Qingyuan strain of Tianshan wapiti (C.elaphus songaricus) was selected using the methods of individual selection, single stag herd female breeding and closed breeding, and going through three stages. The first is acclimatization, determining line ancestors and constructing breeding herd. The second is multiclass inter se breeding, "crossing" ,extracting F 1 and F 2 sire stags and spreading reproduction. The third is increasing population quantity, improving quality, popularizing. The line herd have 1100 heads of Qingyuan strain wapitis which have the following typical and excellent characteristics: identical appearance, larger figure, strong physique, average 7.857kg per antler, bulky and tender antler, high crude protein (63.7%) and total aminoacids (39.6%), 15 years' productive life, extensive adaptability, stable genetic properties, heritability and repeatability of antler weight being 0.37 and 0.75 respectively. Its extension produced significant economic and social benefit.

采用个体表型选择、单公群母配种和闭锁繁育等方法,经过风土驯化、确定系祖鹿和建立选育群;多组选育群自繁、“杂交”、选育,精选F1和F2代种公鹿和扩繁;扩大品系群数量、改善品系群质量、推广应用三个阶段,育成了天山马鹿清原品系鹿1100只。该品系具有体貌一致,体型较大,体质结实,鲜茸平均单产7.857kg,鹿茸粗大、肥嫩、粗蛋白质(63.7%)和氨基酸总含量(39.6%)高,茸的优质率达93%,繁殖成活率较高(59.67%),生产利用年限长(15年),适应性强,遗传性能稳定,茸重遗传力0.37、重复力0.75,经济效益和社会效益显著等典型优良性状

French Angora Rabbit, New Zealand Rabbit and SAB Rabbit with high coarse wool rate were selected and crossed with German Angora Rabbit of high wool yield. Ideal individuals were picked out from the third generation to the fifth generation and the new strain of rabbit known as Su(I) has thus been derived. There are now 300 rabbits as the nucleus herd, 2 000 rabbits as the breeding herd and over 50 000 rabbits as the production...

French Angora Rabbit, New Zealand Rabbit and SAB Rabbit with high coarse wool rate were selected and crossed with German Angora Rabbit of high wool yield. Ideal individuals were picked out from the third generation to the fifth generation and the new strain of rabbit known as Su(I) has thus been derived. There are now 300 rabbits as the nucleus herd, 2 000 rabbits as the breeding herd and over 50 000 rabbits as the production herd. The fifth generation rabbits have characteristics as follows∶①The average coarse wool rate,annual wool yield and adult(11 mths) weight are 15 71% ,898 g and 4 505 g respectively, which are 4 73%,12 25% and 12 63%,respectively,higher than expected.② The diameters of coarse wool and down fibre are 41 16 μm and 14 20 μm respectively; their strength and elongation match the requirements of textile industry.③ Breeding performance of does: total litter size,survival litter size,initial litter weight, litter weight at 2l d, weaning litter size and individual weight at weaning are 7 14, 6 76, 350 5 g, 2 775 g, 5 71 and 1 030 g, respectively.The hereditary characters of the Su(I) new strain have become basically stable after 8 years breeding. The heritabities for coarse wool rate and wool yield are 0 134 and 0 295, respectively. The coefficients of genetic correlation and phenotypic correlation between coarse wool rate and wool yield are 0 131 and 0 147, respectively.

选用含粗毛率高的法系安哥拉兔、新西兰兔、SAB兔与产毛量高的德系安哥拉兔进行品种(系)间杂交,至第三代选出理想个体进行横交,继代选育,经过5个世代育成了苏I系粗毛兔新品系。现有核心群300只,繁殖群2000只,生产群50000只。第五世代兔具有以下特点:①平均粗毛率15.71%,年产毛量898g,11月龄体重4505g,分别比预定指标提高4.73%、12.25%、12.63%;②粗毛和细毛的细度分别为41.16μm和14.20μm,强力、伸长等均符合纺织要求;③母兔繁殖性能,总产仔数7.14只,产活仔数6.76只,初生窝重350.5g,21日龄窝重2775g,断奶活仔数5.71只,断奶个体重1030g。苏I系兔遗传性能基本稳定,粗毛率和产毛量的遗传力分别为0.134和0.295,两者遗传相关系数为0.131,表型相关系数为0.147。

and 99 Brahman cattle were imported from Australian to Yunnan province in 1993 and 111 head of Brahman in 1998, as the first pure breeding herd in China, was domesticated and reared in demonstration farm of Yunnan beef cattle and forage research center. The adaptability, disease resistance, production performance and cross breeding results of Brahman cattle in Yunnan were preliminarily summerized.

云南省于1993 年和1998 年从澳洲分别引进了24 头和99 头婆罗门种牛,其中111 头作为中国第一个婆罗门纯繁群留在云南省肉牛和牧草研究中心示范牧场驯化饲养。本文初步总结了这一品种在云南的适应性、抗病性、生产性能和杂交改良效果等。

 
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