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矮小型     
相关语句
  dwarf-type
     The Application of Dwarf-type Line (S_1) in Quality Chicken Production
     矮小型品系(S_1系)在优质鸡生产中的应用
短句来源
  dwarf layers
     In this experiment, 100 China agricultural university dwarf layers of 285 daysage were selected and randomly allocated into 5 groups. Mulberry fodders of 0%, 2.5%, 5%, 7.5% and 10% were respectively added to the diet. The trial period lasted 30 days so as to determine the egg quality.
     本实验选用100只285日龄的农大矮小型蛋鸡,随机分为5组,各实验组在全价料的基础上分别添加0%、2.5%、5%、7.5%、10%的桑饲料颗粒料,实验期30d,进行蛋品质测定。
短句来源
     Genetic Analysis and the Associated Molecular Markers of the Egg Quality Traits in Dwarf Layers
     矮小型蛋鸡蛋品质性状遗传分析及相关分子标记的研究
短句来源
     Further investigation in dwarf layers and Blue-shell chickens under cage system indicated that PRLpro2 did not influence egg production traits including age at first egg, body weight at first egg, weight of first egg, egg weight at 40 wks, and egg number at 40 wks or 300 d (p>0.05).
     进一步分析PRLpro2与矮小型蛋鸡和绿壳蛋鸡产蛋性能的相关,结果表明,该位点变异对开产日龄、开产体重、开产蛋重、40龄蛋重、以及40周龄或300日龄产蛋量等早期产蛋性状均无显著影响(P>0.05)。
短句来源
     The means of polymorphic information content (PIC) and heterozygosity (H) of 17 markers on the autosome were 0.441 and 0.497. It is concluded that the pureline of dwarf layers had a high degree of homozygosity after selective breeding for ten years.
     位于常染色体上的17个标记的平均多态信息含量为0.44平均杂合度为0.497,从分子水平上证明经过10年的育种,矮小型蛋鸡群体的纯合度达到了很高的水平。
短句来源
  dwarf chicken
     Effects of Growth Hormone Receptor Gene Mutation on Semen Quality of Sex-linked Dwarf Chicken
     生长激素受体缺失对伴性矮小型公鸡精液品质的影响
短句来源
     Absreact: This experiment was conducted to study the influence of growth hormone receptor(GHR) gene mutation on the semen quality of sex-linked dwarf chicken.
     以伴性矮小型公鸡和普通杂合子型公鸡为研究材料,就生长激素受体(GHR)基因的缺失对公鸡精液品质的影响进行研究。
短句来源
  dwarf broiler
     BREEDING OF A NEW STRAIN OF YELLOW FEATHER DWARF BROILER
     矮小型黄鸡新品系培育
短句来源
     Through intercross the dw gene from white feather broiler was introduced into yellow feather birds in order to breed a new strain of yellow feather dwarf broiler.
     通过杂交,将白羽肉鸡中的dw基因导入黄羽肉鸡,培育矮小型黄羽肉鸡新品系。
短句来源
     The Correlation Analysis between Plasma Very Low Density Lipoprotein Concentration and Body Fat Content in Yellow Feather Dwarf Broiler
     矮小型肉鸡血浆极低密度脂蛋白浓度与腹脂性状的相关分析
短句来源
     Yellow feather dwarf broiler lines N 301 of Wen's breeding company in G8 were used to analyse correlation between plasma very low density lipoprotein concentration and fatness traits. The results of analysis showed that the variation coefficient of blood plasma VLDL concentration in male and female broilers at 10-week-old was great (49.86% and 49.51%).
     以温氏育种公司黄鸡矮小型品系N30 1为材料 ,分析血浆VLDL浓度与腹脂性状间的关系 ,结果表明 :10周龄公母鸡血浆VLDL浓度的变异系数很大 ,分别为 4 9.86 %和 4 9.5 1% ;
短句来源

 

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      dwarf-type
    Morphological differentiation of dwarf-type ecads was related to environmental components other than exposure to low and/or fluctuating salinities.
          
    Using Near Infrared Reflectance Spectroscopy to Schedule Nitrogen Applications on Dwarf-Type Bermudagrasses
          
    Turf- and dwarf-type tall fescues may lack the potential drought-avoidance characteristics associated with cultivars like Kentucky 31.
          
      dwarf chicken
    Abnormal growth hormone receptor gene expression in the sex-linked dwarf chicken.
          


    Yunnanilus discoloris sp. nov. (fig. 1)Holotype ♂, No. 875001, total length 35.5 mm, standard length 30mm, collected in May 1987, in Chenggong County (24°50'N, 102°45'E). Allotype ♀, No. 875002, total length 39mm, standard length 31.5mm, date and locality same as holotype. Pacatypes 111, total length 19-46 mm, standa-d length 15.5-39.5 mm, collected in October 1983, February and March 1986 and May 1987, locality same as holotype.D. iii-8-9 (rare 8); P. i-11-12; V. i-7; A. iii-5; C. 14 (branched).Depth of body...

    Yunnanilus discoloris sp. nov. (fig. 1)Holotype ♂, No. 875001, total length 35.5 mm, standard length 30mm, collected in May 1987, in Chenggong County (24°50'N, 102°45'E). Allotype ♀, No. 875002, total length 39mm, standard length 31.5mm, date and locality same as holotype. Pacatypes 111, total length 19-46 mm, standa-d length 15.5-39.5 mm, collected in October 1983, February and March 1986 and May 1987, locality same as holotype.D. iii-8-9 (rare 8); P. i-11-12; V. i-7; A. iii-5; C. 14 (branched).Depth of body 4.7 (4.2-5.2), head length 3.9 (3.6-4.0), length of peduncle 7.7 (6.2-9.3), depth of peduncle 13.2 (10.7-14.2) in standard length. Snout 3.1 (2.7-3.6), eye 3.8 (3.3-4.5), intcrorbital space 3.6 (3.1-4.7) in head length. Depth of caudal peduncle 1.7 (1.5-2.1) in its length.Nostrils well separated, the anterior tubular. Mouth inferior, horse-shoe-shaped. Upper lip smooth, lower one wrinkle, interrupted at middle. Barbies at corner of mouth reaching middle of eye. Mouth in ferior. Origin of dorsal fin midway between tip of snout and caudal base. Caudal forked. Body naked. Lateral line incomplete, with 4-10 pores, disappeared near the middle of pectoral. Sexual dimorphism in colour. In male, a black longitudinal stripe on both sides and a light blackish stripe or lumps along back. In female, black spots and blotches on back and lateral sides. Both sexes, dorsal, anal and vertral with one light blackish stripe, caudal with one or two stripes.Diagnosis: The new species differs from pleurotaenia in the following aspects: 1. body naked; 2. origin of dorsal fin at middle of body; 3. branched caudal rays 14; 4. branched ventral rays 7; 5. dwarfism.The type specimens are preserved in the Museum of Zoology, Yunnan University, and in the Museum of Kunming Institute of Zoology, Academia Sinica.

    云南省呈贡县白龙谭生活着两种色型的云南鳅,经解剖证实,它们为同种异色型;实地考察和100余尾标本验证,它们的全长均小于50mm,但所怀卵粒已近成熟,堪称为矮小型种。与云南鳅属已纪录的种比较后确认,该种云南鳅为一尚未纪录的新种,命名为异色云南鳅 Yunnanilus discoloris。

    The research was conducted to determine the productivity of purebred ISA Vedette Broiler. The result showed that a significant body weight superiority of B line to A line was found at sixth week (P<0.05), and extremely significant body weight of D and E line to DW C line (P<0.01). It was no marked difference in rate of dressed weight, eviscerated yield and breast—leg muscle yield for paternal (A, B) and maternal (C, D, E)line. DW C line was characterized by lighter weight, less housing area, higher egg production,...

    The research was conducted to determine the productivity of purebred ISA Vedette Broiler. The result showed that a significant body weight superiority of B line to A line was found at sixth week (P<0.05), and extremely significant body weight of D and E line to DW C line (P<0.01). It was no marked difference in rate of dressed weight, eviscerated yield and breast—leg muscle yield for paternal (A, B) and maternal (C, D, E)line. DW C line was characterized by lighter weight, less housing area, higher egg production, littler food consumption, lower production cost, but poor in reproduction performance. These were mainly connected with such factors as heredit, environment and nutrition, etc. Some reasonal improving methods are suggested in this paper.

    对伊莎明星肉鸡(纯系)的生产性能进行了测定研究,结果表明:6周龄体重B系显著大于A系(P<0.05),D、E系极显著大于C系(P<0.01),但A与B、C、D、E系间屠宰率,全净膛率及胸腿肌率无显著性差异(P>0.05);矮小型C系具有体重轻,占地面积小,产蛋率高,节约饲料,降低生产成本等优点;但其繁殖性能较差,主要与遗传、环境、营养等因素有关。

    Experiments were conducted with buff-feather broilers from 1 dwarf and 3 normal-sized strains and their crossbred groups to investigate the effect of the sex-linked dwarf geneon the early growth of buff-feather broiler chickens. The results showed that dw gene hadunfavorable effect on the early growth of buff-feather meat birds and it was not entirely re-cessive to normal-sized gene(dw).The early growth of hybrids from dwarf dams mated tonormal-sized male showed significant heterosis.However,the heterotic effect...

    Experiments were conducted with buff-feather broilers from 1 dwarf and 3 normal-sized strains and their crossbred groups to investigate the effect of the sex-linked dwarf geneon the early growth of buff-feather broiler chickens. The results showed that dw gene hadunfavorable effect on the early growth of buff-feather meat birds and it was not entirely re-cessive to normal-sized gene(dw).The early growth of hybrids from dwarf dams mated tonormal-sized male showed significant heterosis.However,the heterotic effect changed withdifferent normal-sized strains.The light meat strain crosses had higher heterosis for the earlygrowth than the heavy meat strain crosses.

    利用矮小型黄羽肉鸡品系和3个正常型黄羽肉鸡品系及其杂交鸡为材料,测定早期生长体重,研究dw基因对黄羽肉鸡早期生长的影响。结果表明,dw基因严重阻碍黄羽肉鸡生长速度,对正常体型基因Dw为不完全隐性。矮小型品系母鸡与两个非同源正常型公鸡杂交,其杂交后代体重表现出显著的杂交优势,但其杂交优势率因正常型品系类型不同而有差异,轻型品系杂交效果优于重型品系。

     
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