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抗病性能

抗病性能的相关文献在1995年到2022年内共计120篇,主要集中在农作物、畜牧、动物医学、狩猎、蚕、蜂、园艺 等领域,其中期刊论文69篇、会议论文37篇、专利文献182553篇;相关期刊52种,包括中国禽业导刊、江西农业大学学报、安徽农业科学等; 相关会议29种,包括中国园艺学会十字花科蔬菜分会第十三届学术研讨会 、第十七次全国小麦栽培科学学术研讨会 、全国农业生物化学与分子生物学第十四届学术研讨会等;抗病性能的相关文献由391位作者贡献,包括张全中、敖秋桅、朱佳杰等。

抗病性能—发文量

期刊论文>

论文:69 占比:0.04%

会议论文>

论文:37 占比:0.02%

专利文献>

论文:182553 占比:99.94%

总计:182659篇

抗病性能—发文趋势图

抗病性能

-研究学者

  • 张全中
  • 敖秋桅
  • 朱佳杰
  • 甘西
  • 谭芸
  • 袁伯英
  • 丁成江
  • 吴兰波
  • 周宇
  • 宁中华
  • 期刊论文
  • 会议论文
  • 专利文献

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    • 吕纪元
    • 摘要: 本文对施氏鲟、西伯利亚鲟及其杂交种氏杂、亚杂等4种鲟的生殖特性、生长特性进行比较分析,并进行肌肉营养素和抗病性分析.结果显示:在现阶段,氏杂种具有与纯种相似的营养价值,这4种品种之间的差别不大,它们的蛋白和脂肪高于大多数淡水鱼.此外,肌肉营养与繁殖环境和生长阶段有关.施氏鲟和西伯利亚鲟品种的杂交有比较好的氏杂优势,特别是亚杂.
    • 明磊; 戴习林; 江宗冰; 丁福江
    • 摘要: 为了比较4个罗氏沼虾抗病选育群体(A、B、C、D)的抗病性能,对4个罗氏沼虾选育群体和1个非选育群体(E)进行了溶藻弧菌肌肉注射感染试验,运用高通量测序方法比较不同罗氏沼虾群体间感染组和对照组肌肉组织中弧菌的变化情况,根据感染成活率的差异性,分析其中3个罗氏沼虾群体(A、C、E)肠道组织和养殖水体的菌群多样性.结果表明:肌肉组织样品中微生物主要分为6个门,其中厚壁菌门占绝对优势,次优势门为变形菌门,软壁菌门和酸杆菌门的含量相对较低;各感染组芽孢杆菌属、假单胞菌属、嗜冷杆菌属的含量都高于对照组,而乳球菌属、乳酸杆菌属的含量明显低于对照组;肠道组织和养殖水体中微生物主要分为3个门,分别是变形菌门、拟杆菌门和厚壁菌门;基于不同罗氏沼虾群体肌肉组织中不同时间段内溶藻弧菌的含量,5个群体的抗弧菌感染能力分别为A>B>E>D>C,与感染成活率结果一致.综上,罗氏沼虾体内的菌群结构和养殖水环境密切相关,但相对独立;芽孢杆菌和类芽孢杆菌的含量差异可能是造成A群体和C群体感染成活率差异显著的原因.
    • 沈夏霜; 敖秋桅; 甘西; 谭芸; 罗永巨; 梁军能; 朱佳杰
    • 摘要: 为评估吉富罗非鱼(GIFT Oreochromis niloticus)抗病F5代的选育效果,以F0代群体和奥尼罗非鱼(Oreo-chromis aureus×O.niloticus)作为对照组,对F5代42个家系的抗病性能及生长性能进行评估.对42个家系进行人工腹腔注射感染无乳链球菌(Streptococcus agalactiae)后,分别有36个和22个家系的感染成活率比F0代和奥尼罗非鱼高,各家系的抗病育种值为-0.158~0.086;生长性能测定发现,42个家系中有27个家系的绝对增长率大于F0代;感染成活率与体质量之间的遗传相关系数为-0.033.综合分析各个家系的感染成活率、抗病育种值和绝对增长率,筛选出抗病力强且生长速度快的家系7个(2#、3#、4#、6#、28#、31#和35#),可作为F6代选育和苗种扩繁的亲本.结果表明,经过5个世代的针对性选育,吉富罗非鱼的抗病性能和生长性能均得到了明显改善,选育效果显著.%To assess the effects of selective breeding in GIFT tilapia (Oreochromis niloticus), we measured the disease resistance and growth performance of 42 families of GIFT tilapia F5 generation, taking F0 generation and hybrid tilapia (Oreochromis aureus×O.niloticus) as control groups. The results show that the survival rates of 36 families of F5 generation were higher than that of F0 generation, and the survival rates of 22 families were higher than that of hybrid tilapia after Streptococcus agalactiae infection. The disease-resistant breeding value was - 0.158 - 0.086 among different families. The absolute growth rates of 27 families were higher than that of F0 generation. The correlation coefficient between the survival rate and the body mass was negative, and the quantitative value was - 0.033. According to the comprehensive comparison among the survival rate, disease-resistant breeding value and absolute growth rate for 42 families of F5 generation, we have screened seven families (2#, 3#, 4#, 6#, 28#, 31#, 35#) which were best-performing and can be used as breeding parents of F6 generation. The results indicate that the disease resistance and growth per-formance of GIFT tilapia were improved significantly after five generations' selective breeding.
    • 沈夏霜; 敖秋桅; 甘西; 谭芸; 罗永巨; 梁军能; 朱佳杰
    • 摘要: 为评估吉富罗非鱼(GIFT Oreochromis niloticus)抗病F5代的选育效果,以F0代群体和奥尼罗非鱼(Oreochromis aureus×O.niloticus)作为对照组,对F_5代42个家系的抗病性能及生长性能进行评估。对42个家系进行人工腹腔注射感染无乳链球菌(Streptococcus agalactiae)后,分别有36个和22个家系的感染成活率比F0代和奥尼罗非鱼高,各家系的抗病育种值为–0.158^0.086;生长性能测定发现,42个家系中有27个家系的绝对增长率大于F_0代;感染成活率与体质量之间的遗传相关系数为–0.033。综合分析各个家系的感染成活率、抗病育种值和绝对增长率,筛选出抗病力强且生长速度快的家系7个(2^#、3^#、4^#、6^#、28^#、31^#和35^#),可作为F6代选育和苗种扩繁的亲本。结果表明,经过5个世代的针对性选育,吉富罗非鱼的抗病性能和生长性能均得到了明显改善,选育效果显著。
    • 朱明义
    • 摘要: 为积极防控我区甘薯茎腐病,我站2016—2017年连续两年开展省育甘薯抗病新品种引试工作,并于2017年进行推广种植。从试验表现来看,其中“浙薯255”抗病性能突出,两年试验均强于其他品种,试验种植产量较高,较适合我区居民口味,具有在我区推广种植的基本条件。现将两年的种植表现与高产栽培要点总结如下:
    • 齐茜; 刘浩浩; 李忠华; 买丽坎·依不拉英; 白喜军; 王文峰; 刘晓勇
    • 摘要: 针对施氏鲟(Acipenser schrencki)、西伯利亚鲟(A.baeri)及其杂交种施杂(史氏鲟♀×西伯利亚鲟♂)、西杂(西伯利亚鲟♀×史氏鲟♂)等4种鲟鱼的繁殖性能、生长性能、肌肉营养成份及抗病性能进行比较分析.结果显示:施氏鲟的绝对怀卵量为8~28万粒,西伯利亚鲟的绝对怀卵量为5~16万粒,4种鲟鱼的平均受精率为70%~90%,孵化率为60%~80%,其中施氏鲟平均受精率、孵化率最高;西杂的平均受精率和孵化率高于施杂.4种鲟鱼之间的平均开口率为85%~95%,其中西杂开口率最高,其次是施杂.4种鲟鱼之间的主要肌肉营养成份差异不明显(P>0.05).2月龄时,西杂的成活率最高,4种鲟鱼生长速度基本一致,至12月龄时,2种杂交种的平均体长和体质量高于纯种施氏鲟和西伯利亚鲟(P>0.05).2~12月龄,4种鲟鱼的a值约等于3,均属于等速生长,4种鲟鱼的肥满度为0.33~0.44.施杂、西杂在5个免疫组织的ACP、AKP、SOD活性高于2个纯种,而NO、MDA活性低于2个纯种.研究认为:施氏鲟和西伯利亚鲟的杂交后代是比较好的优势杂交组合,尤其是西杂.%This study aimed to compare the reproductive performance,growth performance,muscle nutrition and disease resistance performance among four kinds of sturgeon (A.schrencki ,A.baeri,A.schrencki ♀ x A.baeri♂(simply called schhybrid),A.baeri ♀ x A.schrencki♂ (simply called baehybrid).The Results showed:the absolute fecundity of A.schrencki was 80 000-280 000 granules and that of A.baeri was 50 000-160 000 granules;the average fertility rate of the four kinds of sturgeon was from 70% to 90%,the hatching rate from 60% to 80%,while the average fertilization rate and hatching rate of A.schrencki were the highest,and those of baehybrid was higher than those of schhybrid.The average opening rate of the four sturgeons was 85%-95%,and the highest was found in baehybrid,the next was in schhybrid.There was no significantly difference among the main muscle nutrition of the four sturgeons (P > 0.05).When 2-month old,the survival rate of baehybrid was the highest;when 12-month old,the average body length and weight of the two hybrids were higher than those of A.schrencki and A.Baeri(P>0.05).The a value of the four sturgeons was approximately 3 when 2-12 month old,so they all belonged to the constant growth style.The condition factor (CF) of the four sturgeons was 0.33 to 0.44.The activities of ACP,AKP,SOD of five immune tissues in baehybrid and schhybrid were higher than those in A.schrencki and A.baeri,while the activities of NO,MDA were lower.The experiment results roughly showed that the hybrid offsprings of A.schrencki and A.baeri are good,especially baehybrid.
    • 贾登三
    • 摘要: 烂铃是棉花的主要病害,可造成其产量品质大幅下降。烂铃一般造成减产10%~20%,收入减少25%左右;大发生年份,烂铃高达30%~40%,减产30%以上,减收50%左右。由于抗虫棉的抗病性能差,加之"两膜"栽培田比重越来越大,致使近年来烂铃呈上升趋势。
    • 徐绍刚; 杨晓飞; 田照辉; 李文通; 马峻峰
    • 摘要: In order to get Albino rainbow trout strains with good productivity,a reciprocal-crossing experi-ment was carried out on Albino rainbow trout and steelhead trout,and the rate of growth,disease resistance were compared using hybrid progeny seedling and its parents.The results were as follows.The hybrids were of Albino rainbow trout’s color(golden).The eyed egg rate of fertilization eggs from steelhead trout♀×Albino rainbow trout♂was 59.47-81.22%,and that of the eggs from Albino rainbow trout♀×Steelhead trout♂was 76.91%-81.22%.The hatching rate of fertilization eggs of the four groups was 91.55%-94.25%.The average AGRs (Absolute growth rate) of steelhead trout selfing,steelhead trout♀×Albino rainbow trout♂,Albino rainbow trout♀×steelhead trout♂ and Albino rainbow trout selfing were 0.106,0.103,0.101 and 0.073 respectively. The AGRs of the two reciprocal hybrids were significantly higher than that of Albino rainbow trout selfing ( P<0.05) and lower than that of steelhead trout selfing,but there was no significant difference between the two re-ciprocal hybrids (P<0.05).After vibrio anguillarum infection,the mortality rates of steelhead trout selfing, steelhead trout♀×Albino rainbow trout♂,Albino rainbow trout♀×steelhead trout♂ and Albino rainbow trout selfing were 54.5%,60.8%,61.4%and 100%respectively.The infection experiment revealed:steelhead trout selfing had the highest resistance,the two reciprocal hybrids took the second place and significantly higher than Albino rainbow trout selfing( P<0.05) ,there was no significant difference between the two hybrids,Albino rain-bow trout had the lowest resistance.%为获得生产性能优良的金鳟品系,开展硬头鳟和金鳟的正反杂交实验,并对杂交子代苗种的生长速度、抗病性能与亲本进行对比。结果表明:杂交子代均为金鳟体色;硬头鳟自交组及硬头鳟♀×金鳟♂杂交组受精卵发眼率为59.47%~62.52%,金鳟自交组及金鳟♀×硬头鳟♂的杂交组受精卵发眼率为76.91%~81.22%,4个实验组苗种孵化率保持在91.55%~94.25%;硬头鳟自交组、硬头鳟♀×金鳟♂杂交组、金鳟♀×硬头鳟♂杂交组、金鳟自交组绝对增重率分别为0.106、0.103、0.101和0.073,正反杂交组苗种的绝对增重率略低于硬头鳟自交组( P<0.05),但显著高于金鳟自交组,2个正反杂交组间无显著差异;鳗弧菌攻毒后硬头鳟自交组、硬头鳟♀×金鳟♂杂交组、金鳟♀×硬头♂杂交组、金鳟自交组死亡率分别为54.5%、60.8%、61.6%、100%,正反杂交组苗种抗鳗弧菌病性能比硬头鳟自交组苗种稍差,但显著优于金鳟自交组苗种(P<0.05),正反杂交组子代苗种间无明显差异。
    • 麻慧; 韩红兵; 宁中华; 连正兴
    • 摘要: [目的]单核巨噬细胞在免疫系统中发挥着重要的作用,试验研究了对单核巨噬细胞吞噬性能的选择影响矮小鸡G1代抗传染性支气管炎病毒(IBV)的能力.[方法]在矮小鸡290日龄时,检测了G0代5 00只个体(母鸡400只,公鸡100只)的吞噬指数(PI),并根据PI的大小分为强吞噬力组(HPIG)和弱吞噬力组(LPIG).建立2×2交配组合:HPIG ♂×HPIG ♀(强公强母组),LPIG ♂×HPIG♀(弱公强母组),HPIG♂×LPIG♀(强公弱母组),LPIG ♂×LPIG ♀(弱公弱母组).随机选择400只1日龄G1代雏鸡(每组1 00只,公母各半),其中360只采用滴鼻方式人工接种含IBV M41病毒的鸡胚尿囊液,40只作为对照,连续观察14d,记录死亡数,制作石蜡切片进行H.E.染色,并通过红细胞凝集抑制试验(HI)测定15d时存活鸡只的抗体效价.G1代鸡20周龄时,选择母鸡12只,其中强组母鸡后代6只,弱组母鸡后代6只,以病毒模拟物Poly I:C刺激体外培养的单核巨噬细胞,采用荧光定量PCR的方法测定细胞因子及主要组织相容性复合体(MHC) mRNA的表达水平.[结果]G0代不同个体对异源红细胞的吞噬能力差异显著,通过测定G0代个体的吞噬指数,建立交配组合,孵育得到G1代鸡.对G1代鸡的IBV攻毒试验的结果为强公强母组后代的死亡率(33.3±0.05)%显著低于弱公弱母组(55.6±0.05)%,其他两个组合后代的死亡率介于上述值之间,弱公强母组为(43.3±0.05)%,强公弱母组为(47.8±0.05)%;母鸡对后代的影响大于公鸡,强母组后代的死亡率(38.3±0.04)%显著低于弱母组(51.7±0.04)%.攻毒组在接种IBV M41病毒3d后表现出咳嗽、呼吸困难、食欲减退、精神沉郁等临床症状,对病死鸡的气管及肾脏的H.E.染色结果可见典型的病灶,气管上皮细胞坏死脱落,肾小管上皮细胞发生空泡变性等,而对照组均无临床症状及组织病变.对198只攻毒后存活个体抗体滴度的测定结果显示强组母鸡后代抗体滴度(8.45±0.07)显著高于弱组母鸡后代的抗体滴度(8.10±0.08).利用病毒模拟物Poly I:C刺激体外培养的单核巨噬细胞2h后,强吞噬力个体(强组母鸡后代)细胞因子IFN v和IL-1β的表达量分别是弱吞噬力个体(弱组母鸡后代)的5.14倍(P<0.05)和2.41倍(P<0.05).强吞噬力个体MHC Ⅰ的表达量显著高于弱吞噬力个体,而MHC Ⅱ的表达量差异不显著.[结论]通过测定体外培养的单核巨噬细胞的吞噬性能,按照吞噬指数的高低建立交配组合,强吞噬力母鸡后代的攻毒死亡率显著低于弱吞噬力母鸡后代,且其抗体滴度、细胞因子(IFNγ、IL-1β)和MHCI的表达量显著高于弱吞噬力母鸡后代,说明强吞噬力母鸡后代具有较强的抗IBV的能力.因此单核巨噬细胞的吞噬能力可以作为培育抗IBV品系的一种指标.
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