饲粮添加维生素E和硒对育成期水貂生长性能、营养物质消化率及血清生化指标的影响     

张婷  杨雅涵  李仁德  王静  刘可园  刘学庆  郭肖兰  李光玉 《动物营养学报》2018,(10)

本试验旨在研究饲粮添加维生素E(VE)和硒(Se)对育成期水貂生长性能、营养物质消化率及血清生化指标的影响。选取60只70日龄、平均体重为(1 030.64±85.50) g的健康雄性短毛黑水貂,随机分成4组,每组15个重复,每个重复1只,分别饲喂基础饲粮(对照组)、基础饲粮+200 mg/kg VE(以DL-α-生育酚乙酸酯为VE源,含量为50%)(VE组)、基础饲粮+0.2 mg/kg Se(以甘氨酸纳米硒为Se源,含量为1%)(Se组),基础饲粮+200 mg/kg VE+0.2 mg/kg Se(VE+Se组)。试验从2017年7月14日开始,至2017年9月14日结束。结果显示:1)与对照组相比,VE组和VE+Se组水貂平均日增重显著增加而料重比显著下降(P 0.05)。2) VE+Se组水貂脂肪消化率极显著高于对照组(P0.01),但与VE组和Se组差异不显著(P0.05)。3) VE+Se组水貂血清超氧化物歧化酶(SOD)和谷胱甘肽过氧化物酶(GSH-Px)活性显著或极显著高于对照组(P0.05或P0.01),但与VE组和Se组差异不显著(P0.05);与对照组相比,饲粮单独添加VE或同时添加VE和Se极显著降低水貂血清活性氧(ROS)水平(P0.01)。4) VE+Se组水貂血清免疫球蛋白G(IgG)水平显著高于VE组和Se组(P0.05),但与对照组差异不显著(P0.05)。与对照组相比,饲粮同时添加VE和Se显著提高水貂血清白介素-2(IL-2)水平(P0.05)。综合考虑得出,本试验条件下,饲粮中同时添加200 mg/kg VE和0.2 mg/kg Se可促进育成期水貂生长,提高脂肪消化率,同时增强机体抗氧化能力及免疫力。  相似文献   

半胱胺盐酸盐对冬毛期雄性水貂毛皮品质、血清生化和激素指标及肝脏相关基因表达的影响     

孙伟丽  樊燕燕  张婷  王卓  李恒伟  李光玉 《动物营养学报》2018,(11)

本试验旨在研究饲粮中添加半胱胺盐酸盐(CSH)对冬毛期雄性水貂毛皮品质、血清生化和激素指标及肝脏相关基因表达的影响。选择160日龄体重[(2.13±0.10) kg]相近的健康冬毛期雄性水貂56只,随机分为7组,每组8个重复,每个重复1只。各组分别饲喂在基础饲粮中添加0(Ⅰ组,对照组)、60(Ⅱ组)、90(Ⅲ组)、120(Ⅳ组)、60(Ⅴ组)、90(Ⅵ组)、120 mg/kg(Ⅶ组) CSH的试验饲粮;其中,Ⅱ、Ⅲ、Ⅳ组添加方式为连续添加,Ⅴ、Ⅵ、Ⅶ组添加方式为间隔添加(连续添加1周,间隔1周)。预试期7 d,正试期51 d。结果表明:1)Ⅵ和Ⅶ组水貂皮长、针毛长度和绒毛长度显著或极显著高于对照组(P0.05或P0.01)。2)Ⅱ、Ⅲ、Ⅴ、Ⅵ、Ⅶ组血清尿素氮含量显著或极显著低于对照组(P0.05或P0.01),Ⅱ、Ⅲ、Ⅴ、Ⅵ、Ⅶ组血清甘油三酯含量显著或极显著低于对照组(P0.05或P0.01)。3)Ⅵ组血清生长激素含量显著高于对照组和Ⅳ组(P0.05),Ⅱ、Ⅲ、Ⅵ组血清生长抑素含量显著低于对照组和Ⅳ组(P0.05),Ⅱ、Ⅲ、Ⅳ、Ⅴ、Ⅵ、Ⅶ组血清生长激素受体含量显著或极显著高于对照组(P0.05或P0.01),Ⅱ、Ⅲ、Ⅴ、Ⅵ、Ⅶ组血清胰岛素样生长因子-Ⅰ含量显著高于Ⅳ组(P0.05)。4)Ⅵ组肝脏胰岛素样生长因子-Ⅰ基因表达量显著高于对照组和Ⅱ、Ⅳ、Ⅴ组(P0.05),Ⅵ组肝脏胰岛素样生长因子-Ⅰ受体基因表达量显著高于Ⅱ、Ⅳ、Ⅴ组(P0.05),Ⅱ、Ⅲ、Ⅳ、Ⅴ、Ⅵ、Ⅶ组肝脏生长激素受体基因表达量显著或极显著高于对照组(P0.05或P0.01)。由此可见,在本试验条件下,冬毛期雄性水貂饲粮中CSH的适宜添加水平为90 mg/kg,适宜添加方式为间隔添加。  相似文献   

涂饰工艺对木质体育地板表面滑动摩擦系数的影响研究     

王齐  周志芳*  何金存等 《林业科技》2014,(2):25-27

采用正交试验法,研究涂饰工艺对木质体育地板表面滑动摩擦系数的影响,试验因素为面漆涂饰次数、涂料种类和面板砂光目数,试验测试指标为表面滑动摩擦系数。方差分析结果表明,涂料种类与测试指标呈极为显著的影响关系,水性面漆涂饰的试件表面滑动摩擦系数相对较高;其他2个因素与测试指标之间无显著影响关系。砂光目数极可能对表面滑动摩擦系数有一定影响,但这一影响关系被底漆涂饰工艺所覆盖,因此所有试件的表面滑动摩擦系数全部达到了国家标准的要求。  相似文献   

蛋白质营养对梅花鹿鹿茸生长的研究进展     

宁浩然  崔学哲  李光玉  王凯英  王欣  鲍坤 《黑龙江畜牧兽医》2011,(6):26-28

雄性梅花鹿的鹿茸是可以每年完全再生的器官,具有独特的研究价值.营养与鹿茸生长有着特殊的关系,饲料的营养状况影响着鹿及鹿茸的生长发育,蛋白质是梅花鹿必需的营养物质之一,日粮中合理利用蛋白质资源对减少蛋白质饲料的浪费具有重要意义.本文对生茸期梅花鹿蛋白质的营养需求及生长情况进行综述,分析蛋白质营养基因水平上可能的作用机制,...  相似文献   

Improvement of Appearance Traits of elite Rice Zhenshan 97B by Molecular Introgression of Targeted about 800 kb Interval from Indica Rice Jiafuzhan Genome     

X.J. Fang * L.R. Jiang Hainan Institute of Tropical Agricultural Resources  Sanya    China  Life College  Xiamen University  Xiamen  Fujian  China. 《分子植物育种》2007,5(2):209-210

Rice appearance trait is mainly mean grain length (GL), grain width (GW), ratio of length and width (L/W), chalkiness (CH) and transparence (TR). Appearance is the first impression, and rice appearance traits effect significantly the value of commodity. Hybrid rice is relatively low quality, especially on rice appearance quality,which restricts partially its extend and badly export of hybrid seed and rice in China.Shanyou 63, the most famous hybrid rice combination of China, could not be also sustainable application because of its poor qualities. In this studies, We attempt to improve appearance quality of the elite rice maintainer of Zhenshan 97B by using molecular approach of genomic interval targeted introgression. Three F2 populations were constructed to study the classical and molecular genetic of rice appearance traits, at the same time, molecular marker-asisted toimprove the main maintainer line, Zhenshan 97B were performed. There some following results:Three F2 populations were constructed based on crosses of Guangluai 4×Jiafuzhan (GJ popu.), Minghui 86×Jiafuzhan (MJ popu.) and Zhenshan 97B×Jiafuzhan (ZJ popu.). ZJ popu and GJ popu were produced to reconstruct the linkage maps related with rice appearance traits based on BSA, and detect QTL of target traits based on IM.In ZJ popu, 9 QTLs of target traits were detected. The interval, RM169～RM516 on Chromosome 5, was genetic locus of GW, L/W, CH and BW, and the explained variances were 10.9%, 14.9%, 12.0% and 14.2%, respectively.RM214 on chromosome 7, RM339 on chromosome 8 were genetic loci if CH and BW, and the explained variances were 9.4%, 10.0%, 11.0% and 12.1%. besides there is a genetic locus, RM347, of G/W on chromosome 3, and the explained varance was 10.3%. In GJ popu, 5 QTLs of rice appearance traits were detected. The interval, RM169-RM516 on Chromosome 5, were also the genetic loci of GW, CH and BW, and the explained variances were 9.0%, 12.5%, and 13.6%, respectively. RM264～RM80 on chromosome 8 was the genetic loci of GW amd L/W,and the explained variances were 14.7% and 13.4%. The genotypes of all QTLs, except RM214, from Jiafuzhan contributed to improving riee appearance traits.The research was to improve the rice appearance quality of Zhenshan 97B by introgressing QTLs of rice appearance traits from Jiafuzhan, a donor parent, by means of MAS in the process of recurrent backcrossing, 4 SSR markers were used to detect the target genotypes from donor parent, and 70 SSR primers to identify the genetic background of recurrent parent. Consequently, there were 19 target individuals in BC3, in which the mean value of GL, GW, L/W, CH and BW were 6.06±0.04mm, 2.50±0.02mm, 2.43±0.02, 29.5±2.7 and 29.4±2.7%, respectively,and the mean homologous degree (HD) to recurrent parent is up to 98.22%. Compared to Zhenshan 97B, GL, CH and BW decreased 0.17 mm, 34.9% and 34.5% respectively and however L/W increased 0.19. which accounted separately for 25.37%, 54.79%, 54.57% and 10.50% of thedifference of every trait between two parents. It is very luckly to find a individual, 13BC2-3BC3 line, whose GL, GW, G/W, CH and BW were 6.04 mm, 2.43 mm, 2.49,2.5% and 2.5% separately, There is very important signification for it to be used in hybrid rice breeding improving appearance traits. In the research, MAS efficiency of 3 loci (with 4 markers ) was 5.68% and coincident degree was 73.08%.  相似文献   

50％乙草胺水乳剂对夏玉米田杂草的防除效果及对夏玉米安全性的研究     

樊建斌  张润祥  高越  王振  卜鸿成  李光玉  范仁俊 《农机推广与安全》2010,(12):6-8

50％乙苹胺水乳剂是新型玉米播后苗前土壤处理剂,研究采用随机区组设计,比较不同施药剂量50％乙草胺水乳剂对夏玉米田杂草的防除效果,及对夏玉米产量和安全性的影响。结果表明,50％乙草胺水乳剂80-160g／0.067hm^2（制剂量）于播后苗前进行土壤处理,对北方夏玉米田主要禾本科杂草和阔叶杂草药后21-42d株防效和鲜质量防效均达95％以上,夏玉米产量比清水对照增加2．9％-5．7％,且对夏玉米安全,说明该药剂是防除夏玉米田主要杂草较理想的除草剂。  相似文献   

我国毛皮动物养殖业现状及发展趋势   总被引：4，自引：0，他引：4  

李光玉  杨福合 《当代畜牧》2006,(5):1-2,5

我国毛皮动物的饲养始于1956年,当年从原苏联引种水貂、银狐、海狸鼠、麝鼠等,分别在黑龙江省、山东省和北京市建立饲养场。1957年又对我国野生紫貂、貉子等进行引种和驯养繁殖,到1958年底全国饲养场从1956年的5个发展到72个。伴随着毛皮动物产业的发展,我国也相继建立起了一批  相似文献   

毛皮动物全价饲料使用中的误区   总被引：2，自引：0，他引：2  

王凯英  李光玉  赵靖波  刘佰阳 《吉林畜牧兽医》2006,27(1)

目前我国毛皮兽饲养业发展很快,养殖毛皮兽已有一定规模,主要饲养品种为狐、貉、水貂.我国现饲养狐约2000万只、水貂约1 800万只、貉约400万只.随着毛皮兽饲养量的不断增加和近海渔业资源的枯竭,因此新的饲料来源和新的饲养方式,是产业发展的必然选择.……  相似文献   

梅花鹿、马鹿各生理时期血清IGF-1及GH浓度的研究   总被引：1，自引：0，他引：1  

李光玉  杨福合  王凯英  郜玉钢  赵靖波 《特产研究》2004,26(4):1-4,7

选用8只成年雄性梅花鹿、6只成年雄性东北马鹿，在我国传统饲养模式下，分别在鹿的生茸前期、生茸期、生茸后期、发情期及越冬期采集鹿血清样品，测定分析梅花鹿及马鹿不同生理时期血清IGF-1及GH浓度。实验结果表明：(1)梅花鹿各生理时期血清IGF-1浓度无显著差异(P＞0．05)，血清GH浓度生茸期极显著地高于生茸后期、繁殖期和越冬期(P＜0．01)，其他各生理时期间无显著差异(P＞0．05)。东北马鹿血清IGF-1浓度生茸期显著高于越冬期(P＜0．05)，其他各生理时期间无显著差异(P＞0．05)，各生理时期血清GH浓度无显著差异(P＞0.05)。(2)梅花鹿生茸前期、生茸期、生茸后期、繁殖期和越冬期血清IGF-1浓度分别为31．90ng／mL、35．37ng／mL、23．78ng／mL、20．87ng／mL和14．82ng／mL；东北马鹿分别为21．2ng／mL、25．64ng／mL、9．96ng／mL、9．94ng／mL和6．03ng／mL。  相似文献   

马铃薯新品种—秦芋32号选育     

蒲正斌  张百忍  王长科  张昌兵  周长武  郑敏* 《中国马铃薯》2012,(4):255-256

秦芋32号(原代号:康0102-5)是2000年以秦芋30号作母本,89-1优系作父本,有性杂交获得实生种子,经育种圃、鉴定圃选育而成。2011年3月申报国家农作物品种审定委员会待审,2011年10月通过审定。2007～2009年参加国家级马铃薯品种中晚熟西南组繁种及区域试验;2010年国家西南组生产试验平均产量1 443 kg/667 m2,比对照米拉增产12.5%。块茎干物质含量18.5%、淀粉含量11.8%,Vc含量14.2 mg/100 g,还原糖含量0.29%,粗蛋白含量2.1%。抗病性接种鉴定:中抗PVX和PVY,抗晚疫病。  相似文献