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不同小体型肉鸭品系生长性能、屠宰性能和肉品质比较

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中国家禽 2024年第5期46卷 12-17页

作者：徐鸣鸿张傲贾雯茜庄重王志秀江勇白皓常国斌陈国宏扬州大学动物科学与技术学院江苏扬州225009 扬州大学农业科技发展研究院教育部农业与农产品安全国际合作联合实验室江苏扬州225009

为比较“益扬1号”两个专门化品系(H1♂×H1♀、H2♂×H2♀)及其杂交后代(H1♂×H2♀)生长性能、屠宰性能和肉品质,试验采用1日龄“益扬1号”两个专门化品系及其杂交后代各110只进行地面平养,记录生长性能,7周龄进行屠宰与肉品质测定。... 详细信息

为比较“益扬1号”两个专门化品系(H1♂×H1♀、H2♂×H2♀)及其杂交后代(H1♂×H2♀)生长性能、屠宰性能和肉品质,试验采用1日龄“益扬1号”两个专门化品系及其杂交后代各110只进行地面平养,记录生长性能,7周龄进行屠宰与肉品质测定。结果显示:7周龄时,H1♂×H2♀组体重低于H1♂×H1♀组,高于H2♂×H2♀组(P<0.05)。H1♂×H2♀组除胸深外,各项体尺指标均显著高于H2♂×H2♀组(P<0.05)。H1♂×H2♀组的腿比率、瘦肉率、腿肌率和胸肌率显著高于H1♂×H1♀和H2♂×H2♀组(P<0.05),屠宰率、全净膛率和半净膛率显著低于H1♂×H1♀和H2♂×H2♀组(P<0.05)。H1♂×H2♀组胸肌肉色a*显著高于H1♂×H1♀和H2♂×H2♀组(P<0.05),腿肌肉色b*低于H1♂×H1♀和H2♂×H2♀组(P<0.05)。H1♂×H2♀组剪切力显著低于H1♂×H1♀组(P<0.05),水分含量显著低于H2♂×H2♀组(P<0.05)。H1♂×H2♀组胸肌蛋白质含量和腿肌脂肪含量显著高于H1♂×H1♀和H2♂×H2♀组(P<0.05)。研究表明,H1和H2纯系经过杂交,生长性能和肉品质等指标得到改善。

关键词：优质肉鸭生长性能屠宰性状肉品质

Proteomic and phosphoproteomic analysis reveal threonine deficiency increases hepatic lipid deposition in Pekin ducks via reducing STAT phosphorylation

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Animal Nutrition 2023年第2期13卷 249-260页

作者： Yong Jiang Zhong zhuang Wenqia Jia Zhiguo Wen Ming Xie Hao Bai Yulin Bi Zhixiu Wang Guobin Chang Shuisheng Hou guohong Chen College of Animal Science and Technology Yangzhou UniversityYangzhou 225009China State Key Laboratory of Animal Nutrition Key Laboratory of Animal(Poultry)Genetics Breeding and ReproductionMinistry of Agriculture and Rural AffairsInstitute of Animal SciencesChinese Academy of Agricultural SciencesBeijing 100193China Joint International Research Laboratory of Agriculture and Agri-Product Safety the Ministry of Education of ChinaInstitutes of Agricultural Science and Technology DevelopmentYangzhou UniversityYangzhou 225009China Key Laboratory of Feed Biotechnology of Ministry of Agriculture and Rural Affairs Institute of Feed ResearchChinese Academy of Agricultural SciencesBeijing 100081China

Dietary threonine(Thr)deficiency enhances triglyceride(TG)deposition in the liver of Pekin ducks,which injures hepatic function and impairs growth ***,the underlying molecular mechanisms remain *** the present study,we investigated the effects of dietary Thr deficiency on the expressions of proteins and phosphoproteins in liver of Pekin ducks,to identify the underlying molecular changes.A total of 300 one-day-old ducklings were divided into 3 groups with 10 replicates of 10 *** ducks were fed corn-wheat-peanut meal diets containing 0.46%,0.71%,and 0.96%Thr,respectively,from 1 to 21 days of *** performance,serum parameters,hepatic TG content,and expression of genes involved in lipid metabolism of Pekin ducks were determined.A Thr deficiency group(Thr-D,0.46%Thr)and a Thr sufficiency group(Thr-S,0.71%Thr)were selected for subsequent proteomic and phosphoproteomic *** results showed that Thr-D reduced the growth performance(P<0.001),and increased the plasma concentrations of cholesterol,high-density lipoprotein cholesterol,low-density lipoprotein cholesterol,and hepatic TG(P<0.05).Thr-D increased gene expression related to fatty acid and TG synthesis(P<0.05).A total of 176 proteins and 259 phosphosites(containing 198 phosphoproteins)were observed to be differentially expressed as a result of *** upregulated proteins were enriched in the pathway related to amino acid metabolism,*** down-regulated proteins were enriched in linolenic and arachidonic acid metabolism,and the Janus kinase-signal transducer and activator of transcription(JAK-STAT)signaling *** upregulated phos-phoproteins were enriched in the pathways related to fatty acid biosynthesis,fructose and mannose metabolism,and glycolysis/***-D reduced the phosphorylation of STAT1 at S729 and STAT3 at S728,and expression of *** contrast,Thr-D increased non-receptor tyrosine-protein kinase(TYK2)expression and STAT1 phosphoryla

关键词： Threonine deficiency Triglyceride accumulation Proteomic Phosphoproteomic Pekin duck

circ_1764的鉴定及其在鸡脂肪细胞分化中的功能预测

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中国家禽 2024年第8期46卷 14-21页

作者：庄重娄姬英杨婷王来娣江勇王志秀陈世豪毕瑜林陈国宏常国斌白皓扬州大学动物科学与技术学院江苏扬州225009 扬州大学农业科技发展研究院教育部农业与农产品安全国际合作联合实验室江苏扬州225009

为探究环状RNA circ_1764在鸡脂肪细胞分化中的重要作用,试验通过PCR扩增和RNase酶消化鉴定鸡circ_1764的存在特性,采用qRT-PCR技术检测circ_1764在鸡组织中的表达情况,利用Miranda、miRDB和Target Scan Human等网站预测鸡circ_1764的... 详细信息

为探究环状RNA circ_1764在鸡脂肪细胞分化中的重要作用,试验通过PCR扩增和RNase酶消化鉴定鸡circ_1764的存在特性,采用qRT-PCR技术检测circ_1764在鸡组织中的表达情况,利用Miranda、miRDB和Target Scan Human等网站预测鸡circ_1764的调控网络,使用DAVID软件可视化预测靶基因的GO和KEGG富集通路,最后通过转染过表达circ_1764载体,验证生物信息学筛选出的调控网络的准确性。结果显示:鸡体内存在circ_1764,并主要在细胞质中表达,在鸡心脏、肝脏、胸腺和脂肪组织中高表达;circ_1764的预测靶miRNA主要为miR-7441-3p、miR-1656、miR-6578-3p、miR-7452-5p、miR-6645-5p、miR-6563-3p、miR-6607-5p和miR-6581-5p,并且circ_1764在DF-1细胞中过表达可以显著降低上述miRNA的表达;circ_1764靶基因主要集中在代谢、泛素介导的蛋白水解以及MAPK通路中。本研究验证了鸡circ_1764的存在,通过生物信息学预测了鸡circ_1764的调控网络,初步探究circ_1764通过吸附miR-1656、miR-6645-5p等miRNA调控靶基因进而影响鸡脂肪细胞分化的分子机制,为进一步阐明circ_1764调控鸡脂肪细胞分化的机理奠定了基础。

关键词：鸡脂肪细胞 circ_1764 鉴定功能预测

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“互联网+”背景下企业知识创造研究

科技管理研究 2017年第21期37卷 141-145页

作者：庄彩云陈国宏福州大学经济与管理学院福建福州350108

基于"互联网+"的背景,分析企业知识创造主体、知识客体和环境因素所呈现的新特征,并提出互联网对企业知识传播和知识创造的四大驱动力因素,网络开放性、虚拟网络、多主体参与和定制化解决方案。理解和把握这些特征以及驱动力因素,有利... 详细信息

基于"互联网+"的背景,分析企业知识创造主体、知识客体和环境因素所呈现的新特征,并提出互联网对企业知识传播和知识创造的四大驱动力因素,网络开放性、虚拟网络、多主体参与和定制化解决方案。理解和把握这些特征以及驱动力因素,有利于企业挖掘互联网中价值创造的要素。最后,基于知识的视角提出企业从培养互联网思维、提升互联网能力和加强互联网技术3个方面,把握"互联网+"带来的机遇,快速响应变革的环境,进行新知识的创造。

关键词：互联网企业知识创造驱动力

互联网能力与知识能力交互效应对知识创造绩效的传导机制:一个被中介的调节效应模型

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科技进步与对策 2019年第7期36卷 145-152页

作者：庄彩云陈国宏王丽丽福州大学经济与管理学院福建福州350116 阳光学院商学院福建福州350015

整合资源基础观、知识基础观和动态能力理论,探讨互联网背景下互联网能力、知识能力两种企业内部因素交互作用对知识创造绩效的影响过程,尤其关注了具有前瞻性与反应性特征的战略柔性在这一过程中的重要作用,从而构建了一个被中介的调... 详细信息

整合资源基础观、知识基础观和动态能力理论,探讨互联网背景下互联网能力、知识能力两种企业内部因素交互作用对知识创造绩效的影响过程,尤其关注了具有前瞻性与反应性特征的战略柔性在这一过程中的重要作用,从而构建了一个被中介的调节效应模型。基于我国399家企业调研数据发现,互联网能力、知识能力均对战略柔性有显著正向影响;互联网能力与知识能力的交互作用通过战略柔性的中介机制促进企业知识创造绩效提升,即存在被中介的调节效应。在理论上,丰富了资源基础观和知识基础观在组织竞争优势构建方面的前因研究,在实践上,为处于互联网背景下的企业有效提升知识创造绩效提供了实践参考。

关键词：互联网能力知识能力交互效应战略柔性知识创造绩效

Photoinduced large polaron transport and dynamics in organic-inorganic hybrid lead halide perovskite with terahertz probes

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Light(Science & Applications) 2022年第8期11卷 1853-1864页

作者： Zuanming Jin Yan Peng Yuqing Fang Zhijiang Ye Zhiyuan Fan Zhilin Liu Xichang Bao Heng Gao Wei Ren Jing Wu guohong Ma Qianli Chen Chao Zhang Alexey VBalakin Alexander PShkurinov Yiming Zhu Songlin zhuang Terahertz Technology Innovation Research Institute Terahertz Spectrum and Imaging Technology Cooperative Innovation CenterShanghai Key Lab of Modern Optical SystemUniversity of Shanghai for Science and TechnologyShanghai200093China Qingdao Institute of Bioenergy and Bioprocess Technology Chinese Academy of SciencesQingdao266101China Physics Department Materials Genome InstituteState Key Laboratory of Advanced Special SteelShanghai Key Laboratory of High Temperature SuperconductorsInternational Centre of Quantum and Molecular StructuresShanghai UniversityShanghai200444China Shanghai Institute of Technical Physics Chinese Academy of SciencesYutian Road 500ShanghaiChina Department of Physics Shanghai University99 Shangda RoadShanghai200444China University of Michigan-Shanghai Jiao Tong University Joint Institute Shanghai Jiao Tong UniversityShanghaiChina School of Physics University of WollongongWollongongNSW2522Australia Department of Physics and International Laser Center Lomonosov Moscow State UniversityLeninskie Gory 1Moscow19991Russia ILIT RAS-Branch of the FSRC《Crystallography and Photonics》RAS Svyatoozerskaya 1140700ShaturaMoscow RegionRussia

Organic-inorganic hybrid metal halide perovskites(MHPs)have attracted tremendous attention for optoelectronic *** long photocarrier lifetime and moderate carrier mobility have been proposed as results of the large polaron formation in ***,it is challenging to measure the effective mass and carrier scattering parameters of the photogenerated large polarons in the ultrafast carrier recombination ***,we show,in a one-step spectroscopic method,that the optical-pump and terahertz-electromagnetic probe(OPTP)technique allows us to access the nature of interplay of photoexcited unbound charge carriers and optical phonons in polycrystalline CH_(3)NH_(3)PbI_(3)(MAPbI_(3))of about 10μm grain ***,we demonstrate a direct spectral evidence of the large polarons in polycrystalline MAPbI_(3).Using the Drude-Smith-Lorentz model along with the Frӧhlich-type electron-phonon(e-ph)coupling,we determine the effective mass and scattering parameters of photogenerated polaronic *** discover that the resulting moderate polaronic carrier mobility is mainly influenced by the enhanced carrier scattering,rather than the polaron mass ***,the formation of large polarons in MAPbI_(3)polycrystalline grains results in a long charge carrier lifetime at room *** results provide crucial information about the photo-physics of MAPbI3 and are indispensable for optoelectronic device development with better performance.

关键词： polaron perovskite inorganic

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耐盐优质水稻新品种盐稻18号的选育及应用

大麦与谷类科学 2024年第3期41卷 66-69,75页

作者：代金英岳红亮赵绍路朱静雯刘凯孙一标张桂云朱国永唐红生王爱民严国红庄东英孙明法江苏沿海地区农业科学研究所江苏盐城224001 江苏沿海地区农业科学研究所新洋试验站江苏盐城224001

盐稻18号,原代号盐稻178,系江苏沿海地区农业科学研究所与盐城明天种业科技有限公司合作,以徐稻3号为母本、盐稻9号为父本,经人工杂交后采用系谱法,经多年连续定向选择而育成的耐盐中粳稻新品种。盐稻18号2年区域试验平均产量8033.99 kg... 详细信息

盐稻18号,原代号盐稻178,系江苏沿海地区农业科学研究所与盐城明天种业科技有限公司合作,以徐稻3号为母本、盐稻9号为父本,经人工杂交后采用系谱法,经多年连续定向选择而育成的耐盐中粳稻新品种。盐稻18号2年区域试验平均产量8033.99 kg/hm^(2),具有耐盐优质、抗病、熟期适中、适应性广等特点,适宜在江苏省沿海土壤含盐量(质量分数)0.3%~0.5%的盐碱地作淡水灌溉种植。2021年4月通过江苏省农作物品种审定委员会审定,审定编号为苏审稻20210043,命名为盐稻18号。

关键词：水稻耐盐优质盐稻18号

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利用铜烟尘酸浸渣试制三盐基硫酸铅的研究

科技通报 1997年第4期 12-16页

作者： Si Gongmin zhuang ShangruiDepartment of Chemistry,Hangzhou University 310028 Xu guohong Zhu ChaohuiFuchunjiang Smelcery 311408

介绍了以铜烟尘酸浸渣为原料，采用转化、沉淀、调变的方法生产三盐基硫酸铅的实验室试验．得到的产品符合ＨＧ２－１０５３－７７一级品的标准．该试验工艺具有良好的经济、社会和环境效益

关键词：铜烟尘回收三盐基硫酸铅

One-year status of hepatic venous pressure gradient measurement from 85 hospitals in China

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Portal Hypertension & Cirrhosis 2024年第2期3卷 116-123页

作者： Jitao Wang Ting Cui Linpeng Zhang Zhiping Yan Lei Li Jinjun Chen Junhui Sun Hua Xiang He Zhu Hao Wu Jiancuo Gengzang Feng Zhang Wei Wu guohong Cao Wuhua Guo Haibin Shi Hui Xue Guangjun Huang Qiang Yu Meng Niu Huiling Xiang Derun Kong Wei Gou Xuefeng Luo Fuliang He Min Yuan Wei Liu Yong Wang Hongjie Hu Xiaoli Zhu Tao Yu Qinxue Sun Wei Qu Ting Lu Deqiang Ma Li Zhang Jun Ma Jun Yang Ketao Mu Xiaoliang Zhu Kai Xiong Huiguo Ding Shengjuan Yao Mingsheng Huang Fang Wang Zexin Wang Yong Huang Jianan Li Hongfeng Yi Birun Huang Zhongwei Zhao Duiping Feng Yanming Lei Changlong Hou Wenbo Guo Shirong Liu Gaojun Teng Kangshun Zhu Fan Wu Xiaogang Hu Wenfeng Zhang Shaoqi Yang Zhouchao Hu Pengfei Pang Shaowu zhuang Weidong Wang Qingliang Zhu Kunpeng Zhang Chengyu Liu Dongliang Li Chao Ma Hong Jiang Xingong Zhao Weixin Ren Zhiwei Wang Lei Yu Fuhuang Lin Chaoguang Yan Feng Wang Lei Yu Hui Huan Wenyong Shen Shaofei He Chengda Zhang Jinlun Bao Jiangtao Liu Jun Wu Jianbo Zhao Jian Zhang Xiaolong Qi Hebei Provincial Key Laboratory of Cirrhosis&Portal Hypertension Xingtai People's HospitalXingtaiHebeiChina Center of Portal Hypertension Department of RadiologyZhongda HospitalSchool of MedicineSoutheast UniversityNanjingJiangsuChina Department of Interventional Therapy Beijing Shijitan Hospital Affiliated to Capital Medical UniversityBeijingChina Department of Intervention Taiyuan Third People's HospitalTaiyuanShanxiChina Department of Intervention Zhongshan Hospital Affiliated to Fudan UniversityShanghaiChina Department of Interventional Medicine The First Hospital of Lanzhou UniversityLanzhouGansuChina Department of Infectious Diseases Nanfang Hospital of Southern Medical UniversityGuangzhouGuangdongChina Hepatobiliary and Pancreatic Intervention Center The First Affiliated Hospital of Zhejiang University School of MedicineHangzhouZhejiangChina Interventional Vascular Surgery Hunan Provincial People's HospitalChangshaHunanChina Department of Intervention Sixth People's Hospital of ShenyangShenyangLiaoningChina Department of Gastroenterology West China Hospital of Sichuan UniversityChengduSichuanChina Department of Intervention The Fourth People's Hospital of Qinghai ProvinceXiningQinghaiChina Department of Gastroenterology Nanjing Drum Tower HospitalNanjingJiangsuChina Department of Gastroenterology The First Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiangChina Department of Radiology Shulan(Hangzhou)HospitalHangzhouZhejiangChina Department of Intervention Mengchao Hepatobiliary Hospital of Fujian Medical UniversityFuzhouFujianChina Department of Interventional Radiology The First Affiliated Hospital of Nanjing Medical UniversityNanjingJiangsuChina Department of Gastroenterology The First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anShaanxiChina Department of Gastroenterology Shandong Provincial Hospital Affiliated to Shandong First Medical UniversityJinanShandongChina Department of Interventional Radiology Fifth Medical Center

Aims:Surveys and research on the applications of the hepatic venous pressure gradient(HVPG)are important for understanding the current status and future development of this technology in *** article aimed to investigate the status of hepatic venous pressure gradient measurement in China in ***:We investigated the overall status of HVPG technology in China-including hospital distribution,hospital level,annual number of cases,catheters used,average cost,indications,and current challenges by using online *** counting the number and percentages of cases of these results,we hope to clarify the current status of HVPG measurements in ***:According to the survey,85 hospitals in China used HVPG technology in 2022 distributed across 29 provinces.A total of 4989 HVPG measurements were performed in all of the surveyed hospitals in 2022,of which 2813 cases(56.4%)were measured *** average cost of HVPG measurement was 5646.8±2327.9 *** the clinical teams who performed the measurements(sometimes multiple per hospital),94.3%(82/87)used the balloon method,and the majority of the teams(72.4%,63/87)used embolectomy ***:This survey clarified the clinical application status of HVPG in China and confirmed that some medical institutions in China have established a foundation for this *** is still necessary to continue promoting and popularizing this technology in the future.

关键词： application status hepatic vein pressure gradient questionnaire survey