维普中文期刊产品整合服务
1873篇 您的检索式:作者名="Pearces J"
    题名 作者 年代 出处 被引量
1热应激和低营养摄入对猪肠道完整性和功能的影响显示文摘热应激会损害肠道完整性,并诱发肠渗漏。因此,本试验研究了直接或间接热应激(通过减少采食量)对生长猪肠道通透性的影响。选用体重(43±4)kg的杂交后备母猪(n=48),分别安置在以下控制环境中:热中性(TN)环境(20℃,湿度35%~50%,自由采食)、热应激(HS)环境(35℃,湿度20%~35%,自由采食)、热中性环境配对饲喂(PFTN,以消除不同采食量的交互影响)。第1、3、7天使猪只安乐死,采集的空肠样品被安装到尤式灌流室,测定跨膜电阻抗值(TER)和异硫氰基荧光标记的脂多糖(LPS)渗透性(APP,表示为表观渗透系数)。此外,评估肠道完整性以及应激基因和蛋白标志物。结果表明,不考虑热应激天数,HS组与TN组猪相比,血浆内毒素水平增加45%(P〈0.05),空肠TER降低30%(P〈0.05),LPS渗透率增加2倍(P〈0.01)。此外,与PFTN组相比,HS组第7天的猪LPS渗透性有增加的趋势(P=0.06)。整个试验阶段HS组溶菌酶和碱性磷酸酶活性下降,分别下降46%和59%(P〈0.05);然而,3 d和7 d空肠免疫细胞标记物——髓过氧化物酶活性增加(P〈0.05)。由此可见,热应激和减少采食量都会降低肠道完整性,并增加内毒素渗透性。推测这可能会导致炎症加重,在炎热的夏季可能是导致猪生长性能降低的原因。Pearce S C Mani V Weber T E Rhoads R P Patience J F Baumgard L H Gabler N K 2016中国饲料2016,,3:3
2Rapid method for estimating leaf area per plant in maize显示文摘Pearce R B Mocd J J Bailey T B 1975Crop Science1975,5,15:2
3A preliminary study of high-rate composting显示文摘Wiley J S Asce A M Pearce G W 1955American Society of Civil Engineering Transactions1955,,:2
4High chromium cast irons to resist abrasive wear显示文摘Pearce J T H 2002Foundryman2002,95,4:1
5Viscoplastic Hoffman consistency model for concrete 显示文摘WINNICKI A PEARCE C J BICANIC N 2001Computers and Structures2001,79,1:1
6Tectonic implications of the composition of volcanic arc magmas显示文摘PEARCE J A PEATE D W 1995Annual Reviews of Earth and Planetary Science1995,23,:1
7Significant changes in the bacterioplankton community structure of a maritime Antarctic fieshwater lake following nutrient enrichment显示文摘PEARCE D A van der GAST C J WOODWARD K 2005Microbiology2005,151,10:1
8Satistical analysis of major element patterns in basalts显示文摘Pearce J A 1976J Petrol1976,17,:1
9Tectonic setting of basic rocks determined using trace element analysis 显示文摘Pearce J A and Cann J R 1973Earth and Plantetary Science Letters1973,24,:1
10Th2 response polarization during infection with the helminth parasite Schistosoma mansoni显示文摘Pearce EJ Kane MC Sun J 2004Immunol Rev2004,201,:1
11Ignorance of electrosurgery among obstetricians and gynecologists显示文摘Mayooran Z Pearce S+ Tsaltas J 2004Br J Obstet Gynecol2004,111,12:1
12The use of ground beetles (Coleoptera: Carabidae) and spider (Araneae) asbioindicators of sustainable forest management: a review显示文摘Pearce J L Venier L A 2006Ecological Indicators2006,6,:1
13Ramsdellite-MnO2 for lithium batteries: The ramsdellite to spinel transformation显示文摘THACKERAY M M ROSSOUW M H GUMMOW R J LILES D C PEARCE K KOCK A D DAVID W I F HULLS S 1993Electrochim Acta1993,38,9:1
14Identification of Ore-Deposition Environment from Trace Element Geochemistry of Associated Igneous Host Rocks 显示文摘Pearce J A Gale G H 1977Geol SOc Spec Puhl1977,7,:1
15Alternative approaches to the employee-organization rela- tionship:does investment in employees pay off显示文摘TSUI A S PEARCE J L PORTER L W TRIPOLI A M 1997The A cademy of Management Journal1997,40,5:1
16Sources and settings of granitic rocks显示文摘Pearce J A 1996Episodes1996,19,4:1
17Board Composition from a Strategic Contingency Perspective显示文摘 ZAHRA S A 1992Journal of Management Studies1992,29,7:1
18Guanxi:Connections as Substitutes for Formal Institutional Support 显示文摘Xin K R Pearce J L 1996Academy of Management Journal1996,39,6:1
19Trace element discrimination diagrams for the tectonic interpretation of granitic rocks 显示文摘Pearce J A Harris N B W Tindle A G 1984J Petrol1984,25,4:1
20Trace element discrimination diagrams for the tecotonic interpretation of granitic rocks显示文摘Pearce J A Harris N B W and Tindle A G 1984Journal of Petrology1984,25,:1
返回顶部 每页显示:
共94页 首页 上一页 第1页 下一页 末页 /94 跳转

网站首页 | 关于我们 | 联系我们 | 产品服务 | 客服中心 | 广告服务 | 版权声明 | 网站联盟 | 友情链接 | 售卡网点

版权所有© 渝B2-20050021-1 渝公网安备 50019002500403号 违法和不良信息举报中心

互联网出版许可证 新出网证(渝)字10号 全国400电话 - 免长途话费