Pathology of genetically engineered mice, Ward JM, Maranpot JR, Sundberg JP, Frederickson RM     

DA Pass 《Australian veterinary journal》2001,79(3):198-198

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8 MEASUREMENT OF ARTICULAR CARTILAGE STIFFNESS IN THE FEMOROPATELLAR, TARSOCRURAL AND METATARSOPHALANGEAL JOINTS OF HORSES AS A PREDICTOR OF CARTILAGE PATHOLOGY.     

E  Garcia-Seco  DA Wilson  K Kuroki  J Cook  J Kreeger  KG Keegan 《Veterinary surgery : VS》2003,32(6):600-600

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Actinobacillus seminis isolated from cattle     

Dixon RJ  Stevenson BJ  Sims KR 《New Zealand veterinary journal》1983,31(7):122-123

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PERINATAL FOAL MORTALITY ASSOCIATED WITH A HERPESVIRUS     

R. J. Dixon  W. J. Hartley  D. R. Hutchins  E. E. Lepherd  Caroline  Feilen †  R. F. Jones  †  Daria N.  Love †  Margaret  Sabine † Anne L.  Wells † 《Australian veterinary journal》1978,54(3):103-105

An outbreak of perinatal foal mortality associated with a herpesvirus is described. Twenty two foals either were still-born, or died soon after birth, or were weak and soon developed severe respiratory signs, or were normal at birth and developed respiratory symptoms 18 to 24 hours later. Elevated temperatures, heart and respiratory rates were constant features. The animals were severely leucopaenic, and showed an absolute neutropaenia. At autopsy the lungs were enlarged, and showed varying degrees of aeration and moderate to severe oedema and congestion. Histopathology showed an acute focal necrotising bronchiolitis with the presence of intranuclear eosinophilic inclusion bodies. Herpesvirus was recovered from 9 foals in cell culture and identified by electron microscopy.  相似文献   

Effects of relative humidity, light intensity and photoperiod on the colony development of Erysiphe sp. on Rhododendron     

D. M. Kenyon †  G. R. Dixon  S. Helfer 《Plant pathology》2002,51(1):103-108

Growth and reproduction by powdery mildew pathogens is generally inhibited by decreasing relative humidity. With Erysiphe sp. on Rhododendron cv. Elizabeth, the initial stages of colony development were adversely affected by reducing the relative humidity from 100% to 70 and 85%. No significant effects on secondary or tertiary hyphal development were detected. Light intensity and photoperiod both had considerable effect on the induced resistance response of the host. Over the initial 5 days of colonization there were no significant differences between any of the treatments. After 13 days, however, expansion of fungal colonies at 180 photosynthetic active radiation (PAR) was limited solely to the area initially infested by primary hyphae. By comparison, in colonies grown at 80 PAR regardless of day length, secondary and tertiary hyphae had extended beyond the area first colonized. These effects resulted in differing morphologies, small colonies of densely packed hyphae formed at 180 PAR compared with open spreading colonies at 80 PAR.  相似文献   

Equine guttural pouch empyema,why does it become chronic?          下载免费PDF全文

P. M. Dixon  O. A. James 《Equine Veterinary Education》2018,30(2):80-84

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绵羊卵泡发育过程中关键信号通路研究进展     

陈欣  达赖  付绍印  祁云霞  王标  何小龙  马跃军  方勤圆  张林  贾明蕊  董鹏  刘永斌 《中国畜牧兽医》2021,48(3):963-974

卵泡从原始卵泡发育为成熟卵泡，直至排卵、黄体发育等过程都受到精密的调控，产生大量的优势卵泡是绵羊产多羔及实现快速扩繁的关键因素。研究发现，相关信号通路和转录因子通过影响绵羊卵泡中卵母细胞、颗粒细胞的生长，进而调控卵泡的发育成熟，对这些信号通路进行深入了解，有助于探索卵泡发育的调控机制，早日实现绵羊高效繁育。Notch是卵泡发育过程中发挥重要作用的高度保守信号通路，PI3K/AKT/mTOR信号通路各成员都是广泛存在于细胞内的信号转导分子，在卵泡发育早期发挥了主要作用，还有间隙连接（gap junction，GJ）和跨带突触（transzonal projections，TZPs）等物理连接方式，在细胞间的交流通讯起到重要作用。作者详细介绍了Notch信号通路、PI3K/AKT/mTOR信号通路、间隙连接及跨带突触的结构功能在绵羊卵泡发育中的调控作用，为进一步探明绵羊卵泡发育的调控机制提供参考。  相似文献   

以全产业链思维优化甘肃省“粮改饲”生产力布局     

笪晓军  王兴琪  刘永康  马璐  王凤萍 《中国饲料》2021,1(6):143-146

用全产业链思维优化“粮改饲”生产力布局具有重要的现实意义和理论价值。本文以甘肃省为例,总结甘肃省“粮改饲”工作已取得的工作成效和不足,论述了“粮改饲”构建全产业链的必要性,初步探讨了甘肃省“粮改饲”全产业链模式和布局优化,并提出完善相关支持政策、培育壮大龙头企业、高度重视品牌建设和创新科技带动引领4条对策建议。 [关键词]全产业链|粮改饲|生产力布局|甘肃省  相似文献   

Achromatopsia in three sibling Labrador Retrievers in the UK          下载免费PDF全文

Christopher J. Dixon 《Veterinary ophthalmology》2016,19(1):68-72

Achromatopsia was identified in three Labrador Retriever littermates. The dogs demonstrated day blindness, negotiating obstacles under low‐light conditions, but apparently blind when outdoors. One of the dogs presented with immature bilateral diffuse posterior cortical cataracts and clinical signs of day blindness became apparent following cataract extraction surgery. Electroretinography demonstrated an absence of a cone photoreceptor response to a bright stimulus and a flicker response of 30 Hz in all three dogs. No fundic lesions have been apparent ophthalmoscopically in any of the dogs as the initial presentation of each case. No abnormalities were detected with DNA screening for known mutations of the CNGB3 gene in any of the dogs.  相似文献   

Orthodontic correction of overjet/overbite (‘parrot mouth’) in 73 foals (1999–2013)          下载免费PDF全文

J. Easley  P. M. Dixon  R. J. M. Reardon 《Equine veterinary journal》2016,48(5):565-572

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