Liver aspirate from a Shar Pei dog     

Flatland B  Moore RR  Wolf CM  Yeomans SM  Donnell RL  Lane IF  Fry MM 《Veterinary clinical pathology / American Society for Veterinary Clinical Pathology》2007,36(1):105-108

A 5-year-old, neutered male, Shar Pei dog was presented with weight loss, anorexia, lethargy, stranguria, and distal limb edema. Clinicopathologic abnormalities included anemia, an inflammatory leukogram, azotemia, icterus, urinary tract infection, and hepatomegaly with a markedly hypoechoic liver. Cytologic findings in a fine-needle aspirate of the liver included large amounts of amorphous, pink, extracellular matrix between hepatocytes. The amorphous material was congophilic using Congo red stain on a hepatic cytology specimen and green birefringent areas were observed under polarized light, confirming the presence of amyloid. The dog was euthanized and a necropsy was done. Histopathologic evaluation using H&E and Congo red staining confirmed amyloid deposits within the liver, kidneys, intestinal vessels, pancreas, and mesenteric ganglia. Immunohistochemical staining of liver and kidney sections using anti-AA amyloid and anti-P component antibodies confirmed the presence of AA amyloid. In this case, we demonstrated that Congo red staining and polarized light microscopy are a useful diagnostic technique in cytologic specimens of suitable thickness for confirming the presence of amyloid.  相似文献   

Hypercalcemia and parathyroid hormone‐related peptide expression in a dog with thyroid carcinoma and histiocytic sarcoma          下载免费PDF全文

Jennifer L. Scruggs  Michelle Nobrega‐Lee  Michael M. Fry  Rory Applegate 《Veterinary clinical pathology / American Society for Veterinary Clinical Pathology》2015,44(2):249-252

A 9.5‐year‐old, male castrated Walker Hound was presented for evaluation of progressive weakness, anorexia, and weight loss. Imaging revealed multiple abdominal and thoracic masses and ascites; fine‐needle aspirates of mesenteric and splenic masses confirmed malignancy, most likely histiocytic sarcoma. Laboratory analyses revealed increased ionized calcium and parathyroid hormone‐related peptide (PTH‐rP) concentrations, and concurrent low–normal parathyroid hormone concentration, consistent with humoral hypercalcemia of malignancy. Necropsy was performed after euthanasia. The dog had disseminated histiocytic sarcoma, including sarcomatosis, as well as bilateral thyroid carcinoma. PTH‐rP immunostaining was positive in the thyroid carcinoma but negative in the histiocytic neoplasm. These results suggest that thyroid carcinoma‐associated hypercalcemia can be caused by tumor secretion of PTH‐rP.  相似文献   

Visual aspects in urban woodland management     

sa K. Ode  Gary L.A. Fry 《Urban Forestry & Urban Greening》2002,1(1)

This paper presents a study of woodland management guidelines analysed for their inclusion of visual aspects. The aim of the study was to identify approaches towards the management of visual aspects in urban woodland. For the study, 24 management guidelines from Sweden and the UK were reviewed for scale, degree of operational detail, the visual concepts used, their emphasis and justification. The review revealed that there exists a diversity of approaches towards managing visual aspects regarding the selection and emphasis of visual concepts as well as the scale at which they are applied and degree of operationality. Some general differences between Sweden and the UK where identified. These differences in treatment of visual aspects were mainly related to the use of different scale levels, different levels of abstraction and the basis for justifying the importance of visual qualities in management. These differences are discussed in relation to the wider management context, including landowner structure, landscape history and forestry traditions. We conclude that studying urban woodland management in another context (e.g. geographical and historical) can provide new insights for visual management. We also believe that transferring management strategies across cultures will result in them being altered at the policy and operational levels by the change of context. We further suggest that the use of visual concept could provide one approach for better integration of visual qualities in urban woodland management.  相似文献   

The Canon of Potato Science: 10. Late Blight and Early Blight     

William E. Fry 《Potato Research》2007,50(3-4):243-245

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Effects of hot and cold temperatures on the survival of oospores produced by United States strains ofPhytophthora infestans     

Justin C. Fay  William E. Fry 《American Journal of Potato Research》1997,74(5):315-323

Oospores produced from matings between US strains ofPhytophthora infestans were subjected to hot or cold temperatures and then evaluated for viability, based on percent germinationin vitro. Of 35 crosses, 3 produced oospores with sufficient germination for replicated assessments of temperature effects. Germination rates were as high as 26%, but the maximum germination percentage varied among crosses. Two additional crosses, one involving isolates from Mexico also had sufficient germination for assessment of temperature effects. Oospores did not germinate after 2 hr treatments at or above 46C, or after 12 hr treatments at 40C. Temperature treatment at -80C suppressed germination. Temperature had a similar effect on oospore germination from all crosses.  相似文献   

Role of crop diversification and integrated nutrient management in resilience of soil fertility under rice-wheat cropping system     

SN Sharma  SK Sharma 《Archives of Agronomy and Soil Science》2013,59(3):345-352

A field study conducted for two crop cycles of five cropping systems supplied with six nutrient combinations at the Indian Agricultural Research Institute, New Delhi indicated that the cropping systems having a legume increased organic C content over initial level by 0.02?–?0.05%, available N by 3.5?–?14.1?kg ha^???1, whereas the rice-wheat cropping system resulted in a reduction in organic C and available N over initial level by 0.05% and 1.5?kg ha^???1, respectively after 2 years of study. Rice-potato-mungbean cropping system resulted in a negative balance of available P and rice-clover cropping system had a negative balance of both available P and available K content in soil and thus call for adequate P and K fertilization. Application of P and K helped in building up their content in soil; NPK?+?FYM showed the highest increase in organic C, available N, available P and available K content in soil. These results suggest the inclusion of a legume in a cropping system for maintaining organic C and available N in soil and adequate P and K fertilization for arresting the depletion of available P and K content in soil. Integrated nutrient management is one of the best methods for resilience of soil fertility under rice-wheat cropping system.  相似文献   

Quantification of cyanogenic glycosides in white clover (Trifolium repens L.) from horse pastures in relation to equine grass sickness     

B. C. McGorum  R. S. Pirie  S. C. Fry 《Grass and Forage Science》2012,67(2):274-279

As a preliminary step in testing the hypothesis that ingestion of cyanogenic glycosides in white clover (Trifolium repens L.) may be one of the risk factors for equine grass sickness (EGS, or equine dysautonomia), the cyanogen content of clover leaves collected from fields (n = 16) soon after an occurrence of EGS was compared with that of (i) control white clover samples (n = 10) collected from the same fields out of the disease period and (ii) control clover samples (n = 54) collected sequentially from three control fields. Clover samples from EGS fields were highly cyanogenic, with a median cyanide potential of 497 (range 307–1786) mg kg dry matter^?1. Furthermore, clover collected from EGS fields soon after an occurrence of EGS had significantly higher concentrations of the cyanogenic glycosides linamarin and lotaustralin than control samples. While these findings indicate that horses grazing EGS fields may ingest significant quantities of cyanogenic glycosides, the design of the study does not facilitate investigation of any potential association between cyanogens and EGS. Further study is therefore required to determine whether cyanogens are a risk factor for EGS or whether these findings simply reflect variations in plant metabolism unrelated to disease pathogenesis.  相似文献   

The structure of the upper atmosphere of mars: In situ accelerometer measurements from mars global surveyor   总被引：1，自引：0，他引：1  

GM Keating  SW Bougher  RW Zurek  RH Tolson  GJ Cancro  SN Noll  JS Parker  TJ Schellenberg  RW Shane  BL Wilkerson  JR Murphy  JL Hollingsworth  RM Haberle  M Joshi  JC Pearl  BJ Conrath  MD Smith  RT Clancy  RC Blanchard  RG Wilmoth  DF Rault  TZ Martin  DT Lyons  PB Esposito  MD Johnston  al et 《Science (New York, N.Y.)》1998,279(5357):1672-1676

The Mars Global Surveyor (MGS) z-axis accelerometer has obtained over 200 vertical structures of thermospheric density, temperature, and pressure, ranging from 110 to 170 kilometers, compared to only three previous such vertical structures. In November 1997, a regional dust storm in the Southern Hemisphere triggered an unexpectedly large thermospheric response at mid-northern latitudes, increasing the altitude of thermospheric pressure surfaces there by as much as 8 kilometers and indicating a strong global thermospheric response to a regional dust storm. Throughout the MGS mission, thermospheric density bulges have been detected on opposite sides of the planet near 90 degreesE and 90 degreesW, in the vicinity of maximum terrain heights. This wave 2 pattern may be caused by topographically-forced planetary waves propagating up from the lower atmosphere.  相似文献   

Reproductive characteristics of slipper lobster,cuttlefish and squid species taken as byproduct in a tropical prawn trawl fishery     

Mark L. Tonks  David A. Milton  Gary C. Fry 《Fisheries Science》2011,77(5):741-756

Reproductive characteristics relevant to population sustainability were examined for eight abundant invertebrate species caught as byproduct by the Northern Prawn Fishery (NPF) in northern Australia. Slipper lobsters Thenus parindicus and Thenus australiensis differed in their size at maturity, with T. parindicus maturing at smaller size. Both species had similar reproductive seasonality, with most recruitment early in the year (January–March). Our estimates of carapace length (CL) at which 50% of females are mature (CL₅₀) suggest that current management regulations (minimum legal size 52 mm CL) for Thenus are probably adequate for T. parindicus, but suboptimal for T. australiensis. However, T. australiensis only contributes a small proportion to the NPF Thenus catch. This species is likely to be protected as its preferred habitat is coarse substrate and deeper water (>40 m), which does not overlap greatly with the current commercial trawl effort distribution. Uroteuthis squid and Sepia cuttlefishes also varied in size at maturity and reproductive seasonality. Squid and cuttlefish populations are likely to be underexploited based on historical catches. Under current fishing levels, squid stocks appear to be resilient to the opportunistic targeting of spawning aggregations in similar NPF regions over several years.  相似文献   

Components of small urban parks that predict the possibility for restoration     

H. Nordh  T. Hartig  C.M. Hagerhall  G. Fry 《Urban Forestry & Urban Greening》2009,8(4):225-235

In densifying cities, small green spaces such as pocket parks are likely to become more important as settings for restoration. Well-designed small parks may serve restoration well, but earlier research on restorative environments does not provide detailed information about the specific components of the physical environment that support restoration. In this study we assessed the extent to which hardscape, grass, lower ground vegetation, flowering plants, bushes, trees, water, and size predicted the judged possibility for restoration in small urban green spaces. We took individual parks as the units of analysis. The parks were sampled from Scandinavian cities, and each park was represented by a single photo. Each photo was quantified in terms of the different objective park components and also rated on psychological variables related to restoration. The ratings on the psychological variables being away, fascination, likelihood of restoration, and preference were provided by groups of people familiar with such parks. The variables most predictive of the likelihood of restoration were the percentage of ground surface covered by grass, the amount of trees and bushes visible from the given viewing point, and apparent park size. Formal mediation analyses indicated distinctive patterns of full and partial mediation of the relations between environmental components and restoration likelihood by being away and fascination. Our results provide guidance for the design of small yet restorative urban parks.  相似文献