Coronavirus infection in intensively managed cattle with respiratory disease     

PM Hick  AJ Read  I Lugton  F Busfield  KE Dawood  L Gabor  M Hornitzky  PD Kirkland 《Australian veterinary journal》2012,90(10):381-386

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Initial Application of Reduced Port Surgery Using the Single Port Access Technique for Laparoscopic Canine Ovariectomy     

Jeffrey J. Runge DVM  Diplomate ACVS  Paul G. Curcillo II MD  FACS  Stephanie A. King MD  FACOG  Erica R. Podolsky MD  David E. Holt BVSc  Diplomate ACVS  Jeffrey Davidson BS  Kimberly A. Agnello DVM  MS  Diplomate ACVS 《Veterinary surgery : VS》2012,41(7):803-806

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Reproductive Causes of Hypocalcemia     

Autumn P. Davidson 《Topics in companion animal medicine》2012,27(4):165-166

Reproductive causes of hypocalcemia include puerperal tetany (eclampsia) and mild hypocalcemia during whelping. This article reviews the pathophysiology, signalment, clinical signs, and treatment of eclampsia in the bitch and queen. The second part of the article focuses on the consequences and treatment of hypocalcemia prior to and during whelping in dogs and cats.  相似文献   

Evaluation of infertility in the bitch     

Grundy SA  Feldman E  Davidson A 《Clinical Techniques in Small Animal Practice》2002,17(3):108-115

The majority of bitches that are brought to a veterinarian for reproductive evaluation are actually healthy. Infertility in the bitch is most commonly due to inappropriate breeding management rather than an inability to conceive. Before embarking on an exhaustive medical evaluation, it is important to obtain a thorough history and physical examination to identify any problems. Completion of a routine database assists in detecting significant systemic illness that may impact infertility. After consideration of history, physical examination, and minimum database, fertility problems are most commonly considered in one of four categories: abnormal estrous cycles, normal estrous cycles, failure to breed, or failure to carry a litter to term. This classification system aids in construction of a differential list and systematic evaluation of all differentials. The majority of diagnostic tests required are available to the general practitioner. Before any treatment for infertility, adequate health management must be ensured. Specific treatment for the most common causes of infertility is centered on appropriate breeding management.  相似文献   

A clinical evaluation of a mini-Lack breathing system in cats: comparison with a modified Ayre's T-piece     

CM Walsh  PM Taylor 《Veterinary anaesthesia and analgesia》2002,29(2):93-94

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Adaptation of thermal threshold analgesiometry for NSAIDs in cats: effects of ketoprofen   总被引：1，自引：0，他引：1  

PM  Taylor  SA Robertson  MJ Dixon 《Veterinary anaesthesia and analgesia》2003,30(2):91-91

Nonsteroidal anti‐inflammatory drugs (NSAIDs) are widely used to provide analgesia in clinical veterinary medicine, but there are few objective data evaluating this effect under controlled conditions in cats. Analgesia is more difficult to detect with acute analgesiometry after NSAIDs than after opioids. This investigation aimed to adapt the feline thermal analgesiometry method previously employed with opioids ( Dixon et al. 2002 ) for use with NSAIDs. Ketoprofen, a COX1 inhibitor licensed for cats was chosen. Six cats (2 neutered, four entire females, weighing 2.2–5.4 kg) were studied in two blinded randomized crossover trials each at least 2 weeks apart. Thermal thresholds (TT) were measured using the thermal threshold‐testing device previously developed for cats. A heater element and temperature sensor in a small probe were held at constant pressure against the cats' shaved thorax with an elasticized band. Skin temperature was recorded before each test, then the heater activated. When the cat responded by flinching, turning or jumping the heater was turned off and the temperature recorded. In the first study TT were measured following subcutaneous (SC) injection of ketoprofen (2 mg kg^?1) or a similar volume of saline. In the second study, prior to TT, and under isoflurane restraint, a mild inflammatory focus was produced at the probe site by five SC injections of 5 mg kaolin in 0.1 mL saline at each corner and in the center of a 1.5‐cm square. Saline or ketoprofen as in the first study were injected at the same time. Three baseline temperatures were recorded before any injections were given. Thermal thresholds were measured at 1 and 2 hours and then two‐hourly for 24 hours. Data were analysed using anova . Baseline skin temperature increased (37.3 ± 0.5–38.1 ± 0.8 °C) 24 hours after saline injection in study 2 (p < 0.05) but did not change after any other treatment. Thermal thresholds decreased (40.0 ± 1.3 to 39.1 ± 0.4 °C) 16 hours after ketoprofen in study 1 (p < 0.05) and increased (41.6 ± 1.5–44.8 ± 6.1 °C) 16–24 hours after ketoprofen in study 2 (p < 0.05), with no significant changes after saline. No obvious increase in sensitivity to thermal stimulation after kaolin injection was detected although obvious inflammation was present for up to 36 hours and the cats responded to digital pressure at the treated site. The method detected some effects of a COX1 selective NSAID and may be suitable for future NSAID studies in cats. However, a pressure stimulus ( Dixon et al. 2000) may prove better than thermal, and it requires investigation.  相似文献   

Obituary: Dr Sam Jamieson,OBE, MRSVS,DVSM, PhD     

David Davidson 《New Zealand veterinary journal》2013,61(7)

Extract

Dr Sam Jamieson died suddenly at his home on 11 May 1987, aged 77 years  相似文献   

Surveillance of Parapoxvirus Among Ruminants in Virginia and Connecticut     

A. A. Roess  A. M. McCollum  K. Gruszynski  H. Zhao  W. Davidson  N. Lafon  T. Engelmeyer  B. Moyer  C. Godfrey  H. Kilpatrick  A. Labonte  J. Murphy  D. S. Carroll  Y. Li  I. K. Damon 《Zoonoses and public health》2013,60(8):543-548

In 2008, two deer hunters in Virginia and Connecticut were infected with a unique strain of pseudocowpox virus, a parapoxvirus. To estimate the prevalence of this virus, and in an attempt to define the reservoir, Parapoxvirus surveillance was undertaken between November 2009 and January 2010. 125 samples from four ruminant species (cows, goat, sheep and white‐tailed deer) were collected in Virginia, and nine samples from white‐tailed deer were collected in Connecticut. We found no evidence that the parapoxvirus species that infected the deer hunters is circulating among domesticated ruminants or white‐tailed deer. However, parapoxvirus DNA of a different parapoxvirus species, bovine papular stomatitis virus (BPSV), was detected in 31 samples obtained from asymptomatic cattle in Virginia. Parapoxvirus DNA–positive cattle originated from the same counties indicating probable transmission among animals. Molecular analysis identified BPSV as the parapoxvirus affecting animals. Asymptomatic parapoxvirus infections in livestock, particularly young animals, may be common, and further investigation will inform our knowledge of virus transmission.  相似文献   

Oral reserpine administration in horses results in low plasma concentrations that alter platelet biology     

J. M. Gilbertie  J. L. Davis  G. S. Davidson  A. M. McDonald  J. M. Schirmer  L. V. Schnabel 《Equine veterinary journal》2019,51(4):537-543

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Tick Borne Diseases     

W. B. Davidson 《Canadian journal of veterinary research》1941,5(5):123-137

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