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AJ DART  BA DOWLING 《Australian veterinary journal》2004,82(5):286-287

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The use of magnetic resonance imaging in the diagnosis of neurological disease   总被引：2，自引：2，他引：0       下载免费PDF全文

Stewart WA  Parent JM  Towner RA  Dobson H 《The Canadian veterinary journal. La revue veterinaire canadienne》1992,33(9):585-590

Magnetic resonance imaging (MRI) data were correlated with clinical and cerebrospinal fluid (CSF) findings in one cat and two dogs with brain lesions. In all three cases, localization of the lesions, as determined clinically, was confirmed using MRI. Magnetic resonance imaging also helped us to define the full extent of the lesion(s) in each case. In one case, the lesion would have been diagnosed as purely inflammatory based on the abnormalities in the CSF. The MRI study, however, showed a homogeneous mass with circumferential changes characteristic of peritumoral edema or inflammation. In two cases, the MRI findings were confirmed at necropsy. An MRI study was also done on a normal dog, demonstrating the variable contrast and anatomical detail possible using this technique. We also discuss difficulties in identifying tumor type using MRI.  相似文献   

Efficacy of two dichlorvos formulations against larval and adult Hyostrongylus rubidus in swine.     

T B Stewart  O M Hale  O G Marti 《American journal of veterinary research》1975,36(6):771-772

Coated (V-13) and uncoated (V-22) formulations of dichlorvos were used to treat experimentally established Hyostrongylus rubidus infections of pigs at intervals after exposure to infective larvae. Both dichlorvos formulations were efficacious against the adult stomach worm H rubidus, but showed little or no activity against 5- or 15-day-old worms. Neither formulation was as effective against H rubidus in sows as in barrows and gilts.  相似文献   

The re-emergence of indigenous forest in an urban environment, Christchurch, New Zealand   总被引：4，自引：0，他引：4  

Glenn H. Stewart  Maria E. Ignatieva  Colin D. Meurk  Richard D. Earl 《Urban Forestry & Urban Greening》2004,2(3):149-158

Christchurch, the second largest city in New Zealand is a planned city on a coastal plain on the east coast of the South Island. The birth of the city and the subsequent century of development was characterised by colonial values and tree and garden planting with familiar European species along with those from Australia, North America, and eventually all other continents. The image of an “English garden city” with classical parks of oaks and willow-lined rivers became the accepted norm and the way in which the city has been promoted to potential tourists. Gardening is one of the top two recreational activities and exotic species greatly outnumber native species in the flora and in gardens. This has had serious consequences for the highly fragmented and degraded indigenous vegetation and its co-adapted wildlife. A few hardy indigenous species continued to regenerate through this period, but since the 1970s, there has been a progressive change of attitude and interest in reclaiming the natural heritage of the city, manifest in widespread private and public planting of indigenous species and active habitat restoration. In this article we examine the indigenous and exotic shrub and tree components of the Christchurch flora as planted street trees, in domestic gardens, and in parks. We also present data on shrub and tree regeneration in parks and domestic gardens in the city. Indications are that the more sensitive, less intrusive management of urban environments, combined with the greater density of indigenous seed sources, has allowed regeneration of a wide range of indigenous species across a broad spectrum of habitats – from neglected gardens to pavement cracks to exotic plantations. This is despite the competition from the prodigious seed banks and density of exotic trees, shrubs, and ground covers and albeit minimal impacts of introduced browsing and seed eating mammals. If the present trends continue through appropriate management and facilitation, these tentative signs of native forest regeneration should eventually proliferate into a sustainable mixed origin urban forest that resurrects and preserves the natural character of the region.  相似文献   

A survey of northern Victorian dairy farmers to investigate dairy calf management: colostrum feeding and management          下载免费PDF全文

AJ Phipps  DS Beggs  AJ Murray  PD Mansell  MF Pyman 《Australian veterinary journal》2018,96(4):101-106

Objectives

To describe colostrum management practices carried out in northern Victorian dairy herds and to identify weaknesses in these areas that may affect calf health and welfare by comparing the results with the current industry recommendations

Methods

A questionnaire to obtain information about colostrum management and calf‐rearing practices was sent to commercial dairy farming clients of Rochester Veterinary Practice between June and September 2013. The questionnaire consisted of a general herd overview and colostrum harvesting practices.

Results

The response rate was 39% (58/150). Many dairy producers were not meeting the current industry recommendations in the following areas: (1) time of removal calf from the dam, (2) relying on calf suckling colostrum from the dam to achieve adequate passive transfer, (3) failing to supplement calves with colostrum, (4) feeding inadequate volumes of colostrum, (5) delayed colostrum harvesting, (6) pooling of colostrum, (7) failing to objectively assess colostrum quality or relying on visual assessment and (8) storing colostrum for a prolonged periods of time at ambient temperatures.

Conclusion

The results from this survey highlight the need for greater awareness of industry standards for colostrum management and feeding hygiene.

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A preliminary investigation of the effect of sample collection technique on the cell and RNA content of fine‐needle aspirates of five canine tumours          下载免费PDF全文

K. L. Bowlt Blacklock  J. Ireland  J. Stewart  S. Murphy  L. Blackwood  M. Starkey 《The Journal of small animal practice》2018,59(4):211-221

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Equine pituitary pars intermedia dysfunction: current understanding and recommendations from the Australian and New Zealand Equine Endocrine Group          下载免费PDF全文

CJ Secombe  SR Bailey  MA de Laat  KJ Hughes  AJ Stewart  JM Sonis  RHH Tan 《Australian veterinary journal》2018,96(7):233-242

The purpose of this article is to provide a review of the current knowledge and opinions about the epidemiology, clinical findings (including sequelae), diagnosis, treatment and monitoring of equine pituitary pars intermedia dysfunction, particularly in the Australian context. This information and the recommendations provided will assist practitioners in making informed decisions regarding the diagnosis and management of this disorder.  相似文献   

Re: Recommendations from the Australian and New Zealand Equine Endocrine Group and the interpretation of plasma endogenous ACTH concentrations for the diagnosis of pituitary pars intermedia dysfunction (PPID)          下载免费PDF全文

Associate Professor Cristy Secombe  Professor Simon Bailey  Dr Melody de Laat  Associate Professor Kristopher Hughes  Dr Allison Stewart  Dr Jenny Sonis  Dr Rachel Tan 《Australian veterinary journal》2018,96(9):319-319

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Effect on Rendement Napole genotype on metabolic markers in Ossabaw pigs fed different levels of fat          下载免费PDF全文

H. Lu  H. Yan  M. G. Ward  T. Stewart  O. Adeola  K. M. Ajuwon 《Journal of animal physiology and animal nutrition》2018,102(1):e132-e138

We investigated effects of Rendement Napole (RN ) genotype on metabolic markers in Ossabaw pigs fed diets with different levels of dietary fat. Thirty‐two pigs, belonging to either the wild‐type (WT , rn⁺/rn⁺) or carrier (CAR , RN ^?/rn⁺) genotypes (n  = 16/genotype), were divided into two dietary groups, (high fat [HF ] or low fat [LF ]) diets, for 12 weeks (n  = 8 pigs/genotype/diet) after which pigs were killed for gene expression analysis by RT ‐PCR . Feeding HF diet caused increased daily gain (ADG , p  <  .05) and final body weight (BW ) (p  <  .05) in comparison with the LF diet (p  <  .05). Feed efficiency (gain:feed) was higher (p  <  .05) in pigs on the HF and was higher (p  <  .05) in CAR pigs compared to WT . There was genotype × diet interaction (p  =  .05) on final BW such that CAR animals on LF diet had the same final BW as animals of both genotypes on HF diet. Carrier pigs on LF diet had higher (p  <  .05) average daily gain and gain:feed than WT pigs. There was a trend (p  <  .08) for a higher feed consumption in pigs on the LF diet. Backfat thickness was higher (p  <  .01) in pigs on the HF diet. Serum triglyceride was higher (0.62 vs. 0.33 mg/dl, p  <  .01) in pigs on HF diet. Serum insulin was higher (p  <  .05) in CAR versus WT pigs (0.40 vs. 0.015 μg/ml). Pigs on the HF diet had a higher (p  <  .05) serum insulin compared to those on the LF diet (0.032 vs. 0.023 μg/ml). Carnitine palmitoyl transferase 1‐alpha was higher (p  <  .05) in the longissimus dorsi and semitendinosus muscles of pigs on HF diet. Acyl‐CoA oxidase I was elevated (p  <  .05) in the liver of pigs on HF diet. Fatty acid synthase was lower in the longissimus dorsi muscle, liver and mesenteric fat (p  <  .05) of carrier pigs. The RN gene regulates specific metabolic markers in the Ossabaw pigs.  相似文献   

Insulin dysregulation in horses with systemic inflammatory response syndrome          下载免费PDF全文

François‐René Bertin  Debra Ruffin‐Taylor  Allison Jean Stewart 《Journal of veterinary internal medicine / American College of Veterinary Internal Medicine》2018,32(4):1420-1427

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