Use of a controlled-release albendazole capsule in goats     

NC SANGSTER  JM RICKARD  GH COLLINS  DR HENNESSY  JW STEEL 《Australian veterinary journal》1992,69(3):67-68

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Colour mutant alopecia in a Kelpie ×Border Collie dog     

JW FINNIE  VL THAM 《Australian veterinary journal》1993,70(10):388-389

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Ultrasonographic assessment of liver size in the dog     

F. Barr 《The Journal of small animal practice》1992,33(8):359-364

A simple ultrasonographic method of estimating liver size in the dog was evaluated in this study. A single linear measurement from the tip of the ventral liver lobes to the diaphragm was made, using both transverse and longitudinal planes of section, Assuming careful technique, this measurement proved to be highly reproducible. There was good correlation between the measurements taken on the two planes of section. This measurement was shown to provide a good indicator of liver mass, irrespective of the size or breed of dog. It was concluded that ultrasound provides a simple, quantitative method of assessing liver size in the dog.  相似文献   

Thermodynamic efficiency of brittle frictional mountain building     

Barr TD  Dahlen FA 《Science (New York, N.Y.)》1988,242(4879):749-752

An active fold-and-thrust belt in unchanging tectonic and climatic conditions attains a dynamic steady-state in which the influx of accreted material at the toe is balanced by the erosive efflux off the top. The overall balance of energy in such a steady-state fold-and-thrust belt is described by the equation E = W(G) + Q, where E is the rate at which both mechanical and heat energy are added from external sources, W(G) is the rate of work performed against gravitational body forces, and Q is the rate at which waste heat flows out of the upper and lower boundaries. The total amount of power being supplied to the active Taiwan fold-and-thrust belt by the subducting Eurasian plate and in situ radioactivity is 4.2 gigawatts. Because only 0.5 gigawatts are expended in doing useful work against gravity and the remaining 3.7 gigawatts are ejected as heat, the efficiency of brittle frictional mountain building in Taiwan is 11 percent.  相似文献   

Reply     

SE RIDGE  JW GALVIN 《Australian veterinary journal》2005,83(12):767-767

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Hypernatremia secondary to homemade play dough ingestion in dogs: a review of 14 cases from 1998 to 2001     

Julie M. Barr  BS    Safdar A. Khan  DVM  MS  PhD  DABVT    Sheila M. McCullough  DVM  MS  DACVIM    Petra A. Volmer  DVM  MS  DABVT  DABT 《Journal of Veterinary Emergency and Critical Care》2004,14(3):196-202

Objective: To correlate the sodium chloride dosage and the serum sodium concentration to clinical signs, to determine if the dosage of homemade play dough (and, therefore, sodium chloride) is the most reliable way to predict clinical signs and prognosis, and to review previously reported treatment options. Design: Retrospective case series. Animals: Fourteen dogs with a history of homemade play dough ingestion. Procedure: Cases were examined for each animal's signalment including body weight, age, approximate amount of play dough ingested, the estimated sodium chloride dosage, clinical signs, serum sodium concentration, and outcome when available. The literature was reviewed to determine pathophysiology and treatment regimens. Results: Twelve of 14 dogs (86%) that ingested homemade play dough showed clinical signs. Vomiting (9 of 14, 64%), polydipsia, and seizures (4 of 14 each, 29%) were the most common signs followed by polyuria, tremors (3 of 14 each, 21%), and hyperthermia (2 of 14, 14%). The lowest calculated dosage associated with objective clinical signs was 1.9 g/kg. Seizures were reported in all animals with serum sodium levels greater than 180 mEq/L. Conclusions and clinical relevance: Homemade play dough ingestion can be a serious and life‐threatening problem. Many factors can contribute to the toxicity of homemade play dough. This study indicates that the serum sodium concentration is a more reliable indicator of the clinical course of the toxicity rather than the amount of play dough and, therefore, the dosage of sodium chloride ingested. Treatment should be based on a clinical evaluation of the patient and laboratory results, and consists of controlling seizures, reducing serum sodium concentrations slowly, and supportive care.  相似文献   

Perivascular wall tumour presenting as pastern mass in a Standardbred gelding     

M Stutsel  M Gimeno  A Young  JW Bell  N Horadagoda 《Australian veterinary journal》2023,101(11):445-448

A 2-year-old Standardbred gelding was referred for a mass on the palmaromedial right front pastern which was accompanied by progressively worsening lameness. The mass was firm to palpation and covered by normal skin. Ultrasonographically, a smooth encapsulated mass was present, medial to the flexor tendons and palmar to the neurovascular bundle. Because of a poor prognosis for future athletic performance without surgical or chemotherapeutic intervention and economic constraints preventing further diagnostics and treatment, the horse was euthanised. Post-mortem magnetic resonance imaging, histopathology and immunohistochemistry revealed the mass to be a perivascular wall tumour, the first record of such a neoplasia in the horse.  相似文献   

The Olsen P/solution P relationship as affected by soil properties     

I. Sánchez‐Alcalá  M. C. del Campillo  V. Barrón  J. Torrent 《Soil Use and Management》2014,30(4):454-462

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Feline immunodeficiency virus, feline leukaemia virus, Toxoplasma gondii, and intestinal parasitic infections in Taiwanese cats   总被引：1，自引：0，他引：1  

D S Lin  S S Lai  D D Bowman  R H Jacobson  M C Barr  S L Giovengo 《The British veterinary journal》1990,146(5):468-475

A population consisting of 70 breeder cats, 43 clinical cases, and 16 feral cats was examined for the presence of Toxoplasma gondii, feline immunodeficiency virus (FIV), and feline leukaemia virus (FeLV). No oocysts of T. gondii were observed in 96 faecal samples; faecal samples were not available from the feral cats. Other intestinal parasites identified included Isospora felis (three cats), Isospora rivolta (five), Dipylidium canium (two), Toxocara cati (four), Toxascaris leonina (one), and Ancylostoma sp. (two). Using a kinetics-based enzyme-linked immunosorbent assay on 117 sera including all the feral cats, nine had antibody to T. gondii antigen, three for antigens to FIV, and seven to the p27 antigen of FeLV. Of the nine cats with antibody to T. gondii, only one was also infected with FIV.  相似文献   

Improved performance of gilthead sea bream, Sparus aurata, larvae after ozone disinfection of the eggs   总被引：1，自引：0，他引：1  

Isashar Ben-Atia  Sigal Lutzky  Yoav Barr  Kutsal Gamsiz  Yariv Shtupler  Amos Tandler  & William Koven 《Aquaculture Research》2007,38(2):166-173

Ozone (O₃) dissolved in seawater (ODS) was evaluated, as an egg disinfectant, on the spawn of captive gilthead sea bream, Sparus aurata, brood stock. Four contact times (CT) were tested (0.6, 1.2, 2.4 and 4.8 mg min L⁻¹) where CT was calculated by multiplying the dissolved O₃ concentration (0.3 mg L⁻¹) by different exposure periods (2, 4, 8, 16 min). There was also a disinfected seawater treatment that contained no O₃ or derived compounds (CT 0) and an untreated seawater control. All ODS treatments reduced egg surface bacterial counts to zero, which was significantly (P<0.05) lower than the CT 0 and the control groups (194 and 1320 plate⁻¹ respectively). Nevertheless, the hatching rate was high in the control and the CT treatments 0, 0.6 and 1.2 (88.7%, 87.3%, 89.5% and 83.7% respectively) while eggs exposed to a CT 2.4 and 4.8 hatched poorly (36.5% and 20.4% respectively), which was likely due, at least in part, to larvae unable to break the egg chorion successfully. Swim‐bladder inflation was significantly higher in the ODS groups (>97%) compared with the control and CT 0 treatments (ca. 70%). The results suggest that a 2‐min exposure of eggs to 0.3 mg O₃ L⁻¹ of ODS (CT 0.6) would improve current protocols in marine larviculture.  相似文献