Tolerance to Formalin by a Fluidized-Bed Biofilter and Rainbow Trout Oncorhynchus mykiss in a Recirculating Culture System   总被引：1，自引：0，他引：1  

John M.  Heinen  Amy L.  Weber  Alicia C.  Noble Joseph D.  Morton 《Journal of the World Aquaculture Society》1995,26(1):65-71

Formalin tolerances of a fluidized-bed sand biofilter and rainbow trout Oncorhynchus mykiss were tested in a semi-closed freshwater recirculating culture system. Progressively higher formalin levels were tested until fish mortality (±1.9%) occurred. A 1-h exposure to 167 ppm formalin, followed by flushing, was safe for trout (no mortality) at 15.0 C but not at 16.5 C. A 110-ppm indefinite treatment (no flushing) was safe at 17.3 C, but 120 ppm at 17.3 C and 100 ppm at 17.8 C were not. Biofilter nitrification was not impaired by 1-h formdin treatments up to 167 ppm at 16.5 C, and not, usually, by indefinite treatments up to 120 ppm at 17.3 C. However, a find indefinite treatment of 70 ppm was followed by abnormally high nitrite levels for 9 d. Formaldehyde remained detectable in the system for 11 h during indefinite treatment at 120 ppm formalin. Tests on the system's Co₂ stripper did not indicate that it removed formaldehyde.  相似文献   

Malignant seminoma in a cryptorchid stallion   总被引：2，自引：0，他引：2  

B L Smith  L D Morton  J P Watkins  T S Taylor  R W Storts 《Journal of the American Veterinary Medical Association》1989,195(6):775-776

A 16-year-old cryptorchid Quarter House with colic had a large, lobulated soft-tissue mass to the left of the pelvic inlet. At surgery, 2 large multilobulated pedunculated masses were removed. A large blood vessel enveloped by one of the masses was damaged, and the horse exsanguinated. Postmortem examination of the abdomen revealed the masses to be malignant seminoma, with multiple sites of metastasis.  相似文献   

Alternatives to chronic restraint of nonhuman primates   总被引：2，自引：0，他引：2  

W R Morton  G H Knitter  P M Smith  T G Susor  K Schmitt 《Journal of the American Veterinary Medical Association》1987,191(10):1282-1286

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Concurrent protozoal encephalitis and canine distemper virus infection in a raccoon (Procyon lotor).     

J D Thulin  D E Granstrom  H B Gelberg  D G Morton  R A French  R C Giles 《The Veterinary record》1992,130(8):162-164

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Scrotal and testical changes in canine brucellosis: a case report     

T R Schoeb  R Morton 《Journal of the American Veterinary Medical Association》1978,172(5):598-600

An Irish Setter with scrotal enlargement had an agglutination titer to Brucella canis of greater than or equal to 1:200, but B canis was not cultured from the blood. Unusual findings included draining ulcers in the scrotum from which B canis was cultured, a necrotic testicle, and inflammation of the entire scotum. Other clinical and postmortem findings were as previously described in other cases of naturally occurring and experimentally induced canine brucellosis.  相似文献   

Veterinary prescription diets.     

G P Paradise  R C Ruberry  C Harrison  N Henry  J B Sargeant  R D Partridge  K Judge  N D Griffiths  C Morton  C G Troughton 《The Veterinary record》1991,129(20):454-455

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Pharmacokinetics of etodolac in the horse following oral and intravenous administration     

Davis JL  Papich MG  Morton AJ  Gayle J  Blikslager AT  Campbell NB 《Journal of veterinary pharmacology and therapeutics》2007,30(1):43-48

The purpose of this study was to determine the pharmacokinetics of etodolac following oral and intravenous administration to six horses. Additionally, in vitro cyclooxygenase (COX) selectivity assays were performed using equine whole blood. Using a randomized two-way crossover design, horses were administered etodolac (20 mg/kg) orally or intravenously, with a minimum 3-week washout period. Plasma samples were collected after administration for analysis using high pressure liquid chromatography with ultraviolet detection. Following intravenous administration, etodolac had a mean plasma half-life (t(1/2)) of 2.67 h, volume of distribution (Vd) of 0.29 L/kg and clearance (Cl) of 234.87 mL/h kg. Following oral administration, the average maximum plasma concentration (Cmax)) was 32.57 mug/mL with a t(1/2) of 3.02 h. Bioavailability was approximately 77.02%. Results of in vitro COX selectivity assays showed that etodolac was only slightly selective for COX-2 with a COX-1/COX-2 selectivity ratio effective concentration (EC)50 of 4.32 and for EC80 of 4.77. This study showed that etodolac is well absorbed in the horse after oral administration, and may offer a useful alternative for anti-inflammatory treatment of various conditions in the horse.  相似文献   

Bending Strength and Stiffness of Canine Cadaver Spines After Fixation of a Lumbar Spinal Fracture‐Luxation Using a Novel Unilateral Stabilization Technique Compared to Traditional Dorsal Stabilization          下载免费PDF全文

David A. Hall BVSc MANZCVSc  Samuel R. Snelling BVSc FANZCVSc  David C. Ackland PhD  Wenn Wu BEng  John M. Morton BVSc PhD  MANZCVSc 《Veterinary surgery : VS》2015,44(1):94-102

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Associations between meal size,gastric emptying and post‐prandial plasma glucose,insulin and lactate concentrations in meal‐fed cats          下载免费PDF全文

M. Coradini  J. S. Rand  L. J. Filippich  J. M. Morton  C. A. O'Leary 《Journal of animal physiology and animal nutrition》2015,99(4):757-766

Plasma glucose and insulin concentrations are increased for 12–24 h in healthy cats following moderate‐ to high‐carbohydrate meals. This study investigated associations between gastric emptying time and post‐prandial plasma glucose, insulin and lactate concentrations in cats fed an extruded dry, high‐carbohydrate, moderate‐fat, low‐protein diet (51, 28, 21% metabolizable energy, respectively) once daily by varying meal volume. Eleven healthy, non‐obese, neutered adult cats were enrolled in a prospective study and fed to maintain body weight. Ultrasound examinations were performed for up to 26 h, and blood collections over 24 h after eating meals containing approximately 100% and 50% of the cats’ daily caloric intake (209 and 105 kJ/kg BW, respectively). Gastric emptying time was increased after a meal of 209 kJ/kg BW compared with 105 kJ/kg BW (median gastric emptying times 24 and 14 h, respectively; p = 0.03). Time for glucose to return to fasting was longer after the 209 kJ/kg BW meal (median 20 h; 25th and 75th percentiles 15 and 23 h, respectively) than the 105 kJ/kg BW meal (13, 12 and 14 h; p < 0.01); however, peak glucose was not higher after the 209 kJ/kg BW meal compared with the 105 kJ/kg BW meal [(mean ± SD) 6.6 ± 0.6 and 7.8 ± 1.2 mmol/l, respectively, p = 0.07]. Times for insulin to return to fasting were not significantly longer after the 209 kJ/kg BW meal than the 105 kJ/kg BW meal (p = 0.29). d ‐ and l ‐lactate concentrations were not associated with gastric emptying time or post‐prandial blood glucose and insulin. Based on results obtained, prolonged gastric emptying contributes to prolonged post‐prandial hyperglycemia in cats meal fed a high‐carbohydrate, low‐protein, dry diet and fasting times for cats’ meal‐fed diets of similar composition should be 14–26 h, depending on meal size.  相似文献   

Genes for beta chain of human T-cell antigen receptor map to regions of chromosomal rearrangement in T cells   总被引：12，自引：0，他引：12  

C C Morton  A D Duby  R L Eddy  T B Shows  J G Seidman 《Science (New York, N.Y.)》1985,228(4699):582-585

The T-cell antigen receptor is a cell-surface molecule that participates in the immune response. In the present experiments the genes encoding the beta chain of the T-cell receptor were found to reside on the long arm of human chromosome 7 at or near band q32. Related sequences were found on the short arm of chromosome 7 in bands p15-21 in some experiments. Chromosomal rearrangements in T-cells from normal individuals and patients with ataxia telangiectasia have previously been observed at and near these map assignments for the beta-chain genes.  相似文献