Development of monoclonal antibody ELISA for simultaneous detection of bovine coronavirus, rotavirus serogroup A, and Escherichia coli K99 antigen in feces of calves.     

C J Thorns  M M Bell  D Chasey  J Chesham  P L Roeder 《American journal of veterinary research》1992,53(1):36-43

A rapid ELISA was developed for simultaneous detection of bovine coronavirus (BCV), rotavirus (RV) serogroup A, and Escherichia coli K99 antigen in feces of calves. A mixture of 3 monoclonal antibodies specific for BCV, RV, or K99 was used successfully to capture the antigens; the same antibodies labeled with peroxidase were used to detect BCV, RV, or K99. The triple ELISA was compared with standard reference diagnostic methods by examining feces from experimentally and naturally infected and healthy calves. All the components of the test were highly specific (greater than 90%) and sensitive (BCV, 77%; K99, 93%; RV, 100%) when used in a format requiring short incubation steps at 20 C and visual recording of results.  相似文献   

Acute interstitial pneumonia in cattle associated with consumption of mould-damaged sweet potatoes (Ipomoea batatas)     

BD HILL  HF WRIGHT 《Australian veterinary journal》1992,69(2):36-37

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Blood selenium concentrations of sheep and goats from selected areas of Kenya     

S. K. Mbwiria  J. O. Dickinson  J. F. Bell 《Tropical animal health and production》1986,18(3):159-165

A systematic mapping technique based on blood, forage and soil selenium levels was employed to locate areas of selenium deficiency, adequacy or excess in areas of Kenya where grazing of small ruminants predominates. A total of 1,478 blood samples from both sheep and goats, 180 forage samples and 90 soil samples were analysed for selenium levels. During the wet seasons 28% of the sheep and 15% of the goats had marginal to deficient blood selenium concentrations while during the dry season 20% of the sheep and 12% of the goats had marginal to deficient blood selenium concentrations. Forage samples had a range of 0.03 to 0.66 ppm selenium while soil samples had a range of 0.06 to 0.98 ppm selenium. Although many animals had blood selenium levels of less than 0.05 ppm, below which selenium deficiency signs might occur, none of the animals manifested these signs.  相似文献   

Aflatoxin B1 toxicosis in dairy calves pretreated with selenium-vitamin E     

M Brucato  S F Sundlof  J U Bell  G T Edds 《American journal of veterinary research》1986,47(1):179-183

Effects of a single IM injection of selenium-vitamin E (Se-E; 5 mg of Se + 68 IU of alpha-tocopherol/60 kg of body weight) as a pretreatment 14 days before an oral dose of aflatoxin B1 (1.0 mg/kg) were studied in 24 dairy calves. Treatment groups were designated as follows: group 1 = no Se-E or aflatoxin B1 (control); group 2 = Se-E supplementation only; group 3 = aflatoxin B1 dose only; and group 4 = Se-E supplementation before aflatoxin B1 dose. Clinical signs of toxicosis in aflatoxin B1-treated calves included anorexia, ataxia, rough haircoats, increased respiration rates, dyspnea, dehydration, and nasal discharge. Packed-cell volume, RBC, WBC, and hemoglobin were increased in aflatoxin-treated calves. Significant increases in serum aspartate aminotransferase (P less than 0.05) and gamma-glutamyl-transferase (P less than 0.001) activities and prothrombin times (P less than 0.001) were observed in aflatoxin-treated calves, indicating that there was hepatic involvement. Although aflatoxin exposure caused a significant decrease in body weight (P less than 0.01) and feed intake (P less than 0.001) in treatment groups 3 and 4, Se was demonstrated to interact significantly (P less than 0.001) with aflatoxin B1 for feed intake, causing an improved feed intake in treatment group 4 calves.  相似文献   

AN OUTBREAK OF BOVINE TRICHOMONIASIS     

A. K. Sutherland  B.V.Sc.  M.S.  G. C. Simmonds  B.Sc. A. T. Bell  B.V.Sc. 《Australian veterinary journal》1953,29(3):67-69

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Primary malignant pulmonary neoplasia in two horses     

A E Schultze  I Sonea  T G Bell 《Journal of the American Veterinary Medical Association》1988,193(4):477-480

Although primary malignant pulmonary neoplasia of horses is rarely encountered, this diagnosis was confirmed in 2 horses on the basis of necropsy and histopathologic findings. One horse, with cystic mucinous adenocarcinoma, had respiratory tract and neurologic signs directly attributable to the neoplasm, and a tentative antemortem diagnosis of pulmonary neoplasia was made. The other horse, with anaplastic bronchogenic carcinoma, did not have clinical signs of pulmonary neoplasia.  相似文献   

Erythrocytes and leucocytes in the vaginal smear of the beagle bitch     

E T Bell  D W Christie 《The Veterinary record》1971,88(21):546-549

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Nonfatal rabies in dogs: experimental studies and results of a survey   总被引：1，自引：0，他引：1  

J F Bell  M A Gonzalez  A M Diaz  G J Moore 《American journal of veterinary research》1971,32(12):2049-2058

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Seasonal transmission of liver flukes to cattle in the Texas Gulf Coast     

T M Craig  R R Bell 《Journal of the American Veterinary Medical Association》1978,173(1):104-107

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Treatment of insulinoma in a springer spaniel with streptozotocin     

Bell R  Mooney CT  Mansfield CS  Jones BR 《The Journal of small animal practice》2005,46(5):247-250

An eight-year-old, female springer spaniel was treated for metastatic insulinoma with a single intravenous dose of 500 mg/m2 streptozotocin (SZN), and pre- and post-treatment diuresis. A tapering dose of corticosteroids was also administered over a 28 day period. SZN and corticosteroid administration resulted in resolution of hypoglycaemia and subsequent development of diabetes mellitus. Further metastases caused cervical spinal pain and the dog was euthanased 118 days after SZN administration. SZN can be safely used for the treatment of canine insulinoma, but, when compared with other published cases, a marked variation in clinical response to this drug exists and further study is warranted.  相似文献