Bordetella bronchiseptica: a re-assessment of its role in canine respiratory disease   总被引：3，自引：0，他引：3  

N G Wright  H Thompson  D Taylor  H J Cornwell 《The Veterinary record》1973,93(18):486-487

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Chemical Control of Chrysanthemum Leaf Miner and Some Observations on Varietal Preference   总被引：2，自引：2，他引：0  

N. Erench  Margaret E.  John A. Wright 《Plant pathology》1967,16(4):181-186

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Canine distemper: current concepts in laboratory and clinical diagnosis   总被引：6，自引：0，他引：6  

N G Wright  H J Cornwell  H Thompson  I M Lauder 《The Veterinary record》1974,94(5):86-92

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Residues of tetrachlorvinphos and its breakdown products on treated crops. I.—Method development     

K. I. Beynon  M. J. Edwards  A. N. Wright 《Pest management science》1970,1(6):250-254

Procedures are described for the analysis of crops for residues of tetrachlorvinphos (Gardona, trans-isomer of dimethyl 1-(2′,4′,5′-trichlorophenyl)-2-chloroyinyl phosphate) insecticide together with methods for the analysis for residues of its isomer and its conjugated and non-conjugated breakdown products. Suitable procedures for the extraction are described together with procedures for the cleanup of the extracts by partition or column chromatography and final analysis down to 0·01 ppm or less by gas-liquid chromatography with electron capture detection.  相似文献   

Removal of non-specific agglutination reactions by avian sera to the serum plate agglutination test for Mycoplasma gallisepticum     

C L Wright  J D Meneely 《The Veterinary record》1972,90(1):13-14

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Replacement therapy for induced hypothyroidism in dogs   总被引：1，自引：0，他引：1  

D Hightower  J R Kyzar  D K Chester  E M Wright 《Journal of the American Veterinary Medical Association》1973,163(8):979-980

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Determination of residues of the molluscicide trifenmorph and its breakdown product triphenylcarbinol: I.—Method     

K. I. Beynon  M. J. Edwards  A. N. Wright 《Pest management science》1970,1(5):200-203

A procedure has been developed for the analysis of crops and soils for residues of trifenmorph (N-trityl-morpholine) molluscicide and its breakdown product triphenylcarbinol (TPC). Samples were extracted with 20% by vol. acetone in petroleum ether and the efficiency of the extraction was established using radiochemical techniques. The extracts were subjected to column chromatography on basic alumina columns to separate trifenmorph from the TPC. The residues were converted to trichloroethyl ether derivatives followed by clean-up by column chromatography on silica gel and analysis of down to 0·02 ng by gas-liquid chromatography. Blank values were generally 0·01–0·02 ppm, recoveries were on average about 80% and were limited to this value by the yield of the etherification reaction. The storage stability of the residues at —10°c was satisfactory.  相似文献   

SEMEN WASTAGE AT A BOVINE ARTIFICIAL BREEDING CENTRE     

P. J. Wright M.V.Sc. 《Australian veterinary journal》1975,51(3):122-125

The consequences of the use of swirl assessment at a bovine artificial breeding centre were studied. Data relating to the amount of semen discarded, fertility of accepted semen, the relationship between discard rates and age of bull and ejaculate number have been presented. The overall differences in fertility between semen with swirl ratings, 5, 6 and 7 were very small. About 50% of all ejaculates collected in the period considered were discarded at the first inspection. The discard rate tended to be greater in young and in older bulls. The discard rate was significantly greater (P less than or greater to 0.001) for second ejaculates. It was considered that a proportion of rejected semen may have been of good fertility. Semen wastage after freezing was low.  相似文献   

Rapid diagnosis of infectious canine hepatitis by immunofluorescence     

N G Wright  N Burns 《The Veterinary record》1966,78(26):926-927

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The toxicity of benomyl and some related 2-substituted benzimidazoles to the earthworm Lumbricus terrestris     

Austin Stringer  Michael A. Wright 《Pest management science》1976,7(5):459-464

Benzimidazole and its 2-amino analogue were non-toxic to Lumbricus terrestris when administered orally. The fungicidal 2-substituted benzimidazoles (benomyl, carben-dazim, fuberidazole and thiabendazole) and l-(benzimidazol-2-yl)-3-butylurea were highly and equally toxic. The equitoxicity of compounds with widely differing substituent groups suggests a common mode of action—the benzimidazole moiety being the active part of the molecule. It is likely that there is a common mode of action for benzimidazole analogues for both fungicidal activity and earthworm toxicity. There was no detectable effect on the cholinesterase levels of earthworms poisoned by benomyl. But it is confirmed that the cholinesterase inhibitory activity of benomyl in vitro is due to formation of butyl isocyanate.  相似文献