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Meclofenamic acid was used to inhibit prostaglandin synthesis in lambs challenged with Ostertagia circumcincta. It lowered the number of parasites which established in treated animals but not significantly. In treated animals plasma pepsinogen values were elevated at the time of parasite emergence but had dropped below the values achieved in control lambs towards the end of the experiment when parasites were at the adult, lumenal dwelling stage. Meclofenamic acid administered to adult immune ewes during challenge with third stage O circumcincta larvae did not significantly affect the establishment of the parasites, nor did it affect the rise in pepsinogen concentration associated with the challenge. 相似文献
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Q. A. McKellar T. Pearson E. A. Galbraith J. Boyle G. Bell† 《The Journal of small animal practice》1991,32(2):53-58
The kinetics and efficacy of a cinchophen prednisolone combination preparation (PLT) were assessed in the dog. Cinchophen administered at a dose rate of 12-5 mg/kg intravenously had a volume of distribution (Vd area) of 0–13 litres/kg, a clearance rate (Cl) of 0–15 litres/h and a half-life (t 1/2β of 7–92 hours. Following oral administration the bioavailability was 87-21 per cent. Prednisolone administered at a dose rate of 0–15 mg/kg intravenously had a Vd area of 2–7 litres/kg, a CI of 0–116 litres/h and a t1/2β of 1–11 hours. PLT given to dogs with osteoarthritis at a dosage range of between 25 and 44 mg/kg per day cinchophen and between 0–125 and 0–220 mg/kg per day prednisolone for a maximum of 14 days significantly improved lameness (P<0–001), weight bearing (P<0–005), joint mobility (P<0–01) and stiffness (P<0–001) scores and was similar in clinical efficacy to phenylbutazone. 相似文献
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The general pharmacology of the non-steroidal anti-inflammatory drugs (NSAIDs) used in dogs and cats has been described in part 1 of this review (Lees and others 1991). This paper outlines the properties of the individual agents as they are used in small animal practice. The NSAIDs which have been used extensively in small animals include the older agents such as Aspirin, cinchophen and phenylbutazone. These agents have previously been used empirically by extrapolation of dosages from other species and by clinical experience. Studies are now available which provide a scientific rationale for the dosage rate recommended. A number of new drugs have recently been licensed for use in the dog or may be licensed in the near future. These include flunixin, carprofen and tolfenamic acid and the data generated from these products provides very useful information for formulating I effective dosage regimens. There are also some NSAIDs such as piroxicam which have been investigated in the dog because they have particular properties which may be of use in common clinical conditions and others, such as Paracetamol and Ibuprofen, which are readily available to the public and which owners may administer to dogs or cats at toxic doses. 相似文献
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Ten dogs with naturally occurring diabetes mellitus were injected with a highly purified porcine insulin zinc suspension at a dose according to their expected requirement. Plasma insulin and glucose concentrations were measured at two-hourly intervals over 24 hours following injection. There were either one or two peaks in plasma insulin concentration: one at about four hours (mean 4.3 21.3 [SD]) and another at about 11 hours (mean 11 pM1-85) after the injection. The second insulin peak was seen in only eight dogs. Persistence of elevated plasma insulin concentrations ranged from 14 to 24 hours (mean 17.4 pM 3.65). These results compare favourably with those published for other intermediate-acting insulin preparations used to treat canine diabetes mellitus and suggest that this preparation has useful properties for the successful management of many canine diabetics. 相似文献
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The pharmacology of flukicidal drugs 总被引：1，自引：0，他引：1
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Comparison of ivermectin, oxfendazole and levamisole for use as anthelmintics during the periparturient period in sheep 总被引：1，自引：0，他引：1
Ewes synchronised with progestin impregnated sponges to reduce the spread of lambing were treated during the periparturient period with anthelmintic. The suppression of nematode egg output in faeces was measured in ewes given ivermectin either by subcutaneous injection or orally, or oxfendazole or levamisole orally. Ivermectin and oxfendazole reduced the output of eggs in the faeces of the ewes significantly (P less than 0.05) and the period of suppressed egg output was extended when ivermectin was given by subcutaneous injection. Plasma pepsinogen activity was estimated as a measure of abomasal damage. Pepsinogen values were significantly (P less than 0.001) lower in those animals treated with ivermectin by subcutaneous injection than in control animals. Levamisole showed a poorer response in terms of the output of eggs in faeces than either ivermectin or oxfendazole. 相似文献