Periodontal disease. Therapy and prevention     

B J Hawkins 《Veterinary Clinics of North America: Small Animal Practice》1986,16(5):835-849

Success in veterinary dentistry lies in good home care and regular, thorough dental prophylaxis. The removal of supragingival and subgingival calculus must be accomplished before periodontal disease can be controlled. When gingival sulcus depths exceed 4 or 5 mm, the gingivae must be excised or reflected to allow proper treatment of the pocket area. Antibiotic therapy should be instituted in the extensively involved veterinary dental patient.  相似文献   

Qntgegnung auf die im Abgeordnetenhaufe zu Berlin in der Sisung vom 3. Decbr. 1867 gegen das hannover’fche Forftmefen gefallenen Aeuserungen. Qin Schreiben des Forftdirectors Burdhardt an bie Mitglieder bes Landtags aus der Brobing Hannober. 14 Seiten in 4°. Hannober. Q. Rümpler 1868. Breis 18 fr     

F. Baur 《European Journal of Forest Research》1868,12(1):113-120

Ohne Zusammenfassung  相似文献   

SCIENCE AND SECRETARIES     

Willis B 《Science (New York, N.Y.)》1928,67(1735):345-346

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SYMBOLS IN ZOOLOGICAL NOMIENCLATURE     

Ward HB 《Science (New York, N.Y.)》1911,33(836):25-29

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ADDRESS OF THE PRESIDENT     

Lillie FR 《Science (New York, N.Y.)》1938,87(2263):421-423

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Some Ojibwa and Dakota practices     

Babbitt FE 《Science (New York, N.Y.)》1886,7(175):526-528

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ALCOHOLIC FERMENTATION BY FUSARIA JUICE OBTAINED WITH A WET CRUSHING MILL     

Wirth JC  Nord FF 《Science (New York, N.Y.)》1940,92(2375):15-16

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The effects of experimentally induced fever on the estimated blood flow to and oxygen utilization by the liver and the viscera drained by the portal vein in sheep     

D. N. Kisauzi  B. F. Leek 《Veterinary research communications》1991,15(2):95-105

Intrajugular injection of a purified E. coli lipopolysaccharide induced a biphasic fever in sheep after a latent period of 12 to 20 min. The changes in the blood flow from the liver and from the viscera drained by the portal vein were: (a) in the latent period, decreases in total hepatic blood flow (THF) due to decreased portal venous blood flow (PVF); (b) during the first febrile phase, increases in THF due to increased hepatic arterial blood flow and, (c) in the second febrile phase, increases in THF due to decreased PVF. Although there were large variations in the oxygen supply to the viscera drained by the portal vein and to the liver, there were relatively small or no changes in their oxygen consumption.  相似文献   

The failure of selenium supplementation to prevent copper-induced liver damage in Fischer 344 rats.     

E M Aburto  A Cribb  I C Fuentealba  B O Ikede  F S Kibenge    F Markham 《Canadian journal of veterinary research》2001,65(2):104-110

This study evaluates the ability of selenium (Se) supplementation to prevent experimental copper (Cu)-induced hepatocellular damage. Weanling male Fischer 344 rats were randomly assigned to groups of 15, 3 groups (A,B,C) were fed Cu-loaded diets (containing 2000 microg/g copper, added as CuSO4) and different levels of Se (added as Na2SeO3 x 5H2O) as follows: A) Cu-loaded/Se adequate diet (0.4 microg/g Se, fed basis); B) Cu-loaded/Se-supplemented diet (2 microg/g Se); and C) Cu-loaded/Se-deficient diet (< 0.2 microg/g). Three additional groups (D,E,F) were fed diets containing adequate levels of Cu (14 microg/g Cu, fed basis) and different levels of Se as follows: D) Cu-adequate/Se-adequate diet; E) Cu-adequate/Se-supplemented diet (2 microg/g Se); and F) Cu-adequate/Se-deficient (< 0.2 microg/g) diet. After 4, 8, and 12 weeks on the experimental diets, liver samples were processed for histology, histochemistry, metal analysis, glutathione peroxidase (GSH-Px) measurement, and quantification of malondialdehyde (MDA). Morphologic changes characteristic of Cu-associated hepatitis, without an increase in hepatic MDA levels, were seen in all Cu-loaded rats in each sampling. Similar changes occurred in rats fed Se-adequate, Se-supplemented and Se-deficient diets. This study demonstrates that Fischer 344 rats fed 2000 microg/g Cu develop morphologic changes due to Cu toxicity without evidence of lipid peroxidation. Furthermore, Se supplementation does not result in protection against Cu-induced liver injury.  相似文献   

Vaccination of the brushtail possum (Trichosurus vulpecula) against Mycobacterium bovis infection with bacille Calmette-Guérin: the response to multiple doses.     

L A L Corner  B M Buddle  D U Pfeiffer  R S Morris 《Veterinary microbiology》2002,84(4):327-336

In New Zealand, the brushtail possum (Trichosurus vulpecula) is the principal wildlife vector of bovine tuberculosis. Control of infected possum populations contributes to the control of tuberculosis in domestic livestock. Vaccination is potentially a complementary strategy to population control, but to be cost-effective, administration of the vaccine to possums would need to be from an appropriately designed automatic vaccinator. Possums themselves would activate the vaccinator so that it would deliver an aerosol spray of vaccine. There would be no direct way to prevent possums receiving multiple doses of vaccine. This study examined the effect on protective immunity of repeated vaccination. Captive possums were vaccinated with BCG strain pasteur 1173P2 either 12 times at weekly intervals, twice at 6-weekly intervals, or once. Vaccination was by a combination of intranasal aerosol and conjunctival instillation. Eight weeks after the last dose of vaccine, all possums were challenged intratracheally with Mycobacterium bovis strain 83/6235. Vaccination induced a significant immune response as measured by the lymphocyte proliferation assay (LPA). A significant level of protection, as measured by the response to challenge, developed in all the vaccinated possum groups, but protection was greatest in the group vaccinated 12 times. It was concluded that protection would be enhanced if vaccinations were repeated at short intervals (weekly), but no benefit or detriment resulted from revaccination after longer intervals (1-2 months).  相似文献