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At least 433 records · Page 24Linked to original sources
PubMed1993

Lead concentrations in liver and kidneys of snow geese during an avian cholera epizootic in California.

During an avian cholera epornitic, between December 1982 and January 1983, 58 dead, 23 sick, and 106 hunter-killed lesser snow geese (Chen caerulescens caerulescens) were collected at Delevan National Wildlife Refuge, Colusa County, California, USA. Fifty-one of the dead and sick geese were infected with Pasteurella multocida. Lead concentrations in the livers ranged from < 1 to 253 parts per million (ppm) (dry weight). Lead concentrations in the kidneys ranged from < 1 ppm to 547 ppm (dry weight). Snow geese with > 30 ppm lead, considered diagnostic of acute lead poisoning, had significantly (P < 0.05) lower heart weights and a smaller band of heart fat, compared to geese with tissue lead concentrations of < 30 ppm. Tissue lead concentrations in geese dying from avian cholera generally were lower than concentrations in hunter-killed geese, but the differences were not significant for either kidney (P = 0.08) or liver (P = 0.30) tissue.

Animals↗
PubMed1993

Ovarian abscesses and pyometra in a domestic rabbit.

Infection with Pasteurella multocida can induce pyoendometritis, pyosalpingitis, and ovarian abscesses in rabbits. The likelihood of rabbits developing clinical pasteurellosis is predisposed by factors such as buildup of ammonia fumes, ambient temperature changes and drafts, reproduction, older age, existence of carriers, and poor sanitation. Traditionally, prevention of pasteurellosis in rabbits has focused on identifying suspected carriers and culling those animals from the rabbitry.

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PubMed1980

Late postoperative infection caused by Pasteurella multocida.

Pasteurella multocida is often found in local infections after animal bites. Septic conditions however are rare. A case of late infection by P. multocida at the site of the osteosynthesis 1 year after a primarily healed pertrochanteric fracture is described. The patient had a cat. After extraction of the plate and screws and treatment with penicillin the infection healed uneventfully.

Animals↗
PubMed1990

Pasteurella multocida and Bordetella bronchiseptica infections in rabbits.

The natural history of infection with Pasteurella multocida and Bordetella bronchiseptica in domestic rabbits was studied prospectively at a commercial rabbitry. At weaning, about 25% of rabbits had nasal infections with P. multocida and 75% had infections with B. bronchiseptica. Infection of weanling rabbits paralleled nasal infections of their dams. The proportion of rabbits with both infections increased with age. At 2 to 4 months old, about 50% of rabbits with P. multocida or P. multocida and B. bronchiseptica infections had upper respiratory disease (URD), whereas rabbits with B. bronchiseptica infection had no disease. In rabbits about 10 months old, 75% with P. multocida or P. multocida and B. bronchiseptica infections had URD, whereas virtually none with B. bronchiseptica infection had disease. Disease of the nares, paranasal sinuses, middle ears, and lungs was associated with P. multocida and not B. bronchiseptica infection. In adult rabbits with nasal P. multocida infection, with or without signs of URD, about 80% had concurrent infection of the paranasal sinuses and middle ears and 20% had infection of the bronchi and lungs. In rabbits without nasal P. multocida infection, 20 to 35% had P. multocida infection of the paranasal sinuses and middle ears. Weanling rabbits with and without P. multocida infection had similar immunoglobulin G (IgG) levels. In rabbits observed prospectively, the only antibody differences between those transiently and persistently infected with P. multocida were a diminished IgA response in nasal lavages and an earlier IgM response in sera of transiently infected rabbits. IgG levels increased with the duration of infection. There was no relationship between immunoglobulin levels and freedom from P. multocida infection.

Animals↗
PubMed1989

A crude cytotoxin vaccine protects sheep against experimental Pasteurella haemolytica serotype A2 infection.

Three vaccines containing Pasteurella haemolytica serotype A2 antigens were tested for their ability to protect sheep against a homologous challenge. A crude cytotoxin preparation in combination with a sodium salicylate extract (SSE) or crude cytotoxin alone were highly protective (98 and 86%, respectively), whereas SSE alone was poorly (47%) protective. These findings indicated that the crude cytotoxin was an essential component of a protective vaccine. Protection correlated with serum cytotoxin-neutralising (CN) titres and bactericidal activity, which were stimulated by antigens in the crude cytotoxin preparation.

Animals↗
PubMed1975

Fowl cholera; cross-protective turkey antisera and IgG antibodies induced with Pasteurella multocida-infected tissue bacterins.

Turkey antisera induced with formolized Pasteurella multocida-infected tissues (T antisera) passively cross-immunized 48 of 55 chickens against a challenge dose of P. multocida organisms, from which 0 of 15 controls survived. However, turkey antisera induced with formalin-killed, agar-cultured P. multocida cells (A antisera) passively cross-immunized only 4 of 30 chickens. Cross-immunity refers to protection against a different immunologic type of P. multocida. Quantitative precipitin reactions of the A and T antisera with antigens from agar-cultured cells showed that more antibody was present in the A than in the T antisera. However, antigens extracted from the infected tissues reacted with the T and not with the A antisera in the Ouchterlony procedure, demonstrating qualitative differences between the agar-cultured antigens and those extracted from the infected tissue. The gel precipitins isolated from the A and T antisera were characterized as 7S immunoglobulins, which behaved in immunoelectrophoresis as would be expected for a IgG immunoglobulin. The IgG fraction from the T antiserum passively cross-immunized chickens almost as well as the whole antiserum; hence, the IgG antibody is a major factor in cross-immunity.

Animals↗
PubMed1990

Actinobacillus rossii sp. nov., Actinobacillus seminis sp. nov., nom. rev., Pasteurella bettii sp. nov., Pasteurella lymphangitidis sp. nov., Pasteurella mairi sp. nov., and Pasteurella trehalosi sp. nov.

Evidence from numerical taxonomic analysis and DNA-DNA hybridization supports the proposal of new species in the genera Actinobacillus and Pasteurella. The following new species are proposed: Actinobacillus rossii sp. nov., from the vaginas of postparturient sows; Actinobacillus seminis sp. nov., nom. rev., associated with epididymitis of sheep; Pasteurella bettii sp. nov., associated with human Bartholin gland abscess and finger infections; Pasteurella lymphangitidis sp. nov. (the BLG group), which causes bovine lymphangitis; Pasteurella mairi sp. nov., which causes abortion in sows; and Pasteurella trehalosi sp. nov., formerly biovar T of Pasteurella haemolytica, which causes septicemia in older lambs.

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