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Results for “SWINE DISEASES”

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PubMed2001

[Case report: Yersinia enterocolitica septicemia in an American minipig].

A natural, lethal enteritis and septicaemia caused by Yersinia enterocolitica in an American Minipig piglet is reported. The isolated strain was identified as serotype O:3 and biotype 4. Pathomorphological examination of the animal revealed a severe fibrinonecrotic ileitis and typhlocolitis. Pyogranulomatous lesions were detected in regional lymph nodes and several organs.

Animals↗
PubMed1975

Salmonella and Erysipelothrix infection in swine: a laboratory summary.

The occurrence of salmonellas and Erysipelothrix rhusiopathiae in tissues of swine was determined by bacteriologic and fluorscent antibody examination of 5,297 specimens from herds investigated for hog cholera. Of the specimens examined, 35.5% were positive for salmonellas, 21.1% were positive for E rhusiopathiae, and 8.3% were positive for both salmonellas and E rhusiopathiae.

Animals↗
PubMed2000

[A serological investigation of Legionella infection in eight-species of poultry and domestic animals in Sichuan province].

OBJECTIVE: To understand the prevalence rates of Legionella infection in poultries and domestic animals in Sichuan province. METHODS: Serological investigation of antibodies against Legionella pneumophila serogroups 1 - 14 and Legionella micdadei was carried out, using microagglutination test (MAT) in eight species of poultries and domestic animals. RESULTS: Infections with multiple serogroups were identified. However, each species had its own major serogroup with positive rates of different serogroups ranging from 0.83% to 59.18%. Positive rates of the poultry and domestic animals were accounted for 7.73% and 4.25% respectively. CONCLUSION: It was suggested that poultries and domestic animals were widely infected with Legionella. It is important to carry out epidemiological surveillance in these domestic animals, poultries and environment for a better control program of this disease.

Animals↗
PubMed2001

Studies on abnormality of metacestodes and adult worms of Taenia solium and Taenia saginata asiatica in rodents and pigs.

Abnormalities are not uncommon in Taenia saginata and T. solium. After examining 328 mature proglottids from 2 adult worms from two experimentally infected hamsters, 13 (4.0%) were found to have no genital pore but with numerous testes and several vas efferents; 1 (0.3%) one genital pore with one reproductive system; 12 (3.7%) one on each side with two sets of reproductive system; 17 (5.2%) two on one side with 2 sets of reproductive system; 8 (2.4%) one on one side and two on the other side with 3 sets of reproductive system; 2 (0.6%) two on each side with 4 sets of reproductive system; 4 (1.2%) three on one side with 3 sets of reproductive system, and 4 one on one side and three on the other side with 4 sets of reproductive system. Nine evaginated abnormal cysticerci of T. s. asiatica from three experimentally infected SCID mice each had two protoscoleces and a big bladder. From two experimentally infected pigs, one abnormal cysticercus was observed to have two invaginated canals each in one end. Another one had a neck-band behind the scolex and a big bladder. This paper is not only the first report of abnormality of T. solium from hamster but also the first one of abnormal cysticerci of T. s. asiatica from pigs and mice.

Animals↗
PubMed1979

Sarcocystis transmitted by blood transfusion.

Merozoites were found in blood smears from calves, lambs, and pigs exhibiting signs of acute sarcocystosis after oral infection with sporocysts of Sarcocystis bovicanis, Sarcocystis ovicanis, and Sarcocystis suihominis. In each of 3 experiments, whole blood containing merozoites was transfused from an infected host to 2 uninfected recipients of the same species; 2 additional animals of the same species served as uninfected nontransfused controls. The bovine, ovine, and porcine donors all died of acute sarcocystosis. Clinical signs of sarcocystosis were not seen in any transfusion recipients or controls. All recipients and controls were killed and histologic specimens of esophagus, diaphragm, heart, skeletal muscle, and tongue were examined microscopically. Large numbers of intramuscular cysts were present in transfusion recipients, whereas few or no cysts were present in controls, indicating that S. bovicanis, S. ovicanis, and S. suihominis had been transmitted between intermediate hosts of the same species by blood transfusion.

Animals↗