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Intracellular bacteria of porcine proliferative enteropathy: cultivation and maintenance in vitro
TLDR
An obligate intracellular bacterium was isolated from the intestines of all 10 cases of porcine proliferative enteropathy from four different pig farms and appeared to be free of other microorganisms, including chlamydiae and viruses.
Characterization of Lawsonia intracellularis gen. nov., sp. nov., the obligately intracellular bacterium of porcine proliferative enteropathy.
TLDR
On the basis of the results of an integrated study of the phenotype and genotype of a consistent morphological entity found in particular porcine cells and associated with a well-defined clinical condition, it is concluded that these bacteria belong to a previously undescribed genus and species, for which the name Lawsonia intracellularis gen. nov.
Reproduction of porcine proliferative enteropathy with pure cultures of ileal symbiont intracellularis
TLDR
The results support the identification of IS intracellularis as an etiological agent of proliferative enteropathy in pigs, confirming the weak immune response characteristic of the natural disease.
Tissue damage in cattle infected with Theileria annulata accompanied by metastasis of cytokine-producing, schizont-infected mononuclear phagocytes.
TLDR
Findings provide new evidence that tropical theileriosis can no longer be viewed as a lymphoproliferative disease resulting from the uncontrolled multiplication and metastasis of lymphoid cells infected with T. annulata schizonts, but is caused by a parasite that lives in, and is disseminated by, cytokine-secreting, proliferating mononuclear phagocytes.
Porcine proliferative enteropathy
Evaluation of antemortem polymerase chain reaction and serologic methods for detection of Lawsonia intracellularis-exposed pigs.
TLDR
The IFAT for L intracellularis IgG antibody detection appeared to be a more sensitive antemortem test for detecting pigs experimentally infected with L intrACEllularis than was a PCR method for direct detection of the organism in the feces.
BEAK AND FEATHER DYSTROPHY IN WILD SULPHUR-CRESTED COCKATOOS (CACATUA GALERITA)
TLDR
Three flocks of wild sulphur-crested cockatoos in southeastern Australia had a 10– 20% prevalence of feather and beak deformities, and it was concluded that a viral infection may have caused feather andBeak dystrophy in these birds.
Identification of Canine Coronavirus Strains from Feces by S Gene Nested PCR and Molecular Characterization of a New Australian Isolate
TLDR
A nested PCR (nPCR) assay for the detection of canine coronavirus (CCV) in fecal samples is described, providing a method of identifying new strains of CCV without the complicated and time-consuming practice of raising antibodies to individual strains.
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