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Long-term protection against bovine leukaemia virus replication in cattle and sheep.

injected with plasmid DNA encoding the BLV envelope proteins; the challenge virus infection was delayed but could not be completely abrogated. Our results demonstrate that vaccines based on live attenuated ...

Diagnosis of foot-and-mouth disease by RT-PCR: evaluation of primers for serotypic characterisation of viral RNA in clinical samples.

protocols on epithelial suspensions and supernatant fluids, resulting from their passage in cell culture, derived from clinical samples of diverse molecular characteristics. Each of the serotype-specific ...

Development of immunocompetence of broiler chickens.

of age. These findings indicate that vaccination at 1 day of age does not activate the B-cell response resulting in antibody production and support the idea that the immune function of the late ...

Effects of inhalation of dust and endotoxin on respiratory tracts of pigs.

Escherichia coli (serotype O127: B8) with feed flour before spraying the flour in the environmental chamber. RESULTS: Exposure did not affect cell composition of NL fluid or blood. Total cell counts of BAL ...

Prevalence of herds with young sows seropositive to pseudorabies (Aujeszky's disease) in northern Belgium.

detect recently infected animals, only young sows were sampled. The results show that 44% of these herds had an important number of PRV-seropositive young sows. The highest herd seroprevalence was observed ...

PCNA and Ki67 proliferation markers as criteria for prediction of clinical behaviour of melanocytic tumours in cats and dogs.

The results suggest that Ki67 is a potentially important prognostic factor in melanomas of the cat and dog. Other criteria, including tumour size, predominant cell type and intensity of PCNA expression, ...

Bovine leukemia virus-induced persistent lymphocytosis in cattle does not correlate with increased ex vivo survival of B lymphocytes.

that in sheep, BLV protects the total population of peripheral blood mononuclear cells (PBMC s) from ex vivo spontaneous apoptosis. This global decrease in the apoptosis rates resulted from both direct ...

Highly sensitive detection of swine vesicular disease virus based on a single tube RT-PCR system and DIG-ELISA detection.

optimisation of the PCR conditions and optimisation of the microwell hybridisation and colourimetric detection of the amplicons resulted in a method that could detect viral RNA in infected tissue culture fluid ...

Identification of encephalomyocarditis virus in clinical samples by reverse transcription-PCR followed by genetic typing using sequence analysis.

results obtained in this study were 94 and 100%, respectively. Phylogenetic analysis of the amplified sequences classified EMCV s in two distinct lineages. Group A consists of the reference strain ATCC ...

High-level expression of Chlamydia psittaci major outer membrane protein in COS cells and in skeletal muscles of turkeys.

the cytoplasm of transfected COS7 cells as well as in the plasma membrane and was immunoaccessible. Intramuscular administration of pcDNA1/ MOMP in specific-pathogen-free turkeys resulted in local ...

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