What type of study is this?

This is a Quantitative PCR study.

September 10, 2025Microbiology SpectrumOpen Access

Quantification of major bacterial pathogens in liver abscesses and matched ruminal and colonic epithelial tissues of feedlot cattle

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This study assesses bacterial pathogens in liver abscesses of cattle using quantitative PCR, highlighting their prevalence and concentrations.

Fusobacterium necrophorum was the dominant pathogen in liver abscesses, with a mean concentration of 7.0 log 10 CFU/g.
Quantitative PCR detected Trueperella pyogenes in 29.2% of samples, which was higher than the culture method that showed 16.7%.
Salmonella enterica was prevalent in liver abscesses but was not quantifiable, suggesting limited contribution to the condition.
The study used a 4-plex quantitative PCR assay across 384 liver abscesses and matched ruminal and colonic tissues to analyze pathogen prevalence.

Abbasi et al. (2025) studied this question.

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This study assesses bacterial pathogens in liver abscesses of cattle using quantitative PCR, highlighting their prevalence and concentrations.