PCR Tests Yield Surprising Results in Eimeria Study

US - Polymerase chain reaction analysis, commonly known as PCR, is helping researchers get a better handle on the presence and scope of coccidial pathogens — and the results are surprising, according to a study conducted by the University of Georgia and Southern Poultry Research.
calendar icon 19 November 2015
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Of 29 samples, the researchers found E. acervulina in 96 per cent, E. maxima in 93 per cent, E. tenella in 89 per cent, E. brunetti in 86 per cent, E. praecox in 86 per cent, E. mitis in 48 per cent and E. necatrix in 24 per cent, the researchers reported at the 2015 International Poultry Scientific Forum.

E. acervulina, E. maxima and E. tenella had been thought to be the “big three” Eimeria species in US broiler houses. However, PCR is demonstrating that other species may be present, researchers A. Lorainne Fuller, PhD, and graduate student Emily Kimminau, told Poultry Health Today.

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