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Abstract
In the period from January 1992 to January 1993,351 samples of peanut sweet and 157 samples of milk sweet were analysed to study the mite contamination. This samples were microscopically analyzed once a week in 28 days at environment temperature, and in the same way other portion kept in an oven with 25°C and 75% U.R.A.. 18,2% of peanut swett and 13,5% of milk sweet was contamined with the species: Tyrophagus putrescentiae (S.), Blattisocius tarsalis (B.), Blomia tropicalis (B.C.O.) and Suidasia pontifica (O.). The mites were found in larger numbers in the 21° and 28° days of analyses indicating the presence of eggs, which hatched when in good conditions for mite development. The mite population presented large numbers of positive samples in the winter and in the summer, deducting that the samples were stored for a long period, and the eggs remaining of the others seasons, hatch and development in the winter.
References
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