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- Title
Frozen hydatid cysts can replace incineration and sterilize cysts.
- Authors
Mokhtaria, Kouidri; Ammar, Selles Sidi Mohammed
- Abstract
In many countries of Mediterranean area, abattoirs are not equipped with incinerators. This led us to find an alternative that may be the freezing of organs before they are thrown into landfills. In this sense, the aim of this study was to evaluate the scolicidal effect of refrigeration at 4°C and freezing at -18°C. Different refrigeration times (24 and 48 h) and freezing times (3, 6, and 9 h) have been used in triplicate. Refrigeration at 4°C was not sufficient to completely kill protoscolex. For 24 h, the mortality rate did not exceed 44.44%. After 48 h, mortality rates varied from 20.13% to 65.49%. The freezing at -18 °C for 3 h remained insufficient to kill all protoscoleces although the mortality rate increased to 87.28%. However, freezing at -18 °C for 6 and 9 h has been found to be very effective in killing all protoscoleces present in the hydatid liquids. The present study demonstrates that freezing organs seized for hydatidosis at -18°C for at least 6 h may be an alternative to incineration and will sterilize hydatid cysts before they are dumped.
- Subjects
ECHINOCOCCOSIS; FREEZING; INCINERATION; INCINERATORS
- Publication
Open Veterinary Journal, 2019, Vol 9, Issue 1, p1
- ISSN
2226-4485
- Publication type
Article
- DOI
10.4314/ovj.v9i1.1