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Out of 437 pigs coming from a pig farm trichinellosis was revealed by the digestion method (weight of samples =100 g, phrenic muscles) in 151 pigs (34.6 per cent). The rate of invasion below 1 larva in 1 g of muscles was found in 83 per cent of pigs, i.e. 19.0 per cent of animals under study; 2—3 larvae per 1 g — in 14 animals (3.2 per cent) and over 3 larvae per 1 g in 54 pigs, i.e. in 12.4 per cent...
Two thousand and five hundred pigs coming from one fattening pig farm were examined for the presence of Trichinella spiralis. Infestation was stated in 28 animals. The application of a digestive method allowed to find T. spiralis larvae in other 64 pigs. A total 92 pigs (3.68 per cent) proved to be infected. Of 21 rats originated from the same farm 13 animals were infested with T. spiralis (61.9 per...
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