International journal for parasitology · 1997
The effect of fasting on Ascaris suum and Oesophagostomum spp. in growing pigs.
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Petkevicius S, Nansen P, Stephenson L
Аннотация
Experiments were conducted to study the possible influence of fasting on Ascaris suum and Oesophagostomum spp. In growing pigs. Forty young crossbred pigs naturally infected with A. suum and Oesophagostomum spp. were used. In one experiment 10 pigs were fasted and offered water ad libitum for 6 days, in another experiment for 10 days. Subsequently, these pigs, together with 10 non-fasted control pigs per experiment were slaughtered, and worm numbers, worm location, sex, developmental stage and female worm fecundity were determined. Pigs fasted for 10 but not for 6 days had decreased numbers of A. suum and Oesophagostomum spp. at slaughter vs controls, and worms were found in more distal locations in the gastrointestinal tract. Fasting for both 6 and 10 days significantly lowered the fecundity of both worm species.