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Effect of extreme temperature on egg development larval and adult survival of Chordodes nobilii Camerano, 1901 [Gordiida, Nematomorpha]

100%

Achiorno C. L., Ferrari L., De Villalobos C.

Acta Parasitologica

2008

tom 53

nr 4

On the basis of experimental studies we analyzed the effect of extreme temperatures on the aquatic free-living phases of the life cycle of Chordodes nobilii (Gordiida, Nematomorpha). Bioassays were performed with eggs, larvae, and adults. Eggs and larvae were exposed to 3°C below zero and 40.5°C; adults were exposed to 3°C below zero and to 38.5°C and 40.5°C. The results showed that egg development was inhibited in both tests. Exposed larvae showed a decrease in their infective capacity, which resulted almost null at 40.5°C. Adults exposed to 38.5°C showed mortality ≤10%, at 40.5°C the mortality was 100% and the adult’s mortality at 3°C below zero was 89%. Results indicate that free living stages of Chordodes nobilii are susceptible to extreme temperatures.

Ograniczanie wyników

1 Acta Parasitologica

1 Achiorno C. L.

1 De Villalobos C.

1 Ferrari L.

1 2008

Wyniki wyszukiwania

Effect of extreme temperature on egg development larval and adult survival of Chordodes nobilii Camerano, 1901 [Gordiida, Nematomorpha]