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Population dynamics of Trichostrongylus colubriformis in sheep: The effect of infection rate on loss of adult parasites
Journal article   Peer reviewed

Population dynamics of Trichostrongylus colubriformis in sheep: The effect of infection rate on loss of adult parasites

R.J. Dobson, P.J. Waller and A.D. Donald
International Journal for Parasitology, Vol.20(3), pp.359-363
1990
DOI: https://doi.org/10.1016/0020-7519(90)90152-D
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Abstract

Rejection of adult T. colubriformis was examined in lambs given 2000, 1124, 632 or 200 L3 day-1, 5 days per week for up to 20 weeks. Rejection of adults began at approximately the same time for the first three infection rates, and took about 9 weeks to complete. Approximately 20% of adults were rejected by week 10 of infection at the higher infection rates and it was estimated that rejection commenced at about week 7. This coincided with a decline in establishment of larvae to about 1%. For the low infection rate, there was a delay of about 5 weeks before adult worm rejection commenced and reached equivalent levels to those observed at the higher rates. This delay also coincided with an estimated 5-week delay in larval establishment declining to 1% at the low rate.

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Source: InCites

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36 Times Cited - Web of Science

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Citation topics
1 Clinical & Life Sciences
1.163 Parasitology - General
1.163.1022 Anthelmintic Resistance
Web Of Science research areas
Parasitology
ESI research areas
Microbiology
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