worm resistance

worm resistance

a significant increase in the ability of worms to tolerate doses of individual drugs which have previously been lethal to the worms.
References in periodicals archive ?
In the SCOPS area a series of demonstrations will describe proactive flock health management, including worm resistance.
Cry5B holds potential for use where worm resistance is becoming a problem, especially among ruminant livestock.
On Monday evening, we gathered together many of our sheep farmers to an evening meeting at Mustard and Punch in Honley where we were all treated to some supper and a really interesting talk on worming and worm resistance.
Get to grips with proactive flock health management including worm resistance in the SCOPS area in a series of demonstrations running throughout the day.
According to the division's Dr Sandra Eady, worm resistance can be built up relatively quickly in a breeding program because the variation in sheep for this characteristic is much higher than for most production traits.
The type of product is already in use in New Zealand where there are severe worm resistance problems.
The Chantlers have now set their sights on promoting parasite resistance, selecting rams with genetically high worm resistance.
The subject of worm resistance in the UK flock will be taken up by Simon Hunt from Novartis Animal Health UK, who will also look at the implications of bovine viral diarrhoea virus in the cattle herd.
Representatives from the Charollais, Suffolk and Texel breed societies say that Masacs - Marker Assisted Selection Applied to Commercial Sheep - a project that has been under way since June 2004, has already identified DNA markers for muscle depth and worm resistance and ways to use these to strengthen performance recording.
As a 'zero resistance' wormer, proper use will enable us to reduce the impact of worm resistance which has become such a problem over the last few years.