ETN CPD - Worming Answers March 2019
1. In the UK, what are the most common worms that are infesting our horses?
C) Small Redworms
2. Research has shown that 80% of the worm burden is carried by XX% of horses?
3. Resistance is confirmed when an anthelmintic has lost the ability to kill XX% of the target worm population?
4. True or false, it is recommended that during spring and summer months, the horse owner should use a wormer containing ivermectin or pyrantel to treat the horses they have identified with the higher worm burdens.
5. Which of the following is NOT recommended to do to collect a dung sample for a Faecal Worm Egg Count?
A) Collect a fresh sample, ideally a day after the dung has been produced.
B) Post only on Monday to Thursday to avoid delays.
C) Horses must not have been wormed 14 days prior to testing.
6. During the summer grazing season, how often should a horse owner collect a dung sample for a Faecal Worm Egg Count?
A) Every fortnight
B) Every month
C) Every 2-3 months
7. Which of the following is used to kill encysted small redworm larvae?
8. True or false, it is recommended that by treating all horses with low or insignificant worm burdens, you will have a further population of worms “in refugia” to dilute any resistant worms that have survived the treatment in the wormed horses?
9. Which of the following methods is recommended for good pasture management?
A) 1-1.5 acres is recommended as a minimum per horse.
B) Rest pasture for up to one month
C) Remove all droppings from the pasture every fortnight
10. The majority of small redworms will be egg laying adults during:
A) The winter and spring months
B) The spring and summer months
C) The summer and autumn months
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