Flashcards in Internal Parasites Deck (14)
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1
Which is more important in parasite control: treatment or prevention?
Prevention
(Source: Horse Science (National 4-H Council), p. 59)
2
After putting your horse on a regular deworming program, when should they be wormed?
Fall after the first killing frost & in the spring before they go out to pasture OR daily, 4 times a year, every 2 months
(Accept any)
(Source: Horse Science (National 4-H Council), p. 56 / The Horse, Evans, p. 647)
3
If you see a rough coat on a horse you are looking at to buy, what could the problem be?
Worms
(Source: AYHC Horse Industry Handbook, 430-1)
4
What is wrong with an overgrazed pasture of short forage?
Can be a serious source of internal parasite infestation
(Source: AYHC Horse Industry Handbook, 430-5)
5
During the first 180 days of a foal's life, what are the two most important internal parasites to control?
Strongyles & Ascarids
(Source: Horses and Horsemanship, Ensminger, p. 348 & 355 / AYHC Horse Industry Handbook, 950-9)
6
Name 4 types of internal parasites.
Bot Flies, Ascarids (roundworms), Strongyles (bloodworms), Strongyloides (threadworms), Pinworms
(Source: Horse Science (National 4-H Council), p. 56-58)
7
What is the goal in management of internal parasites?
Break the life cycle of the parasite
(Source: Horse Science (National 4-H Council), p. 58 / AYHC Horse Industry Handbook, 430-6)
8
Why should horses be rotated to fresh pasture every 2 weeks if possible?
To reduce internal parasite infestations; to increase productivity of the pasture
(accept either)
(Source: The Horse, Evans, p. 819)
9
Why should you never feed on the ground?
It allows opportunities for horses to become re-infected with internal parasites OR Horses fed on the ground may develop sand colic
(Source: AYHC Horse Industry Handbook, 430-7 / The Horse, Evans, p. 606)
10
Why should you rotate or alternate deworming products?
They differ in chemical composition & parasites can develop resistance
(Source: Horse Science (National 4-H Council), p. 59)
11
Female roundworms may lay up to how many eggs per day?
200,000 eggs per day
(Source: Horse Science (National 4-H Council), p. 57 / AYHC Horse Industry Handbook, 430-1)
12
How are stomach worms transmitted to horses?
Common house and stable flies
(Source: Horses and Horsemanship, Ensminger, p. 354)
13
How many eggs can an ascarid lay per day?
Up to 200,000
(Source: Horse Science (National 4-H Council), p. 57)
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