LA2: Ruminant Parasites Part 2

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The hornfly is a arthropod called:HI

Haematobia irritans
What symptoms does the horn fly cause?BM
- bacterial infx
- mastitis
When the temperature is < 70F the flies land on horns and use their _ proboscis to suck blood.

bayonet like
The horn fly has caused what?

the greatest economic loss of all biting insects
The nasal bot fly is a arthropod of sheep called:OO

Oestrus ovis
What symptoms are involved with nasal bot flies?RS
- resp myiasis
- sinusitis
The cattle grub is called: HL

Hypoderma lineatum
In cattle grubs the nits are layed on the fur where they migrate to the _ and form _.
- back
- warbles
Foot and tail mite is aka the

itchy leg mite
What species is the foot and tail mite?

chorioptes
What does the foot and tail might do to the skin?

wrinkles and thickens it leaving a mange like appearance
The most common mite in cattle is

the foot and tail mite
The foot and tail mite is found on the skin surface of cattle, sheep, goats, and horses. What specific sites?LFST
- lower parts of hind legs
- flanks
- shoulders
- tails
Demodex causes what in cows?NA

nodules abcesses
Demodex in goats (D. caprae) causes what?

smaller nodules
Demodex in sheep (D. ovis0 is rare but causes crusting around:FNE

feet nose ears