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G/S > Parasites > Flashcards

Parasites Flashcards

1
Q

what parasites are the primary disease affecting sheep and lambs in production?

A

gastro-intestinal

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2
Q

Are goats or sheep more susceptile to internal parasites

A

sheep

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3
Q

what is IPM

A

integrated parasite management. Controls internal parasites in pasture animals by using combo of chemical and non-chemical means

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4
Q

what are safe and clean pastures?

A

non-contaminated with worm larvae

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5
Q

what are examples of clean pastures?

A

not grazed by sheep/goats for 6-12 months
been grazed by cattle/horses
fields that have had hay cut or rotation with field crops
recently established or renovated pastures

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6
Q

what percent of worms are found in the first 2 inches of grass?

A

80%

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7
Q

Sheep/goats can graze with cattle/horses

A

true

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8
Q

what can help reduce the hatch rate of eggs and decrease larval development?

A

tannis

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9
Q

What are types of tannis and what do they help reduce?

A

Sericea Lespedeza: reduce barber pole worm and coccidia
Birdsfoot Trefoil: reduce strongyle worms
Chicory: reduce fecal egg counts in lambs

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10
Q

animals with higher nutrition mount have a better immune response

A

true

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11
Q

animals on low protein diets produce less of what?

A

IGA

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12
Q

what can help give info on how contaminated pastures are?

A

fecal egg counts

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13
Q

what is FAMACHA?

A

utilizes an eye anemia guide

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14
Q

what is the 5 point check?

A

eye: anemia
back: condition
tail: soiling
jaw: swelling
nose: discharge

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15
Q

Haemonchus controtus

A

barber pole worm
stomach worm
prefers moist, warm climates
blood sucking that attaches to abdomine
causes plasma protein loss in sheep
difficult to control
5k-10k eggs per day are laid

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16
Q

Trichostrongylus spp and ostertagia spp

A

stomach worms of 2nd importance
found in sub-tropic areas (handle colder environment better)
Trichostrongylus spp more common in midwest

17
Q

Moniezia spp

A

tapeworm
non-pathogenic (large numbers cause GI issues)
clinical signs: diarrhea and worms in feces

18
Q

Dictyocaulus filarial and muellerius capillaris

A

Lungworms
prefer cool damp weather
affect trachea and bronchi
clinical signs: coughing, nasal discharge, tachypnea, poor performance, and fever
secondary bacterial infections can cause death

19
Q

Fasciola hepatica

A

liver fluke
can cause sever liver damage in sheep
snails are intermediate host
non common in midwest
albendazole to treat

20
Q

Paralaphostrongylus tenius

A

Meningeal worm or Brain worm
found in white tailed deer
sheep/goats are dead end hosts
difficult to diagnose
anthelmintics (avermectins), steroids, and supportive care to treat

21
Q

Eimeria Spp

A

coccidia
single celled protozoan affecting small intestine
host specific
young sheep more commonly affected
clinical signs: diarrhea, dehydration, wt loss, decreased appetite, fever, anemia, and death
Amprolium (corid) to treat
lasalocid and decoquinate to prevent

22
Q

what are the common external parasites in goats/sheep?

A

biting and sucking lice, mites, nose/nasal bots, and keds

23
Q

when are lice worse?

A

winter

24
Q

biting lice

A

mallophaga spp
feeds on hair and skin

25
Q

sucking louse

A

anoplura spp
feeds on blood and bodily fluids
cause anemia

26
Q

how do you treat lice?

A

seperate for at least 2 weeks
biting lice: topical insetasides every 2weks for 2 treatments
sucking lice: 2 treatments of ivomec 2 weeks apart

27
Q

what are the most common mites in G/S

A

ear mites, follicle mites, and scabies mites

28
Q

what do follicle mites cause?

A

demodectic mange

29
Q

what do scabies mites cause?

A

sarcoptic mange

30
Q

how can you treat mites?

A

ivermectin

31
Q

sheep tick

A

keds

32
Q

keds:

A

suck blood
spread by direct contact
treated with topical insecticides, ivermectin or moxidectin

33
Q

what are symptoms of nose bots?

A

nasal discharge, head shaking, teeth grinding, and snorting iwth head to ground

34
Q

how can you treat nose bots?

A

ivermectin after frost

G/S (4 decks)

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