Dictyocaulus Amfieldi Flashcards Preview

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Flashcards in Dictyocaulus Amfieldi Deck (13):
1

order

strongylida

2

common name

lungworm

3

hosts

donkeys and horses
horses do not reach sexual maturity

4

identification

large white nematodes in lungs

5

size of adult

8cm

6

is life cycle direct or indirect?

direct

7

life cycle

adults in bronchi lay eggs with L1
eggs hatch in lungs or feces and develop into L3
L3 migrate and are ingested during grazing
L3 migrate to lungs

8

PPP

2-4 months

9

site of infection

bronchi of lungs

10

pathogenesis

highly pathogenic in horses

11

clinical signs

no clinical signs
horses may have cough

12

diagnosis

L1 in eggs in fresh feces, lung washings, necropsy

13

treatment

horse and donkeys should not be pastured together