Dictyocaulus Viviparus Flashcards Preview

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Flashcards in Dictyocaulus Viviparus Deck (17):
1

common name

lung worm

2

common name of disease

husk, hoose, verminous pneumonia

3

hosts

cattle

4

identification

slender white nematodes

5

size adult

3-10cm

6

life cycles

female lay eggs
hatch to L1
coughed up and passed in feces
develop L3
cattle swallow L3
L3 enter the lung and mature to adults

7

PPP

24 days

8

site of infection

trachea and bronchi

9

pathogenesis of penetration phase

days 1-7
larval migration
no clinical signs

10

infective stage

L3

11

diagnsosis

identification of L1
necropsy

12

L3 may also be dispersed by ____

fungi

13

pathogensis prepatent phrase

days 8-24
larvae develop to adults in lungs
alveolitis and bronchitis

14

pathogensis patent phase

days 25-60
adults in lungs
bronchitis and pneumonia

15

pathogensis postpatent phase

days 61-90
recovery starts- if animal is alive

16

clinical signs

coughing
postpatent parastitic bronchitis

17

treatment

Anthelmintics
management