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Table 2 Nematode genera identified in composite pre- and post-treatment faecal cultures on four farms

From: Ivermectin treatment failure on four Irish dairy farms

 

Farm

 

1

2

3

4

Day

Nematode genus and no. of L3 larvae per faecal culture

0

Cooperia

29

26

37

36

 

Ostertagia

71

73

63

62

 

Trichostrongylus

0

1

0

2

 

Bunostomum

0

0

0

0

14

Cooperia

31

30

47

25

 

Ostertagia

0

8

0

0

 

Trichostrongylus

0

0

0

0

 

Bunostomum

0

1

0

0