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Table 5 Effect of deltamethrin and flumethrin as main treatment in eradication of lice in 33 dairy herds.

From: Eradication of Lice in Cattle

Medicament

No. herds

3–6 months after the eradications

 

15–18 months after the eradications

 
  

Free

Lice present

Free

Lice present

Deltamethrin

17

14

3

9

3+5

Flumethrin

16

14

2

10

2+4