Psoroptes ovis in camelids

A low prevalence of llama and alpaca holdings in Norway is infected with Psoroptes ovis. The prevalence of infected individuals on each infected holding is also low.

The objective of the surveillance and control programme for Psoroptes ovis is to identify P. ovis positive llama and alpaca holdings with the intension to prevent the spread of Psoroptes mange to the sheep population.


Skin samples from 622 individual camelids from 152 holdings were examined in the active surveillance programme for Psoroptes ovis in 2017. P. ovis was detected in two alpacas. In the passive surveillance programme, 14 necropsied camelids were examined and P. ovis detected in samples from two llamas.

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