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 294 individual camelids from 75 holdings were examined in the active surveillance programme for Psoroptes ovis in 2019. P. ovis was detected in one alpaca from one herd. In the passive surveillance programme, 10 necropsied camelids were examined. P. ovis was not detected in any of these samples. 

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