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CARLA saliva test in different Australian climatic zones

​Breeding sheep for enhanced immunity to gastrointestinal is one potential means of controlling parasites as the rate of anthelmintic failure increases. The CARLA® Saliva test measures a protective antibody response to nematode L3s and can be used to breed sheep that are more resistant to parasite infection.   

CarLA specific IgA antibody levels in saliva were measured on a regular basis in 8 Information Nucleus Flocks located across Australia. The aim of the CARLA® testing was to determine for a range of different localities, when good CARLA® responses and thus adequate exposure to larval challenge occurred.

This study showed that good CARLA® responses can be measured in flocks at a variety of different locations.  The CARLA® saliva test would be an option for selecting parasite resistant sheep under Australian conditions.    


Title Size Date published
1.0MB 01/09/2013

This page was last updated on 24/07/2017

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