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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.
This page was last updated on 24/07/2017
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