By immunoelectrophoresis and ELISA this antibody reacts specifically with sheep IgG. Cross reactivity with IgA and IgM is negligible. No antibody was detected against non-immunoglobulin serum proteins. This antibody may cross react with IgG from other species.
Subharat S et al. Vaccination of Sheep with a Methanogen Protein Provides Insight into Levels of Antibody in Saliva Needed to Target Ruminal Methanogens. PLoS One11:e0159861 (2016).
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