Tiamutin can also penetrate into the eggs in the laying hen at levels in excess of most strains of M. gallisepticum MIC for up to 9 days following medication for 3 days at 0.0125% or 0.025% in drinking water or at 200 and 400 ppm in feed. It appears to be dose related. This is particularly important for breeder layers in mycoplasma control programmes, as well as treating the bird, Tiamutin will also protect the egg.
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