The relation between the halo field and the matter fluctuations (halo bias),in the presence of massive neutrinos depends on the total neutrino mass,massive neutrinos introduce an additional scale-dependence of the bias which isusually neglected in cosmological analyses. We investigate the magnitude of thesystematic effect on interesting cosmological parameters induced by neglectingthis scale dependence, finding that while it is not a problem for currentsurveys, it is non-negligible for future, denser or deeper ones depending onthe neutrino mass, the maximum scale used for the analyses and the details ofthe nuisance parameters considered. However there is a simple recipe to accountfor the bulk of the effect as to make it fully negligible, which we illustrateand advocate should be included in analysis of forthcoming large-scalestructure surveys.
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