  The Gerasimov-Drell-Hearn sum rule is evaluated for the deuteron by explicit
integration up to a photon energy of 550 MeV including contributions from the
photodisintegration channel and from coherent and incoherent single pion
production as well. The photodisintegration channel converges fast enough in
this energy range and gives a large negative contribution, essentially from the
$^1S_0$ resonant state near threshold. Its absolute value is about the same
size than the sum of proton and neutron GDH values. It is only partially
cancelled by the single pion production contribution. But the incoherent
channel has not reached convergence at 550 MeV.
