  We present predictions for b-quark production in photoprodcution and compare
with experimental data from HERA. Our theoretical predictions are obtained at
next-to-leading-order in the general-mass variable-flavor-number scheme, an
approach which takes into account the finite mass of the b quarks. We use
realistic evolved nonperturbative fragmentation functions obtained from fits to
e+e- data. We find in general good agreement of data with both the GM-VFNS and
the FFNS calculations, while the more precise ZEUS data seem to prefer the
GM-VFNS predictions.
