  In this contribution, the measurement of prompt ${\Lambda_{\rm c}^+\rm /D^0}$
ratio as a function of multiplicity in p--Pb collisions at mid-rapidity at $
\sqrt{s_{\text{NN}}} = 5.02 \;\text{TeV}$ is discussed. By performing this
measurement as a function of multiplicity in pp and p--Pb collisions, we can
evaluate the $p_{\rm T}$-differential baryon to meson enhancement and compare
them to results in $ \rm e^-e^+$ and $ \rm e^-p$ collisions, where lower
${\Lambda_{\rm c}^+\rm /D^0}$ ratios at low and intermediate $p_{\rm T}$ have
been observed, with the origin of this different behavior being still debated.
In these measurements, we aim to compare the p--Pb results to pp collisions to
investigate the possible effects of cold nuclear matter on charm-baryon
production, and to Pb--Pb collisions for investigating the impact of
quark--gluon plasma on charm quark hadronization.
