Which preposition to use with fattenings

OF Occurrences 8%

THE FATTENING OF CALVES.The fattening of calves for the market is an important business in Lanarkshire or Clydesdale, and numbers of newly-dropped calves are regularly carried there from the farmers of the adjacent districts, in order to be prepared for the butcher.

for Occurrences 1%

The cattle that are in the sheds fattening for Christmas have cake as well, and this must be supplied in just proportion.

in Occurrences 1%

There was no fattening in it of pastry, truffles, and bonbons; upon it none of the tracery left by nightly champagne tides and ripples; and consequently her figure, under her plain dress, had not that for display which the world has conventioned to call charms.

on Occurrences 1%

There were things more abject still; from one end of Europe to the other, there were vermin fattening on death, war-profiteers, robbers of corpses.

Which preposition to use with  fattenings