But the most valued is that of agistment or pasturage, especially of ponies.
"The Customs of Old England" by F. J. Snell
The tithe of agistment got rid of by the Irish gentry, and the chief burden of the tithe thereby thrown on the farmers and peasantry.
"Thomas Davis, Selections from his Prose and Poetry" by Thomas Davis
But then the tithe of pasture agistment, as it was called, could no longer have been evaded.
"Irish History and the Irish Question" by Goldwin Smith