Which preposition to use with cockering

in Occurrences 1%

There is not a better cocker in England.

than Occurrences 1%

It is probable too that the type in favour to-day, of a short coupled, rather "cobby" dog, fairly high on the leg, is more like that of these old-fashioned Cockers than that which obtained a decade or two ago, when they were scarcely recognised as a separate breed, and the Spaniel classes were usually divided into "Field Spaniels over 25 lb."

Which preposition to use with  cockering