zero-grazehttp://www.oed.com/dictionary/zero-graze_v%3Ftab%3Dmeaning_and_usezero-graze, v.
Revised 2018

zero-grazeverb

Agriculture.
  1. 1954–
    transitive to feed (cattle) with cut grass brought to them instead of putting them out to pasture; cf. soil v.4 1.
    1. 1954
      180 milkers are being zero-grazed on only 40 acres this season.
      Berkshire Evening Eagle (Pittsfield, Massachusetts) 1 September 32/4
    2. 1970
      Cows were zero-grazed and never stepped off concrete.
      R. Jeffries, Dead Man's Bluff vi. 56
    3. 2008
      The method of zero-grazing cattle..would condemn cattle to the very confined indoor existence that is being condemned when applied to poultry.
      Western Daily Press (Nexis) 18 January 14

Originally published as part of the entry for zero, n. & adj.

zero, n. & adj. was revised in June 2018.