zero-grazinghttp://www.oed.com/dictionary/zero-grazing_n%3Ftab%3Dmeaning_and_usezero grazing, n.
Revised 2018

zero grazingnoun

Agriculture.
  1. 1954–
    The practice of feeding cattle with cut grass brought to them instead of putting them out to pasture; cf. soiling n.4 1.
    1. 1954
      Zero grazing—for larger herds with suitable harvesting equipment, feeding..by bringing feed in on a feed rack.
      Fitchburg (Massachusetts) Sentinel 25 May 11/3
    2. 1984
      There are other herds that never go out into pasture... They have their grass cut and carted to them, a method called ‘zero-grazing’.
      ‘D. Archer’, Ambridge Years 19
    3. 2011
      He specialised in beef and dairy husbandry and was responsible for the introduction of..zero grazing and bulk milk collection.
      Aberdeen Press & Journal (Nexis) 29 January 30

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

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