milkshed

From milk +‎ shed, by analogy with watershed.

milkshed (plural milksheds)

1. (agriculture, economics) A region producing milk that may be supplied to the area of demand with practical (competitively advantageous) speed and cost of transport.

   Counties adjoining a large city tended to supply most of its milk before highway and trucking improvements broadened the milkshed.

From milk +‎ shed, as analogous with woodshed or toolshed.

milkshed (plural milksheds)

1. A shed in which animals are milked. (Contrast milkhouse, a building or portion thereof where milk is cooled and stored pending transport.)

   Coordinate terms: cowshed, milking parlor, milking parlour