mousery

Noun

 * 1)  A place where mice are kept and bred.
 * 2) * 1965, George Washington Corner, A History of the Rockefeller Institute, Rockefeller Univ. Press, p. 228 (Google preview):
 * There was indeed a mousery of vast proportions, far from general view on an upper floor. . . . A member of the Institute's research staff, unaware of its existence and unexpectedly admitted, found himself in a city of mice, thousands of them, elaborately housed and cared for.