Goats can be picky eaters, and they may not immediately accept new feeds. Any feed changes should be made gradually to avoid upsetting the rumen microbes. Feeding very high levels of grain can also upset the rumen. Grain should never be more than 50% of the total diet, except for heavily-producing dairy goats.
Glossary of Medieval Art and Architecture. groin vault: A vault produced by the intersection at right angles of two barrel (tunnel) vaults. Sometimes the arches of groin vaults may be pointed instead of round. See also: barrel vault.
Example sentences. 1  The entrance in the north facade of the barrel vault is over an open, hard paved, elliptical piazza. 2  Externally, the barrel vault is covered in patinated zinc, emerging from the ground with a glazed facade to the south while, within, the precast vaulted roof is expressed. The entrance in the north facade of the barrel vault is over an open, hard paved, elliptical piazza.