History

April, 1950
　Slaughterhouse-related hygiene administration, delegated from Kanagawa Prefecture to Motoichi
　The central Yokohama city center and the slaughterhouse (Yamauchi-cho, Kanagawa-ku) are under the jurisdiction of the Kanagawa Public Health Center.
　Yokohama Livestock Industry Co., Ltd. Tozuka and the slaughterhouse are under the jurisdiction of the Tozuka Public Health Center.
January, 1956
　Transfer to the Public Health Section of the Yokohama City Sanitation Bureau
February, 1957
　Abolition of slaughterhouses with Tozuka, Yokohama Livestock Industry Co., Ltd.
September, 1959
　Decommissioning of slaughterhouses with the Central City of Yokohama
　Established as a slaughterhouse in 3-53 Oguro-cho, Tsurumi-ku as a new center of Yokohama City
November, 1960
　Government building (reinforced concrete 2nd floor, part 3 stories, total area 380.4 square meters) Construction
March, 1962
　Establishment of Yokohama City Meat Sanitation Laboratory
October, 1979
　The general market building was completed, and the inspection office was relocated to the third floor.
October, 1988
　Complete renovation work based on the Central Wholesale Market Development Plan
April, 1991
　Regulations on the business of poultry processing and enforcement of laws on poultry inspection
July, 1994
　Completed wholesale building
March, 1995
　Completed renovation of the women's changing room and office
October, 2000
　Increased refrigerators for storing by-products
October, 2001
　Began spongiform encephalopathy test
April, 2002
　The pork carcass cooling facility is completed, and cold and body trade starts
December, 2005
　Demolition line improvement work in small animal dismantling room completed on-rail operation
January, 2009
　Demolition line improvement work in large animal dismantling room completed on-rail operation
　Completion of improvement of large animal visceral treatment room
April, 2009
　Completion of improvement work for small animal inspection corner
　Completion of improvement of small animal visceral treatment room
October, 2011
　Completion of improvement work for small animals
July, 2012
　 Establishment of a Meat Sanitation Laboratory website
July, 2013
　 Changed the test target for cow spongiform encephalopathy to over 48 months old
April, 2017
　 The test target for cattle spongiform encephalopathy is "cows aged 24 months or older who have suspected neurological symptoms in biological tests and present systemic symptoms"
Changed to
March, 2020
　Updating and introducing livestock inspection data system
　End of the screening test for all-head radioactive substances in cattle