- The Dairy Marketing Scheme introduced under the Agricultural Marketing Act, in 1951, established The Dairy Marketing Board on 1 October 1952 to provide for:
- The reception of all milk delivered to it
- The manufacture and orderly marketing of milk and dairy products
- The administration of regulations applicable to producer registrations
- Prior to 1952, there were four (4) co-operatives throughout the country. These were:
- Manicaland Co-operative
- Matabeleland Co-operative
- Midlands Co-operative
- Mashonaland Co-operative
The Matabeleland, Midlands and Mashonaland Co-operatives amalgamated to form the Dairy Marketing Board. The Manicaland Co-operative which was based in Gaza, Chipinge only joined later in 1976.
- 1956 DMB became responsible for the activities of the Rhodesia Co-operative Milk Company and the Bulawayo creamery (Pvt) Ltd
- 1960 new dairy commissioned in Harare
- The Dairy Marketing scheme was incorporated as a schedule of the Agricultural Marketing Council act in 1956, which remained in effect until 1962
- The Dairy Produce Marketing and Levy act of 1961 superseded the Dairy Marketing Scheme on 18 May 1962 and applied to Northern and Southern Rhodesia.
- In July 1962 until dissolution of the federation, the Board operated dairies in Northern Rhodesia as well as Southern Rhodesia
- 1962 new Dairy commissioned in Kadoma
- Same year took over activities of the creamery in Mutare
- On 1 December 1967 Agricultural Marketing authority assumed the responsibility of the board
- 1965 extension of Harare Dairy and installation of a spray drier
- 1970 major extensions in Harare, Bulawayo and Gweru Dairies
- In 1973 bulk collection of milk began
- 1978 the Kadoma Cheese plant was commissioned
- 1983 construction of the Chipinge Dairy
- May 1987 Commissioning of the Harare Dairy UHT plant
- July 31 1987 official commissioning of the ice cream plant at Harare Factory
- 1990 new Bulawayo Dairy came into stream thereby increasing overall capacity
- DMB operated as a state enterprise until the commencement of commercialisation.