Based in the UK, Kelvin Cave Ltd specialise in feed preservation additives and equipment. The firm imports and distributes the Murska and Korte ranges of grain-processing equipment. Kelvin Cave Ltd recently introduced the Murska 4000 roller mill to its range. The Finnish-built machine joins an existing line-up of rollers and crimpers catering for all sizes of operators. However, the 4000 model is aimed for the larger-scale operators requiring large hourly outputs.