1. The benefits and costs of a system of mastitis control in individual herds;Asby,1975
2. Mastitis—counting the cost;Beck,1988
3. Losses incurred in pig, cattle and sheep production in the UK;Beynon,1975
4. The role of mastitis cell counts in a national control programme;Booth,1980
5. Progress and problems in the UK: an overview;Booth,1988