Evaluation of the usefulness at national level of the dairy cattle health and production recording systems in Great Britain

摘要: The aim of this study was to formally evaluate, qualitatively, the ability existing recording systems generate accurate and reliable estimates frequency selected health conditions in dairy herd Great Britain. Fifty-nine were identified, which 36 had their key characteristics defined through a web-based questionnaire. Nineteen them further assessed following SERVAL, SuRveillance EVALuation framework against set 12 attributes: benefit, bias, communication, coverage, data collection, management, analysis, completeness, flexibility, multiple utility, representativeness stability/sustainability. evaluated showed considerable differences implementation objectives. There overlaps recorded conditions, with Johne's disease, bovine viral diarrhoea, mastitis lameness being by most systems. Selection ownership lack integration from different appeared be limitation on future use for nationwide monitoring. results that even though individual can provide farmers, none alone could any interest at national level.