By Enevoldsen, C. and Grohn, Y. T. and Thrusfield, M. V. and Thysen, I., ,
Description
Data were obtained from 15 Danish Black and White and 3 Red Danish loose housed dairy herds on milk yield, body weight at calving, in spring and autumn and at culling, dates of calvings and cullings, and all veterinary treatments requiring injections or antibiotics. Claw health was recorded in degrees of severity (0-4). Presence or absence of contusions or wounds on hock, knee or body were recorded and symptoms scored (1-3). Interrelationships between dependent variables were analysed using a log-linear modelling procedure. The results are discussed
Data were obtained from 15 Danish Black and White and 3 Red Danish loose housed dairy herds on milk yield, body weight at calving, in spring and autumn and at culling, dates of calvings and cullings, and all veterinary treatments requiring injections or antibiotics. Claw health was recorded in degrees of severity (0-4). Presence or absence of contusions or wounds on hock, knee or body were recorded and symptoms scored (1-3). Interrelationships between dependent variables were analysed using a log-linear modelling procedure. The results are discussed
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