Drupal-Bibcite0<style face="normal" font="default" size="100%">Time pattern and causes of lamb mortality on commercial sheep farms in Southern Germany operating conservation grazing and non-seasonal production systems – a field study</style><style face="normal" font="default" size="100%">Time pattern and causes of lamb mortality on commercial sheep farms in Southern Germany operating conservation grazing and non-seasonal production systems – a field study</style>