Skin laceration - Atlas of swine pathology

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Possible causes: Vices

A common problem in group-housed gestating sows is aggression at mixing. Mixing-induced aggression can cause injuries to sows, such as skin lesions, vulva biting, and even lameness. The initial aggression can also result in subordinate sows becoming fearful of further conflicts while attempting to obtain feed which leads to inadequate feed intake and poor body condition. Poor body condition represents poor welfare.