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Table 1 Scoring systems used for the application of exit criteria

From: Multi-organ spreading of Actinobacillus pleuropneumoniae serovar 7 in weaned pigs during the first week after experimental infection

Scoring systems Scoring scale based upon clinical symptoms
0 1 2 3
Respiratory score No clinical signs of respiratory disease Breathing frequency of 35–55/min and/or occasional coughing Breathing frequency of 56–90/min and/or multiple coughing periods within 10 min and dyspnea Breathing frequency > 90/min and cyanosis or gasping or open-mouth breathing or breathing frequency > 90/min and cyanosis and gasping or open-mouth breathing
Depression score Active, alert, normal ingestion Calm, alert, decreased ingestion Dull, increased recumbence, increased reaction time, still moving to the feeding trough but without or only small feed intake or dull, sitting like a dog, increased reaction time, still moving to the feeding trough but without or only small feed intake Apathetic, no reaction to stimulation and/or shaky movements without lying down and/or standing with head down without lying down and/or vomiting and/or foam around nostrils and mouth