Fig. 2From: A critical review on experimental Streptococcus suis infection in pigs with a focus on clinical monitoring and refinement strategiesMonitoring intervals in the reviewed experimental S. suis pig infections published between 2000—2021 (n = 68). Several studies included clinical monitoring of the piglets but did not mention the interval (n.m.). O2 hours (h) monitoring interval for 72 h. *4–5 h interval during the day, 8 h overnightBack to article page