Table 1. Frequency of Leptospira interrogans in cart horses according to serovar, Curitiba, PR, 2013.

Sampling	01	02	03
Serovar	Icterohaemorrhagiae	Icterohaemorrhagiae	Icterohaemorrhagiae
Frequency	64% (16/25)	45% (9/20)	50% (11/22)
Serovar	Canicola, Icterohaemorrhagiae	Canicola, Icterohaemorrhagiae	Icterohaemorrhagiae, Castellonis
Frequency	4% (1/25)	5% (1/20)	13.63% (3/22)
Serovar	Bratislava	Bratislava	Icterohaemorrhagiae, Castellonis and Pyrogenes
Frequency	8% (2/25)	5% (1/20)	4.50% (1/22)
Serovar	Canicola	Gryppotyphosa
Frequency	8% (2/25)	5% (1/20)
Serovar	Canicola, Pyrogenes, Hardjo pratijino
Frequency	4% (1/25)
Serovar	Canicola, Pyrogenes
Frequency	4% (1/25)
Serovar	Bratislava, Icterohaemorrhagiae
Frequency	4% (1/25)
Serovar	Pomona
Frequency	4% (1/25)