Serological survey for bovine leptospirosis in the Volksrust district.

Serum samples (n = 860) from cattle in the Volksrust district were tested for Leptospira antibody titres. Seventeen (2%) of the animals were positive for leptospirosis, while 9(1%) animals showed suspect reactions. Titres against L. hardjo, L. pomona, and L. tarassovi were the most prevalent.