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Abstract
Extract
Although abortion associated with leptospirosis has been reported, this has not hitherto been regarded as one of the more important results of the disease. Abortion can occur with or without symptoms of infection by leptospira. Thus Mathews (Citation1946), Little, Beck, and McMahon (Citation1950), and Sippel, Boyer, and Chambers (Citation1952) report abortions in animals showing other clinical manifestations of leptospirosis, while Gouchenour and Yager (Citation1953) and Bailey (Citation1953) report leptospiral abortions with no other clinical symptoms. Gouchenour and Yager (Citation1953) state, “Except for abortion itself, or dropping of non-viable calves, dams exhibited little or no evidence of disease.” Recently, outbreaks of abortion associated with leptospirosis have occurred in several parts of New Zealand. One of these outbreaks was investigated closely, and results are reported in this paper.