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. 2006 Jan 17;24(3):333–336. doi: 10.1111/j.1574-695X.1999.tb01302.x

Table 1.

Results of efficacy testing of vaccine batches in accordance with the EP Monograph on C. perfringens vaccines

Batch number Efficacy in IU β‐anti‐toxin ml−1 rabbit serum
Mean value Confidence interval
50 05 92 17.14 13.87–24.95
51 04 93 45.17 41.65–53.59
52 06 93 98.23 85.84–128.87