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. 2014 Jul 25;76(11):1487–1491. doi: 10.1292/jvms.14-0243

Table 2. Fecal egg count reduction (FECR) of Cooperia oncophora (C. o.), C. punctata (C. p.) and Ostertagia ostertagi (O. o.) after treatment of cattle with ivermectin pour-on.

Farm
No.
Year Month Na) Larval culture Day 0 FECR%b) Larval culture Day 14



C. o. C. p. O. o. Others C. o. C. p. O. o. Others C. o. C. p. O. o. Others
1 2009 May 16 77% 8% 14% 1%c) 85 86 98 86 88% 9% 2% 1%c)
(71–92) (72–93) (96–99) (72–93)
August 16 65% 12% 23% 1%d) 56 0 100 100 60% 40% 0% 0%
(0–81) (0–30)
2010 August 20 86% 5% 9% 0% 28 0 100 81% 19% 0% 0%
(0–65) (−29–0)
2 2009 September 12 57% 7% 28% 9%c) e) e) e) e)

a) Number of animals. b) The 95% confidence intervals are given in parentheses. c) Mecistocirrus digitatus. d) Oesophagostomum radiatum. e) Percent reduction not calculated because of insufficient larvae at day 14.