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. 2020 Apr;61(4):382–388.

Table 1.

Months and frequency (number of producers) of administration of oral parasite control products to cows, replacement heifers, and calves from cow-calf operations in western Canada from May 2014 to May 2016.

Month Cows (n = 4/95 producers) Replacement heifers (n = 16/93 producers) Calves (n = 8/45 producers)



Drench In-feed or mineral mix Combination (oral and pour-on) Drench In-feed or mineral mix Combination (oral and pour-on) Drench In-feed or mineral mix Combination (oral and pour-on)
January 2
March 1 1
April 1
May 4 1 1
July 1 2 1
August 1 2
October 1 1
November 2 1 3 1 1
December 1 2 3 1
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