In a recent poll, Progressive Cattleman asked, “How frequently do you change needles for cattle vaccinations?”
Eight percent said they change needles after 20 injections. Another 15.9 percent said they change needles between 10 to 20 injections. Almost a quarter of readers (21.6 percent) said they don’t keep track of how often they change needles.
The majority (54.6 percent) said they change needles after one to 10 injections. 
How frequently do you change needles for cattle vaccinations?
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After 1 to 10 injections: 54.6%
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Between 10 to 20 injections: 15.9%
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After 20 injections: 8%
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I don't track it: 21.6%
