Forum Discussion
CFerguson
Oct 09, 2019Explorer II
Flea collars on a dog work by releasing their active ingredient into the dog via contact. The flea consumes the poison when it feeds on the dog. There is 'some' repellant effect, but it is minor compared the primary route.
When using poisons, pay the extra (if needed) and use the bestest most correctest one.
When using poisons, pay the extra (if needed) and use the bestest most correctest one.
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