Does d-Con mouse bait have an expiration time once opened?

Question

I was told by an exterminator that d-Con mouse bait ceases to kill mice about 15 days after opening the package/container. I find this hard to believe because boxes are not sealed air tight. I couldn't find the answer on D-cons web site.

Answer 1

D-Con or any other bait  will last longer than 15 days so long as it is not contaminat ed with pesticides or cleaners and as long a it is kept dry. when placing baits you should use tamper proof mouse baiters. This protects the bait  and keeps it fresher. It also helps prevent children and pets from getting to the bait. Be careful when using any pellet type bait for mice. Mice can carry the bait and deposit it in areas you do not want the bait to be deposited, such as in toy boxes or pet areas. It is better to use bait blocks inside bait stations. Mice have a hard time trying to carry a bait block around, so it is a safer bait to use. You can get these on various online pest control supply stores such as http://www.pestcontrolamerica.com or http://www.allpestexpress.com