Close up openings : All openings to poultry houses should have closures that fit tightly and they should always be closed. Also, rodent-proof drains or spaces around pipes and exhaust fans. Any openings needed for ventilation should be screened or rodent-proofed.
Remove rat hiding spots : Relocate any wood piles or junk that rats can hide in.
Keep landscape well-trimmed : Mow grass regularly to prevent tall grass or weeds.
Remove food sources : only feed chickens what they need, any leftover feed that was not eaten during the day should be discarded. Collect any eggs promptly, and don't leave in coops overnight.
Keep area clean : Any spilled feed should be cleaned up
Fencing : use weld mesh instead of chicken wire, as weld mesh is far stronger and cannot be pulled out of shape or bitten through as easily as chicken wire can be.
Plant deterrents : Plant peppermint, spearmint, sagebrush, balsam fir, hyacinth, daffodils, cayenne, oregano, or black pepper may help repel rats from the premises.
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