That is a matter of personal choice and management. Some worm on a regular basis, whether worms are present or not, some feel that it's not necessary of worms are not present. (As in, why use more chemicals and treat unnecessarily?) I think a lot depends on how your chickens are kept. I'm not an expert, but I wonder if chickens that are penned are more susceptible to worms and parasites?Oh dear! No I don't worm them. I guess that's something I should do on a regular basis??
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