what do i use to keep my chicken from getting worms

[chickenmama109]

hi i have nine hens one rooster and three chicks that are 12 almost 13 weeks old that know stay outside with the bigger chickens i dont want them to get worms what do i use and how and if i use anything will it get in the eggs thanks for your help

 

[PirateGirl]

I was just reading this...

https://www.backyardchickens.com/articles/internal-parasites-parasitic-worms-in-chickens.66969/

 

[chickenmama109]

I was just reading this...

https://www.backyardchickens.com/articles/internal-parasites-parasitic-worms-in-chickens.66969/

thanks