It helps to have a good dust bath in your coop. They will naturally bathe in the dirt getting it right down to their skin which suffocates external parasites. Its part of their natural grooming process. It also helps to add dried herbs that not only deter pests naturally but also provide...
You do NOT want to wash your eggs until right before you cook them. Eggs have a layer of film on them that protect what's inside. Washing your eggs will remove this barrier and allow bacteria to pass through the shell and infect your eggs, making them unsafe to consume. Collect your eggs daily...