mites on chicks

I used to use straw in my bedding. But 3 days ago I switched to pine shavings from tractor supply and another local feed store. Now my 5 week old chicks are constant scratching since changing that bedding. Has anyone ever had mites or lice in a new bale of pine shavings bag?! They're in my...

I am in need of help/advice ASAP!! I go to check on my broody Cochin bantam girls yesterday evening to see if their eggs are hatching yet. I reach my hands into their brood box and lift their fluffy rumps up just a tad to look under them and I see two extra little gray feet! I get super excited...

I had my Silkie hen brood a set of five eggs, they all hatched. now they are 3 weeks old. I decided I wanted to try to sex them and when I did I saw little bugs around the vents. I have some poultry dust but I'm not sure I can use it on them, can I and is there any other way to help them?