I have a Pekin who is roughly 30 weeks old, and started laying 3-4 weeks ago. Our chickens started laying around the same time she did and I feed them all the same food(Ranch Pro layer crumbles I believe, we get most of our food from Atwood’s). I have seen signs of extra calcium on chicken eggs and signs of low calcium in some of the duck eggs.
My main questions are:
1.) How can I lower the calcium level or intake with my chickens?
2.) Can I give my duck anything that will raise her calcium level? If so, what and how would I give it to her? I’ve seen some people who just use a hanging feeder to put calcium supplements in but how would I keep the chickens from eating them if they don’t need any(or will they decide that on their own?)?
3.) Should I be giving the ducks different food than the chickens? Will that help sort things out so I don’t have to use calcium supplements?
4.) Can I give my duck oyster shells? I’ve heard that is a good supplement but I’m not sure if it can be used for ducks.