How are the supplies shipped? April 19, 2021 20:13 Updated The majority of the time we use the United States Postal Service. Related articles How do I care for my chicks when I receive them? How long does it take to receive my supplies? Can I mix different size chicks in the same brooder? What does the terms straight run, pullet, hen, cockerel, stag, and cock mean? Will the Post Office deliver our chicks to us at our home?