Welcome to BYC. Make sure that it's not the chicken's crop that is on the upper right side of it's chest--it will be full after a big meal, then go down. Sometimes chicks can get injured and get a leaking air sac called subcutaneous emphysema under the skin. If it is air, you can stick an 18 gauge needle in just under the skin and withdraw the air. Here is a link with a picture of the crop: http://www2.ca.uky.edu/poultryprofi.../Chapter3_Anatomy_and_Physiology/Chapter3.pdfMy chick has the same thing. It is barely two weeks old, and there was a time where it had almost died. It now has this bubble thing on its neck. What should i do?
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