![Sample our Bioscience journals, sign in here to start your access, Latest two full volumes FREE to you for 14 days]({"type":"image" , "src" : "/sda/5925/TOC-Subject-Sample-2021-Bioscience.jpg"})
1. A procedure for colostomising birds from 3 weeks to 5 months of age is described.
2. A plastic cannula was inserted into the fistula 10 d after surgery to keep it open.
3. Provided that the cannula was changed regularly at 10‐d intervals there was no constipation or dilation of the intestine.