In the previous article concerning young pigeon disease it was mentioned that the health of the microbiome is very important in keeping young pigeons healthy. To develop a good and healthy microbiome, the provision of antibiotics is basically out of the question. Just as for small children, it is preferable that they should not receive antibiotics before the fourth year, if possible, this also applies to young pigeons in the first year of life. Young pigeons still have to develop their immune system.