I'm glad you didn't buy from him. Since he sells in London apparently your birds might have come into contact with some of his.
You can inject the Tylan in the breast, just be sure to avoid the crop and the heart! I have also pinched some skin in the back of the neck area and injected it there.
You can inject the Tylan in the breast, just be sure to avoid the crop and the heart! I have also pinched some skin in the back of the neck area and injected it there.