This usually occurs under a week of age and is due to infection entering from the naval cord.

IF THIS IS HAPPENING YOU HAVE POOR CALF PICK UP TECHNIQUE AND NEED TO REVIEW IODINE COVERAGE OF THE NAVAL CORD.

They are really hard to treat and only successful if found early. Use meloxicam or similar ( 1.5 ml per 50 kg ) And high doses of alamycin ( 5 ml for 5 - 7 days )

Most often the calf needs euthanised.