Richard Jones

I am concerned that there is not a reference to previous work dated later than 1999. None of the recently identified IBV types has been named in the article.

You do not say anything about the nature of the lameness. Are the joints affected? THe feet? The muscles? Has any histopathology been done? Do you have eccess to any laboratory that could undertake satisfactory follow up to determine the cause?

I cannot see any typical intranuclear inclusions with clear margination of the chromatin which are diagnostic for ILT. The appearance of multinucleate syncytia would also be helpful but I am not convinced that they are present here. An important feature of...

The information on IB is completely out of date. It does not mention variant viruses or vaccines at all.