I am reading and hearing a lot about problems with modified live vaccines. I know you have recommended them over killed vaccines in the past, but has something changed?
There are some studies being used to detail problems with modified live vaccines (MLVs). Personally, I think the data supporting the use of MLVs is much stronger.
I still believe MLVs provide the best immune response, are much less expensive and, when used according to the label, are safe. This is what I use on my own cattle and what I recommend to my clients whenever they can be used.
Please contact your veterinarian for questions pertaining to the health of your herd. Every operation is unique, and the information in this column does not pertain to all situations.
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