Renz is so ignorant, like in this thread:
https://freerepublic.com/focus/f-chat/4142552/posts
He NEVER lists the specific source of his information.
And yes, I am aware of Merck’s SEQUIVITY
- see https://www.merck-animal-health-usa.com/species/swine/sequivity
They take a sample pathogen from the farm, formulate a vaccine and then deliver back to the farm to use for that specific herd population.
Cleanup on Aisle 1.
People just lap this ‘stuff up like mother’s milk.