When it comes to optimal dairy-cow barn ventilation, there are no cut-and-dried answers. With so many options available, it’s hard to have across-the-board agreement. Today’s typical options include natural, cross and tunnel ventilation. Add to the list positive-pressure delivery systems and any number of hybrids. Of course the variation of designs within a system can be as great as between systems, making the matter all the more complex.
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Dr. Nigel Cook, DVM, is the chair of the Department of Medical Sciences and professor in food-animal medicine at the University of Wisconsin-Madison School of Veterinary Medicine. Contact him at nbcook@wisc.edu for more information.
