Workshop on designing supplemental ventilation systems for calf barns

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Madison, WI – While natural ventilation and negative pressure mechanical ventilation are the most widely used systems for nursery and growing calf barns, both have problems that can be minimized with supplemental positive pressure tube systems. In this workshop, Dr. Ken Nordlund of the Food Animal Production Medicine Section at the University of Wisconsin-Madison School of Veterinary Medicine will present on designing systems to deliver appropriate volumes of fresh air to calves without creating drafts. Problems with fluttering tubes, uneven distribution of air along the tube, and failure to inflate will be reviewed, along with practical ideas for tube location and construction materials. This training aims to equip consultants with the ability to improve air quality in calf barns through improved ventilation and other common management and building design problems that contribute to poor air hygiene and increased risk for calf pneumonia.

Participants will receive and learn to use the Dairyland Initiative's Supplemental Positive Pressure Ventilation Tube Calculator to create specifications for example barns and troubleshoot existing systems. To make the most of the workshop, participants should bring a computer to the workshop that can run an Excel spreadsheet.

The seminar will be held on Wednesday, November 16, at the Gruenhagen Conference Center, University of Wisconsin-Oshkosh, 208 Osceola Street, Oshkosh, WI. The schedule will begin with registration at 9:30 am, and the workshop will start at 10 am and conclude at 4 pm. Registration fee is $325 per person, which includes the Supplemental Positive Pressure Ventilation Tube Calculator program, consultation support of the program after the workshop, proceedings, 4.8 veterinary CE credits from the University of Wisconsin-Madison School of Veterinary Medicine, parking, lunch and refreshments.

Participants should register for the workshop in one of three ways: online at, by FAX of the registration form found at to (608) 890-1774, or by phone at (608) 265-5206. Registration questions may be directed to Karl Olson, C.E. Program Assistant, at (608) 265-5206 or by e-mail at


The Dairyland Initiative is a program of the Food Animal Production Medicine Section at the School of Veterinary Medicine, University of Wisconsin-Madison, supported by the Ira and Ineva Reilly Baldwin Wisconsin Idea Endowment and industry sponsors.

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