Modern ventilation – an overview

I conclude this series on the complexities of effective and economic powered ventilation with some comments and suggestions, having attempted to get things right on clients’ farms across more than 40 years. There are at least 12 viable and quite different methods of power-ventilating a piggery. All of them are quite satisfactory if the producer understands and puts into practice the ground rules. Of course there are differences in installation and operating costs. How these can be set aga