An Exhaust Fan That Can Be Turned Down Most agricultural exhaust fans run at one speed: full. That is fine in July and wasteful in April, when a little air movement would do and the motor still draws its rated power. This unit is built around a brushless EC motor with electronic speed control from ...

Covered Troughs Keep Water Cleaner for Longer An open trough collects whatever the wind delivers: dust, leaves, feathers and the occasional rodent. Each of those adds organic load, and organic load is what turns a clean basin into a green one within a fortnight. What the cover and balls do The ...

The Triangular Trough Cattle Cannot Tip A wide, low centre of gravity and sloped sides make the triangular trough harder to overturn than a box-shaped pan, which is why it survives in pens where cattle push and crowd at feed time. Shape and sheet Folded from 1 mm galvanized steel, the trough runs to ...

19.4 Grams of Plastic That Protects a Whole Pen At under 20 grams the weaner adds almost nothing to what a calf carries, yet it removes the single behaviour that most often spreads injury through a group pen. What it prevents Nurse sucking, ear sucking and navel sucking all start as displacement ...