Blower heaters for weaner-grower pens may offer significant advantages over conventional in-pen bar heaters, according to Tim Miller environmental specialist with ARM Buildings.
articles about temperatureTags
Floor cooling is based on the conduction of heat from the sow to a sink while lying down.
This time, Joan Wennberg discusses the different feeding and environmental control systems in the farrowing house with Heraclio Corchón and Javier Lorente
In the summer, lactating sows could spend 34 to 94% of their time above heat stress threshold (25°C), which could lead to 0.6 to 2.5 kg per day of reduced feed intake, and this is true from Netherlands to Spain.
Fans should be isolated from the power supply and blades cleaned with water and detergent if necessary — though not with a pressure washer which could damage the electric motor!
Pigs exposed to heat stress increase their body temperature and reduce the size of their intestinal villi, thus increasing the loss of endogenous AAs and reducing the abundance of AA transporters in the intestine, as well as apparent and standardized ileal digestibility of AAs.