Forced ventilation by fans (III)

Critical temperatures are defined as those between which the pig is most comfortable and thus should perform to its genetic maxima – called the pig’s ‘comfort zone’. LCT Sure – we all know about the comfort zone. We also know that energy, in the form of heat, is expensive and that in the process of keeping the pigs ‘comfortable’ we need to keep the pig just above its lower critical temperature (LCT) – an ambient temperature so as to minimise cost of food energy, and suppleme