A young female pig, known as a gilt, reaches maturity and can be bred, between day 170 and 220. Length of heat (estrus): 17-23 days; how long heat lasts: 24-72 hours. Gestation (pregnancy) is 114 days ...

Heat stress can be a major cause of economic loss for swine producers during the summer months. Between the heat and humidity, diminished feed consumption, reduced gain, and of course death, producers ...