Discharges from the eyes - conjunctivitis. Blue discoloration of the skin. Loss of condition. Sows Widespread coughing. Some sows obviously very ill.
Respiratory rate is elevated, some showing acute respiratory distress.
Loss of condition. If pathogens such as influenza, PRRS virus, Mycoplasma hyopneumoniae or a virulent strain of Actinobacillus pleuropneumoniae enter a susceptible herd for the first time dramatic outbreaks may occur in sows. Incorrect ventilation and humidity. High stocking densities. Diseases are commonly transmitted through the movement of carrier pigs.