Dutch-sponsored researcher Thuy Huynh has discovered that pigs get stressed if they become too warm. They go and lie on the slatted floor, wallow in urine, eat less and grow less as well. With cooling systems, such as floor cooling, sprinkling or water baths, the pigs remain cool and grow better.
Pigs in confinement find it difficult to lose body heat. Therefore their well being is strongly dependent on the ambient temperature. Huynh discovered that they huddled less at a temperature above 16 degrees Celsius. At a temperature of about 19 degrees the animals sought a slatted floor to lie on. They also wallowed in urine and became less active.
If the temperature rises further, the pigs increase their breathing rate and eat less. Finally their body temperature rises. Thuy Huynh discovered that a high temperature, especially in combination with a high relative humidity, results in a poor growth of the pigs.
Dr Thuy, Huynh T.T. | EurekAlert!
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