A system and a method for observing piglet birth is provided. The method comprises detecting at a first detection zone, infrared electromagnetic radiation from a first radiation zone including at least a first area of a first delivery zone of a first farrowing sow or gilt, identifying a first event indicative variation in the detected infrared electromagnetic radiation, the first event indicative variation being indicative of a piglet birth, and determining a first piglet birth event by means of the identification of the first event indicative variation.
