A squealing pig may be feeling fear, but also alerting other individuals of danger. If you growl you will simply be transmitting information about your health status and satisfaction. The range of sounds of these animals is very wide and serves to inform with a wide variety of nuances about their emotional and physiological state. In short, it will issue different vocalizations depending on their living conditions.
The team, made up of Michael P. Mcloughlin and Rebecca Stewart, from Queen Mary University in London, and Alan G. McElligott, from Roehampton University, has observed that animal welfare could be much better if acoustic monitoring was used in the farms. The farmer would receive valuable information about the health or emotional state of their cows, chickens or pigs, as described in an article published in the Journal of Royal Society Interface.
The researchers analyzed and immediately classified the vocalizations of these three species so common in the farms (chicken, cow and pig) According to them, the methods that are commonly used for the ecology or conservation of wild species (for example, hydrophones to locate whales ) would also have an application on farms. ” The chickens and pigs, in particular, are very noisy animals, and their cries indicate if they are stressed if they feel pain or suffering diseases”, indicates McLoughlin.
In addition, the use of these acoustic monitoring technologies could improve livestock production. The installation of microphones on the farms would record and identify, through a specific algorithm, the signs of distress or distress, particularly depending on the duration or volume of the vocalizations. This information would then reach the farmers to put an immediate solution to the problems.
The technology would help care for animals with great precision, allowing the temperature, lighting or ventilation of the space to be modified automatically in response to their vocalizations.
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