Basic behaviors | Standing | The body weight was supported by the 4 legs. Included standing and walking |
Lying | The sow maintaining a recumbent position |
Lying to flattening | The sow lies on the flattening floor while the head is resting on the ground or is erected |
Unusual behaviors | Fighting | Forceful pushing on other sows |
Chewing | Chewing actions were performed without the presence of food in the oral cavity.If performed excessively, sham chewing may be accompanied by hyper-salivation. Sham chewing occurs most frequently in confined sows fed a highly concentrated diet and is considered to be a vacuum activity |
Scratching | Any repeated or rhythmical rubbing action against objects in the surroundings (e.g., wall, ground surface, etc.) or rubbing action between two parts of a sow’s own body. |
Grouping | The formation of a group of sows by natural means (e.g., herd formation as a result of social attraction) or by human action |