Table 2.

Ethogram used for behavioral observations (Robbins et al., 2020)

Category	Behavior	Description
Active	Active	Sow is walking about and can be seen actively engaged with the environment. Sow can be observed interacting with water drinkers located in each thermal zone, such as biting, scratching, or chewing on.
	Drinking	Sow’s head is in the water drinker, located on the same wall to lighting strips (10 total), and can only see back of head and ears while within in the water drinker.
Inactive	Inactive	Sow is motionless and assumed to be sleeping. The animal may be inactive if sitting, standing, or lying still and alert. Animal is stationary; slow and small head movements may be seen but their body is motionless.
Other	Other	Sow’s behavior cannot be determined; camera angles or glare does not allow for accurate assessment.
	Defecation	Sow is stationary or in a dog-sit position and can see fecal matter being excreted.