Table 1. The perceived benefits and drawbacks of gestation stalls and group housing systems that were presented to participants upon entering the survey.

	Gestation Stalls	Group Housing
Proponents suggest that	Limit aggression	Increases social contact between animals
	Limit the spread of disease between animals	Increases animals’ ability to move
	Make pork production more efficient	Improves bone, muscle, and joint health
	Allow for animals to be fed individually	Improves animals’ ability to perform natural behaviors
Opponents suggest that	Limit animals’ ability to move	Increases aggression between animals
	Limit animals’ ability to socially interact	Results in wounds that affect animal welfare
	Limit animals’ ability to perform natural behaviors	Can affect workers’ ability to monitor animals individually