The Porcus Optimus weighing system uses imaging, not a scale, to tell a pig’s weight and could be used to hone a farm’s marketing strategy. 			
		
			
				
	
	Researchers from the University of Manitoba are creating a computer vision system that can weigh pigs without a scale
	More sophisticated sensors and data analysis are pushing the idea of true smart barns, and livestock producers are going to need to jump in on the technology, professor says