Despite the overwhelming prevalence of use through the globe, battery cages have been heavily criticized by animal welfare organizations and scientists (Taylor and Hurnik, 1996). Some even refer to the use of battery cages as ‘the cruelest’ of all factory farming practices (Stevenson, 2004).

Source: Sonin, J. (Photographer). (2012, January 29). Eye to eye [digital image]. Retrieved from: https://flic.kr/p/bkGdLM