sources for the paper

 http://www.humanesociety.org/issues/confinement_farm/

my first source is the humane society, which is an animal welfare organization and they have a negative view of factory farming, bringing up the confinement of farm animals, the heavy antibiotic use in farm animals to keep them healthy, and the environmental impacts of concentrated animal feeding operations

http://greengarageblog.org/list-of-top-19-factory-farming-pros-and-cons

my second source is more neutral, comprising of a pros and cons list of factory farming. it lists the lack of cost, both to consumers and to farmers per animal, and the efficiency that this food is produced is unparalleled in the inorganic world. however, it has plenty of cons, such as negative impacts on the environment, and leads to health concerns in the animals

http://www.theguardian.com/books/2015/sep/25/industrial-farming-one-worst-crimes-history-ethical-question

this source is anti-factory farming, and mentions the practice of De-beaking chickens to either prevent them from fighting, among a number of other cruel practices in the production, and slaughter, of livestock.