They aim at rescuing animals and protection of entire animal species to preserve habitat all over the world. (actionforanimalsnetwork.org)
It's much more efficient to just grow the meat you'll eat, and not raise entire animals for the slaughter. (treehugger.com)
Older dogs are at increased risk of obesity, as are females compared with males, neutered dogs (compared with entire animals), and dogs receiving less exercise (Holmes et al. 2007). (waltham.com)