Answer:
Raising animals humanely can use less feed, fuel and water than intensive farming, reducing costs and pollution. Humane farms can create jobs, boost profits and keep local food supplies healthy. By farming crops and livestock, humane farms can reduce environmental damage – recycling nutrients and improving the soil.
The main reason for maintaining our animal agricultural populations is to provide a nutritious and desirable form of food for human consumption. Only about 11% of the world's land area is suitable for production of foods that can be directly consumed by humans
