I am starting a pig farm to raise pork to sell
Awesome!  Farming pigs is a  branch of animal husbandry!
Yes and i am new to it but plan to be a ethical humane organic farmer!
That's great! At one time pigs were kept in small numbers - how many do you plan to have?
a couple of hundred and I plan to free range them over 300 acres
Wow, you have some big plans!  In some places there are farms that have thousands of pigs!
Yeah but I plan to let them live a humane life with land to graze instead of in a tiny pen
raise a large amount of pigs in a very cost-efficient manner. In developed nations, commercial farms house thousands of pigs in cramped, climate-controlled buildings with little to no exposure to sunlight or the outdoors. Pigs are a popular form of livestock, with more than one billion pigs butchered each year worldwide, 100 million of them in the USA. The majority of pigs are used for human food but also supply skin, fat and other materials for use as clothing, ingredients for processed foods, cosmetics, and
Pig farming
Pig farming is the raising and breeding of domestic pigs as livestock, and is a branch of animal husbandry. Pigs are farmed principally for food (e.g. pork, bacon, gammon) or sometimes skinned.
Pigs are amenable to many different styles of farming: intensive commercial units, commercial free range enterprises, or extensive farming (being allowed to wander around a village, town or city, or tethered in a simple shelter or kept in a pen outside the owner's house). Historically, farm pigs