There are various methods of pig farming depending on the method of management adopted. Variables include:

Pigs can be farmed in free range, being allowed to wander around a village, kept in fields, or tethered in a simple house. In developed countries, farming has moved away from traditional pig farming and pigs are now typically intensively farmed. Today, hog operations are significantly larger than in the past, with most large-scale farms housing 5,000 or more pigs in climate-controlled buildings. With 100 million hogs slaughtered each year, these efficiencies deliver affordable meat for consumers and larger profits for producers.

Individual farm management focuses on housing facilities, feeding and ventilation systems, temperature and environmental controls and the economic viability of their operations. Just as producers have to determine profit margins and types of facilities and equipment for their farm, they must also find the practices that best fit their specific situation. Some procedures and treatments are known to stress the animals and producers should consider the animals' welfare, health and management in correspondence with accepted husbandry skills.

Animal Equality (the original name, and in Spanish, Igualdad Animal).

Igualdad Animal is an international non-profit animal rights organization whose purpose is "to achieve equal consideration and respect for animals, and the abolition of animal slavery". This approach challenges the concept of speciesism, which considers animals as merely property and thereby of lesser value than humans. Currently the organization is present in Spain, UK, Peru, Venezuela and Colombia. Their activities are concentrated in the cities of Madrid, Sevilla, Barcelona, Caracas and Bogotá.

The objective of Animal Equality is "to raise awareness of the suffering and deaths of nonhuman animals as victims of speciesism and work towards the abolition of animal use through the promotion of veganism."

Animal Equality does not support welfare reforms, or changes in the way animals are exploited, as the group believes that "reforms in animal treatment benefit exploiters by increasing efficiency and profit, and encourage the public to feel more comfortable about consuming animal products."