the gas produced from farm manure is biogas methane
methane
Pigs are domesticated animals raised primarily for the purpose of their flesh or pork meat. Their manure are also used as organic fertilizer in farms and fishpond. Biogas uses pig's manure in order to produce biofuel.
No. Only pigs are from a farm. Wolves are wild animals.
have you ever seen a FARM in movies without pigs?
Pigs
"Animal Farm "is a classic novel about farm animals. The pigs play the role of directing other animals once the harvest begins.
It varies from farm to farm. Usually a farm will have pigs, chickens, and cows.
pigs and cows
The pigs are the smartest
some animals on a pioneer farm include pigs, cows, goats, sheep, and chicken
most common animals are, Cows, Chicken, Goats, and Pigs.
Of course the pigs eat! The pigs eat more than anyone else in Animal Farm, because "All animals are equal, but some Animals are more equal than others".
Cows and nanny goats produce milk. Chickens produce eggs. Pigs and steer are slaughtered for their meat. On a small farm, horses are used to pull the plow so the farmer can sow the seeds to grow fruits and vegetables.