Pig farming methods

Manure from pig operations provides an impressive, low-cost source of nutrients for crops and pastures. Nevertheless, manure handling can present a challenge on pig operations. Depending on the circumstance, manure may be handled as either a solid or a liquid on the farm. Most small operations handle manure as solids, spreading can compost all through the year using conventional manure handling equipment such as shovels, tractor-mounted loaders, skid loaders, and manure spreaders.

Manure consistency varies as reported by the age of the animals, the kind of feeds provided, and the kind of bedding employed in the operation. Confinement operations focus can compost, while manure in pasture operations tends to be less concentrated. Many larger pig operations handle can compost in the liquid form, which calls for different types of equipment and structures for collecting and spreading the nutrition on fields.

Pig manure is a valuable spin-off that can be employed to enhance field crop production. Here are a few helpful facts regarding production rates and nutrient contents of pig manure:

- A 150-pound pig produces 9.5 pounds of solid waste daily, or 1.7 tons of manure per annum.

- A 150-pound pig produces 1.2 gallons of liquid waste daily, or 440 gallons per annum.

- Solid manure contains 7 pounds of nitrogen, 6 pounds of phosphorus, and 7 pounds of potassium per ton.

- Liquid manure contains 17 pounds of nitrogen, 10 pounds of phosphorus, and 16 pounds of potassium per 1000 gallons

- Pig operations with 100 animals handy year-round produce 170 tons of solid manure, or 44,000 gallons of liquid manure annually. This manure would supply nutrients for approximately 10 acres of field corn on an annual basis and would require little additional purchased commercial fertilizer to meet crop needs.

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