Factors Influencing the Concentration of Volatile Fatty Acids, Ammonia, and Other Nutrients in Stored Liquid Pig Manure.
- Resource Type
- Article
- Authors
- Conn, Kenneth L.; Topp, Edward; Lazarovits, George
- Source
- Journal of Environmental Quality; Mar/Apr2007, Vol. 36 Issue 2, p440-447, 8p
- Subject
- MANURES
SWINE
FATTY acids
SOWING
ODOR control
FEED additives
TANKS
DILUTION
AMMONIA as fertilizer
- Language
- ISSN
- 00472425
This article discusses how to minimize odor and manage nutrients in liquid pig manure. The authors studied which operational practices most influence the concentrations of volatile fatty acids ammonium nitrogen, and other nutrients present in the manure. They collected manure from pig operations in southwestern Ontario. The main reason for the differences between the three types of manure was dilution. This was due to larger density of pigs in finishing compared with sow operations, more wash water being used for sow operation and less manure storage capacity per pig for finishing compared with sow operations.