The Comparison of Concentration of Volatile Fatty Acids, Ammonia, and Volatile Organic Compounds in Pig Slurry

This study was performed to analyse the concentration of odorous compounds in the piggeries. Piggeries for different types of pigs include piglets, growing pigs, gestating and lactating sows. Slurry from these piggeries was sampled every month for chemical analysis. Short chain fatty acid (SCFA) was 9,862ppm(piglet), 8,410ppm(growing pigs), 6,791ppm(fattening pigs), 3,508ppm (lactating sows) and 1,687 ppm (gestating sows). Branched chain fatty acid(BCFA) was 1,634 ppm(piglet), 1,206ppm(growing pigs), 868ppm(fattening pigs), 493ppm(lactating sows) and 185 ppm(gestating sows). Concentration of phenols was 209 ppm(piglet), 166ppm(growing pigs), 127ppm(fattening pigs), 85ppm(lactating sows) and 36ppm(gestating sows). Indoles was 18 ppm (piglet), 14ppm(growing pigs), 8ppm(fattening pigs), 6 ppm (lactating sows) and 4 ppm (gestating sows). Altogether, concentration of odorous compounds was decreased as pigs got aged. (Key words : Pig operation, Volatile organic compound, Volatile fatty acid, Pig slurry, Odor)