Regulations last checked for updates: May 18, 2024

Title 40 - Protection of Environment last revised: May 16, 2024
Appendix - Table JJ-2 to Subpart JJ of Part 98—Waste Characteristics Data
Animal type Typical animal mass
(kg)
Volatile solids excretion rate
(kg VS/day/1000 kg animal mass)
Nitrogen excretion rate
(kg N/day/1000 kg animal mass)
Maximum methane generation potential, Bo
(m 3 CH4/kg VS added)
Dairy Cows604See Table JJ-3See Table JJ-30.24
Dairy Heifers476See Table JJ-3See Table JJ-30.17
Dairy Calves1186.410.300.17
Feedlot Steers420See Table JJ-3See Table JJ-30.33
Feedlot heifers420See Table JJ-3See Table JJ-30.33
Market Swine <60 lbs168.800.600.48
Market Swine 60-119 lbs415.400.420.48
Market Swine 120-179 lbs685.400.420.48
Market Swine >180 lbs915.400.420.48
Breeding Swine1982.600.240.48
Feedlot Sheep259.200.420.36
Goats649.500.450.17
Horses45010.000.300.33
Hens >/= 1 yr1.810.090.830.39
Pullets1.810.090.620.39
Other Chickens1.810.800.830.39
Broilers0.915.001.100.36
Turkeys6.89.700.740.36
source: 74 FR 56374, Oct. 30, 2009, unless otherwise noted.