Livestock and poultry excretion emission(reference) The amount of fecal excretion of livestock and poultry is related to many factors such as animal species, variety, sex, growth period, feed and even weather. Tables 1 and 2 list the daily emission factors and annual discharges of livestock manure. Table 1 Daily excretion of livestock manure and its … Continue reading Livestock and poultry excretion emission