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Contribution to the use of poultry litter in animal production. 2. Ammonification in aqueous medium

, : Contribution to the use of poultry litter in animal production. 2. Ammonification in aqueous medium. Revista Argentina de Produccion Animal 7(2): 135-145

Graded poultry litter (1-mm sieve) in synthetic sacks was suspended in flasks containing supernatant of centrifuged ruminal fluid and artificial saliva 1:1 in anaerobic conditions with carbon dioxide at about pH 7 or nitrogen at pH 8. Ammonia N and changes in pH were estimated after 2, 4 and 8 h. The poultry litter did not affect pH. After 8-h incubation NH4+-N increased from 3.97 and 3.94 to 4.21 and 4.42 micro g/100 micro litre in the presence of CO2 and N2, respectively.

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