The effectiveness of aerobes used as manure additives for swine manure odor control
Jun Zhu, PhD, EIT
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Objective: To examine the growth of aerobic bacteria in swine manure when used as manure additives for odor control.
Methods: Hydrogen peroxide was used as an oxygen provider added to the test manure at fixed time intervals to enhance the dissolved oxygen level in manure, simulating intermittent aeration.
Results: Adding hydrogen peroxide failed to establish an aerobic environment in the top liquid. The added aerobes could not outgrow the indigenous anaerobes even when the dissolved oxygen levels in the manure were raised for short intervals on a regular basis.
Implications: The frequency of running intermittent aeration in order to maintain an active aerobic flora requires further study. Without enough aeration, the effectiveness of microbial-based manure additives for odor control purposes in actual manure storage systems is questionable.
Keywords: manure, odor, microbes
Cite as: Zhu J. The effectiveness of aerobes used as manure additives for swine manure odor control. J Swine Health Prod 2000;8(1):5-9.
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