By Mohamed Samer
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Additional info for Abatement Techniques for Reducing Emissions from Livestock Buildings
Extra beneﬁts of an effective odor amendment may offer farmers, in addition to odor and gas emission controls, improved manure handling properties, reduction in 30 3 Emissions Abatement Techniques surface water pollution, and in some cases reduction in the levels of pathogenic bacteria with potential beneﬁt in soil pH adjustment (Wheeler et al. 2011b, c). Manipulating the balance between ammonia and ammonium by lowering the pH value of slurry is another measure to reduce emissions (Stevens et al.
Various nutrients supplied by compost-based media, which are commonly used in agriculture, in addition to the nutrients from exhaust air make supplemental nutrients unnecessary. 8. Pressure drop: the pressure drop is closely related to media type, media depth, moisture content in the media, media pore size, and air flow rate through the media. The pressure drop across the bioﬁlter should be minimized since an increase in pressure drop requires higher blowing power and can result in air channeling through the media.
There is currently no effective mitigation for enteric methane emissions (Cottle et al. 2011). However, more grain in the cattle diet reduces the intensity of enteric methane emissions (Capper 2012). On the other hand, the primary source of ammonia is nitrogen in the feed. The better the nitrogen utilized by an animal, the less the nitrogen will be excreted by the animal. 5 Dietary Manipulation 33 recommended that the exact amount of amino acids in the diet be provided to meet the nitrogen requirements of the animals.