The challenge of reducing ammonia emissions from dairy farming involves a number of trade-offs which have to be successfully resolved e.g. reducing protein in the ration vs. optimising health and productivity; reducing losses during manure application vs. the additional cost of low emission spreading techniques; reduced emissions from housing or manure storage vs. the cost and practicality of adjusting farm infrastructure. Fortunately, science and practice can be combined to address these issues, with measurable improvements evident on implementing dairy farms.

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