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The first milestone in the practical implementation of AA balancing was the publication of the integrated INRA AA formulation system in 1993.
Initially, AA balancing was only thought to have an effect on milk protein. Today a recent summation of 25 production trials in which rations were AA balanced using Adisseo rumen protection technologies shows clearly that AA balancing positively affects milk fat synthesis and protein.
The trial results show an increase of 1.7 kg/day in energy-corrected milk (ECM), +60 g/day in milk protein, and +80 g/day in milk fat, corresponding to average increases of +0.13% and +0.16% in protein and fat content respectively. Trial results have been replicated in commercial dairy farms, but formulation practices will determine how successful the results of AA balancing will be.
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