Availability to lactating dairy cows of methionine added to soy lecithins and mixed with a mechanically extracted soybean meal

We evaluated a product containing methionine mixed with soy lecithins and added to a mechanically extracted soybean meal (meSBM-Met). Lactational responses of cows, plasma methionine concentrations, and in vitro degradation of methionine were measured. Twenty-five Holstein cows were used in a replic...

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