Standard Gross Margin (SGM) of agricultural activities (crops or animal species) is the gross product of the activity (GP) minus corresponding specifc costs directly proportional (standard) (SCD). SGM is unitary (per hectare, per animal) and expressed in RON or Euro. Standard gross margin value for cattle was calculated for two production levels, as follows: for cow's milk - 5000 and 6000 l / head / year, respectively; for young cattle for meat - 950 and 1200 g gain / head / day, respectively. Gross margin share in gross product for milk production of 5000 l / head, is 28.58% and for 6000 l / head increases to 35.53%; for young cattle meet, the share of gross margin in gross product, for the frst variant of growth is 15.48%, the second version is 23.78%.
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