Innovation development of dairy cattle breeding in the North-West of the Russian Federation as the basis for enhancing the competitiveness of milk production
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Agropromyshlennyy kompleks i potrebitelskiy rynok Vologodskoy oblasti v cifrah / Departament selskogo hozyaystva, prodovolstvennyh resursov i torgovli Vologodskoy oblasti. – Vologda, 2012. – 84 s.
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Economic comparison between conventional and robotic milking systems in loose-housing cowsheds, Anna- Maija Heikkila, MTT Agrifood Research Finland, Economic Research.