Trà Vinh Province clam breeding co-operatives receive ASC certificate stockbot 0 349 2023.03.19 17:34 https://vietnamnews.vn/economy/1499938/tra-vinh-province-clam-breeding… + 1 https://vietnamnews.vn/rss/economy.rss + 4 Three clam farming co-operatives in Trà Vinh Province with a total area of 433ha have been awarded the Aquaculture Stewardship Council quality certification.