论文部分内容阅读
大头淡水白鲳的生长潜力匈牙利农业大学的科研人员在回ｚ００ｍ’的池塘中混养了平均体重ｚｓｇ的大头淡水白的（Ｃ～。ｏｖｕｍ），放养比例占４８％，混养草鱼比例占２７％，混养其他鱼类占２５％，进行了１６４天的养殖试验。池塘总放养密度为１２７２０ｈａ／ｈａ。大...
Growing Potential of Big Freshwater Catfish Researchers at Hungarian Agricultural University mixed a large freshwater white (C ~ .ovum) with an average body weight of zsg in ponds back to z00m, with 48% stocking and 27% %, Polyculture other fish 25%, 164 days of breeding trials. The total pond stocking density of 12720ha / ha. Big...