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随着市场供求关系的变化,市场价格也随之波动,今年的河蟹价格远不及去年,特别是辽蟹、珠江蟹,因其个小,价格更是低微,而大规格的河解价格依然不菲。在这种情况下,如何提高河蟹养殖效益,是许多水产工作者和养殖专业户而亟待解决的问题。 在池塘鱼蟹混养中,除了合理的投饲,科学的管理外,笔者认为,正确掌握并适用以下几点措施可以更好地提高经济效益。 一是早订苗。在春节前后即可到有关场家进行实地考察论证,预订正宗的纯种长江水系
With the change of market supply and demand, the market price also fluctuates. The price of crabs in this year is much lower than last year, especially the Liaozhai and Zhujiang crabs. Due to their small size, the prices are even lower and the prices of large-scale rivers are still not Philippine. Under such circumstances, how to improve the benefits of crab breeding is a problem that many aquatic workers and breeding professionals urgently need to solve. In pond fish and crab polyculture, in addition to reasonable feeding, scientific management, the author believes that the correct grasp and apply the following measures can better improve economic efficiency. First, early seedlings. Before and after the Spring Festival, you can go to the relevant field to conduct field investigation and demonstration, book the authentic purebred Yangtze River system