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Binhai County, Jiangsu Yancheng technical instructors are defying the town red heat subsidies paid to send water regulator --- EM mycelia

August 12, Binhai County town is red technology instructor Xu Lang braved the heat to deep into the demonstration households Xiatangkou guidance services, and distributed water conditioning agent --- EM mycelia.

In the crab breeding demonstration households Liu Bi-jin's Bluff, Xu Lang on the Bluff for the water quality has been measured, and live view of the crab's feeding situation. For the recent hot weather how to do day to day management, it is recommended to take the following measures:

First, keep the water clean. Backward using the first row of the way, changing the water once per 3d, each time you change 1/4-1/3 water, water, water level control in the 1.2-1.5m or so. Changing the water can maintain the water temperature below 28 ℃, dissolved oxygen increased, to prevent precocious crab, crab promote rapid growth, prompting the crab shell. Pay attention inside and outside the pool water temperature can not be too large, changing the water during molting speed not too fast, so as not to cause too strong stimulation crab. Use half a lime on the water quality in order to maintain the pH between 7.5-8.5.

Second, note that the feed ration. Adhere to the "four" feeding policy, according to the situation feeding. Increasing the hot season forage fed to prevent crab precocious puberty. Particles can be made ??to improve soybean feed material, shavings, corn, wheat rate, also increase amount of pumpkin, plants and other plants feed. Including beans, wheat is best for aging treatment to improve its utilization.

Third is to strengthen the daily management. Disease prevention and treatment to prevention. Daily Xuntang discover unforeseen circumstances, such as found dead crabs, moss and other fish immediately and properly handle; in more precipitation, the ridge to prevent seepage pools, collapse and crab escape; while preventing frogs, rats and other predators invasion.
 


time:2016-10-21
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