Efficient breeding crayfish-crayfish rotten tail disease how to do?

[etiology]

Crayfish are injured, killed each other, or infected by chitin-decomposing bacteria.

[symptoms]

In the early stage of infection, the crayfish tail has water sore, edge fester, necrosis or incomplete. With the deterioration of the disease, ulceration gradually develops from the edge to the middle. When the infection is serious, the whole tail fester and fall off.

[preventive methods]

1) when transporting and releasing seedlings, do not pile up and damage the shrimp.

2) the feed should be fed evenly and fully during the breeding period.

[treatment]

1) sprinkle the whole pool with the extract of 15-20mg/L tea cake.

2) sprinkle it in the whole pool after watering with quicklime 6-8kg per mu. 3) sprinkle water in the whole pool with disinfectants such as strong chlorine, and if the condition is serious, sprinkle it 4 times in a row, each time at an interval of 1 day.

Authentic spot efficient cultivation of crayfish + efficient cultivation of crayfish and disease control techniques aquaculture books lobster culture guide to scientific cultivation of lobster disease prevention and control course Tmall purchase! function () {if (! window.__TEMAI_PARSED) {if (! crayfish PARSEDuring) {if (response to crayfish) App = "app", "var" = "% window.ToutiaoJSBridge) {windowe="% windowJSBridge) Document.write (decodeURI (e))} var t=document.createElement ("script"); t.src = "https://s2.pstatp.com/pgc/v2/pgc_tpl/pagelet/card/click_ccce36d.js",document.body.appendChild(t)}}();"