Mushure meKurume, Imwe nzvimbo inopinda munguva yakareba yekunaya kwemamiriro ekunze, uye tembiricha ichachinja zvakanyanya.

Mumwaka wekunaya, mvura inonaya ichaita prawn & shirmp in stress state, uye inoderedza zvikuru kuramba kwechirwere.

Kuwanda kwezvirwere zvakadai sejejunal emptying, gastric emptying, white spot red body uye mumwe mubvunzo uchavandudza zviripachena.

Ndeapi matambudziko atinofanira kutarisisa mumwaka wekunaya kwemvura?

1. Kuchinja kwekushisa kwemvura.

Kazhinji, tembiricha yemvura inonaya yakadzikira pane yemvura ye shrimp pond, uye musiyano wetembiricha

pakati pavo yakatonyanya kuipa muzhizha.

2.Kushaikwa kweokisijeni mumvura.

kunaya kwemvura kunotungamira mukumisikidzwa kwemvura ine munyu uye yakachena, zvichitadzisa mvura yepasi nepamusoro pemvura.

Oxygen exchange of water, mvura yepasi hypoxia.

3.Mvura inova yakajeka

Kufa kwenhamba yakawanda yealgae haingosvibisi zvakananga madziva e shrimp, asiwo inoita kuti ikure moss,

izvo zvinoita kuti shrimp ive nengozi zvakanyanya.

4.Kuderera kwehutano hwemvura

Kuwedzera kwemakemikari okisijeni kudiwa (COD), kuwedzera kwezvinhu zvinokuvadza senge ammonia nitrogen uye

nitrite mumuviri wemvura, uye jekiseni remvura inonaya, zvichikonzera kudzikira kwepH, uye kudzikira kwemhando yemvura munguva pfupi.