peji_banner

Basa rezvizhinji zvakajairwa zvemuviri uye makemikari zviratidzo mune aquaculture

Basa rezvizhinji zvakajairwa zvemuviri uye makemikari zviratidzo mune aquaculture

aquaculture1

 

Sekutaura kuri kutaura, kupfuya hove kunotanga kusimudza mvura, izvo zvinoratidza kukosha kwenzvimbo yemvura mukurima kwemvura.Mukuita kuberekesa, mhando yemhando yemvura yemvura inotongwa zvakanyanya nekuona zviratidzo zvakati kuti pH kukosha, ammonia nitrogen, nitrite nitrogen, sulfide uye okisijeni yakanyungudika.Naizvozvo, zvakakosha kuti unzwisise basa rezviratidziro zvemuviri uye zvemakemikari zvinoverengeka mumvura.

 aquaculture2

1.pH

Acidity uye alkalinity chiratidzo chakazara chinoratidza kunaka kwemvura, uye zvakare chinhu chakakosha chinokanganisa hutano hwehove.Kudzidzira kwakaratidza kuti pH yenzvimbo yakakwana yemvura yekukura kwehove iri pakati pe7 ne8.5.Kunyanya kukwira kana kuderera kunokanganisa kukura kwehove uye kutokonzera kufa kwehove.Hove mumvura ine alkaline ine pH yakakwirira kudarika 9.0 ichatambura nealkalosis, uye ichaita kuti hove dzibudise mazamu akawanda, izvo zvinokanganisa kufema.Iyo pH yakakwira kupfuura 10.5 inokonzeresa kufa kwehove.Mumvura ine acidic ine pH yakaderera kupfuura 5.0, ropa rehove rinotakura okisijeni rinoderedzwa, zvichikonzera hypoxia, dyspnea, kuderedzwa kwekudya, kuderera kwekudya kwekudya, uye kunonoka kukura.Mvura ine acid inotungamirirawo kune nhamba huru yehove dzehove dzinokonzerwa neprotozoa, dzakadai sesporozoites uye ciliates.

2.Doksijeni yakanyungudutswa

Kunyungudutswa kweoxygen concentration ndiyo inonyanya kuratidza kunaka kwemvura yemvura, uye oksijeni yakanyungudutswa mumvura yemvura inofanira kuchengetwa pa5-8 mg / L.Okisijeni yakanyungudika isina kukwana inogona kukonzera misoro inoyangarara, uye mumatambudziko akaomarara, inokanganisa kukura kwehove uye inokonzera kufa kwepani-madziva.Kuwanda kweokisijeni yakanyungudika mumuviri wemvura kunokanganisa zvakananga zviri mukati mechepfu mumvura.Kuchengeta okisijeni yakakwana yakanyungudika mumuviri wemvura kunogona kuderedza zviri muchepfu senge nitrite nitrogen uye sulfide.Okisijeni yakanyungudika yakakwana mumvura inogona kuwedzera kusadzivirirwa kwezvinhu zvekubereka uye kuwedzera kushivirira kwavo kune dzakaipa nharaunda.

1.Nitrite nitrogen

Zvinyorwa zve nitrite nitrogen mumvura zvinodarika 0.1mg/L, izvo zvinokuvadza zvakananga hove.Iyo inodziviswa nitrification reaction yemvura ndiyo yakananga chikonzero chekugadzirwa kwenitrite nitrogen.Iyo nitrification reaction yemvura nitrifying mabhakitiriya inokanganisa tembiricha, pH uye yakanyungudika okisijeni mumvura.Naizvozvo, iyo nitrite nitrogen yemukati mumvura yakabatana zvakanyanya nekushisa kwemvura, pH uye yakanyungudika oksijeni.

2. Sulfidi

Kutyisa kwe sulfide kunonyanya kureva kuchetura kwehydrogen sulfide.Hydrogen sulfide chinhu chine muchetura zvakanyanya, kudzika kwakadzika kunokanganisa kukura kwezvinhu zvemumvura, uye kuwanda kwakanyanya kunotungamira kune chepfu uye kufa kwezvinhu zvemumvura.Kukuvadza kwehydrogen sulfide kwakafanana neye nitrite, kunyanya kukanganisa kushanda kweokisijeni yeropa rehove, zvichikonzera hypoxia yehove.Kuwanda kwehydrogen sulfide mumvura yemvura kunofanirwa kudzorwa pasi pe0.1mg/L.

Naizvozvo, kunyatsobata zvinhu izvi zvekuyedzwa, kuita bvunzo dzenguva dzose, uye kutora matanho anoenderana nenguva kunogona kuvandudza zvakanyanya huwandu hwekupona kwehove uye shrimp uye kuderedza mutengo wekubereka.

T-AM Aquaculture Portable Colorimeter

ss1


Nguva yekutumira: Jan-12-2022