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Peny KOMBEDI
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Dul lok angeya
Lok angeya ma ki nyutu

Kit me neno kit ma pii tye kwede i yub me gwoko ler ma ki lwongo ni Recirculating Aquaculture

2025-07-18

I yub me gwoko ler ma ki lwongo ni recirculating aquaculture systems (RAS), kit ma ki gwoko kwede ki kit ma ki twero tic kwede rwom me piiobedo jami ma pire tek me neno ni jami makwo ma ki gwoko gi tye ka dongo maber ki medo rwom me gwoko jami ma kwo i pii. Lok me cayan ki tiyo maber neno kit ma pii tye kwedejenge i kom loc maber pa jami ma pire tek. Gin ma lubo ni tito jami ma pire tek ma miite me neno i yub me gwoko pii.

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Jami ma mako kom  

Lyeto ki ngicuobedo gin ma pire tek ma nen. Kit ma kom dano loko kwede, kit ma gi miyo kwede cam, ki kit ma gi dongo kwede jami makwo ma ki pito gi rwate ki lyeto pa pii. Jami makwo ma pat pat ma gi kwo i pii gi tye ki rwom me lyeto ma opore. Ka lyeto pa pii okato rwom man, twero kelo dongo ma ocung onyo too. ma calo, rec ma ki lwongo ni salmon pol kare gi bedo maber pi pii ma lyet ma romo 10-18°C, kun rec ma ki lwongo ni tilapia maro pii ma lyet ma romo 25-32°C.

Yamo ma ki lwongo ni oxygengin ma tye iye bene tye i kin jami ma pire tek. Jami makwo i pii gi jenge i kom yamo ma ki keto i pii me kwo. Ka yamo ma ki lwongo ni dissolved oxygen ni nok tutwal, obi kelo hypoxia i kom jami makwo ma ki pito, ma obi kelo jami ma calo wic ma mol ki to pa yamo. I kom lok, rwom me yamo ma ki lwongo ni dissolved oxygen ma tye i pii me gwoko lee omyera obed ma kato 5mg/L.

Medo ikom meno, lok adaa ki Tbedo i bomame pii omyera ki nen maber. Kit ma ler nen kwede nyutu kit ma lero kato kwede i pii, ma weko jami ma kwo i pii gi dongo; ka pii opong iye twero nyutu ni pii tye ki jami mapol ma ocung, ma balo yweyo pa jami makwo ma ki pito ki rwom me pii.

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Jami ma kwako jami ma ki lwongo ni Chemical  

Ammonia nitrogenobedo gin ma ki lwongo ni chemical parameter ma omyera ki nen maber i yub me gwoko ler ma ki lwongo ni recirculating aquaculture systems. Tur pa jami ma ki kwanyo ki i kom jami makwo ma ki pito gubi kelo ammonia nitrogen, ma tye ki kwiri bot jami makwo ma kwo i pii. tutwale i te jami ma ki lwongo ni alkaline, nitrogen me ammonia obi loko doko ammonia ma pe ki ionic ma kelo peko i kom ler ma ki pito. I kom lok, wel ammonia nitrogen ma tye i pii omyera pe okat 0.5mg/L.

Nitritepe kitwero kwero bene. Nitrite obedo gin ma ki nongo i kin jami ma ki lwongo ni nitrification pa ammonia nitrogen. Obi gudu tero yamo i remo pa jami makwo ma ki dongo, ma obi kelo peko i kom yamo. I kom lok, gin ma ki lwongo ni nitrite omyera ki bed piny ki 0.1mg/L.

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GinpHwel ne bene pire tek. En weko kit ki tic pa jami ma tye i pii ki tic pa jami makwo ma ki dongo. Jami ma ki pito i pii ma pat pat tye ki jami ma mite pi pH ma pat pat. Pol pa jami makwo ma gi kwo i pii maleng gi tye ki pH ma opore ma tye 6.5-8.5.

Ki tye ki alkalinity ki hardness. Alkalinity weny twero gengo alokaloka pa pH pa pii ki gwoko rwom me pii maber; tek pa jami ma kwo i pii ni rwate ki dongo pa cogo pa ler ma kwo i pii, ki rwom ma opore pa alkalinity ki tek pa jami ni konyo me gwoko rwom me kwo pa ler ma kwo i pii.

 

Jami ma kwako kwo pa dano  

Wel kwidi ki kwidi ma kelo two i pii aye gin ma ki keto iye tam i kom jami makwo. Kwidi ma okato kare twero balo pii ki nya pa two; kwidi ma kelo two calo Vibrio twero mako jami makwo ma ki pito, ma kelo two mapol.

Medo ikom meno, kodi ki wel pa lum ma ki lwongo ni plankton mito ni kiket iye tam. Wel ma opore pa phytoplankton twero kelo oxygen kun wok ki i photosynthesis, ki zooplankton twero bedo calo gin ma ki mako pi ler mogo ma ki pito. Ento, nywal ma okato kare onyo dul pa plankton ma pe rwate twero kelo rweny pa rwom me pii ki dwoko piny pa yamo ma ki lwongo ni dissolved oxygen.

Ki neno ki keto cik i kom jami eni, peko me rwom me pii i yub me gwoko rec ma ki dwoko cen twero nonge i kare ma opore, ki yoo ma rwate ki twero kwanyo ne, me yubu kabedo maber pi jami ma kwo ma ki pito, ma weko ki nongo dongo ma twero bedo pi kare malac.