Lembe ma jutiyo kudu pi gwoko leng pa pii i yore mi gwoko pii i pii
I recirculating aquaculture systems (RAS), bedo maber man bedo maber pa ber pa piiubedo piny ma pire tek mi neno ni dongo maber pa lei ma jupito man mi medo kero pa aquaculture. Lembe mi ngec man ma tiyo maber ngiyo ber pa piigeno ikum yub maber pa piny ma pire tek. Lembe ma e piny e nyuthu lembe ma pire tek ikum kite ma pii utiye kudu ma umitu jubed ka lubo tokgi i recirculating aquaculture systems.
Piny ma nen
Lyethoutiye piny ma pire tek. Metabolism, kadhiri pa cam, man kadhiri pa dongo pa lei ma jucul gi rwate ku lyethu pa pii. Kit lei ma kwo i pii matung tung gitiye ku rwom mi lyethu ma rwate. Ka lyethu pa pii ukadhu rwom eni, ecopu telu dongo ma ucungo nyo kadi tho. Ku lapor, rec salmon pol kare ber pi pii ma ngic pa 10-18°C, ento tilapia maru pii ma ngic pa 25-32°C.
Oxygen ma olinglembe ma iye de ubedo acel ikin piny ma pire tek. Ley ma kwo i pii gikwo ku yamu ma nyai i pii pi kwo. Ka oxygen ma jucwinyo ubedo nok, ebi kelo hypoxia i lei ma jucul, ma bi kelo lembe macalo wic ma mol iwi pii man tho pa yuyu. Pol kare, oxygen ma juyiko i pii mi aquaculture umaku ubed malu pa 5mg/L.
Mi medo, bedo maleng man Turbiditypa pii mitire ni jubed ka gwoko. Lero nyuthu ler ma wok kud i pii, ma nyayu alokaloka i photosynthesis pa yen ma kwo i pii; turbidity madwong copo nyutho nia pii utiye ku piny madwong ma ucungo iwi pii, ma copo nyayu peko i yuyu pa lei ma jucul man bedo maber pa pii.
Lembe ma mako kemikol
Ammonia nitrogenutiye piny ma pire tek ma umitu jubed ka gwoko maber i yore mi gwoko lei i pii. Nyoth pa ic man cam madong pa lei ma jupito bi kelo ammonia nitrogen, ma rac ni lei ma kwo i pii. Mapire tek i thenge mi alkaline, nitrogen mi ammonia bidoko ammonia ma rac ma epe ku ionic, ma nyayu ret ikum ic man dul kum pa lei ma jucul. Pol kare, ammonia nitrogen ma nwangre i pii ucikere ngo kadhu 0.5mg/L.
Nitritede ecopu bedu ma juweko ngo. Nitrite ubedo piny ma wok ikind nitrification pa ammonia nitrogen. Ebi nyayu peko i tero oxygen i rimo pa lei ma jucul, ma bi kelo hypoxia i kum. I ayi ma rwinyo, kadhiri pa nitrite umaku ubed piny 0.1mg/L.
KupHberu de piretek. Etimo aloka loka ikum kit man tic pa piny ma tiyo ku kemikol i pii man tic pa piny ma kwo ma jupito. Kit lei matung tung ma jugwoko i pii gitiye ku yeny matung tung pi pH value. Pol pa lei ma kwo i pii maleng utiye ku pH maber ma romo 6.5-8.5.
Man de alkalinity man hardness utiye. Alkalinity ceke copo juku aloka loka pa pH pa pii man gwoko leng pa pii; tek pa piny utiye ku winjiri ku dongo pa cogo pa lei ma kwo i pii, man rwom maber pa alkalinity man tek pa piny konyo ni gwoko rwom pa piny ma kwo i pii.
Lembe ma mako kwo
Wel pa bacteria man bacteria ma nyayu two i pii utiye piny ma pire tek pi lubo tok lembe pa kwo. Bacteria madwong copo nyayu ret pa pii man nyai pa two; bacteria moko ma nyayu two calu Vibrio copo mako lei ma jucul, man kelo two madongo.
Mi medo, kit man wel pa plankton mitu juketh wigi ikumgi. Wel pa phytoplankton ma romo ecopu wodhu oxygen nikadhu kud i photosynthesis, man zooplankton ecopu bedu calu cam pa lei moko ma jupito. Ento, nyai madwong nyo kit plankton ma rwinyo ngo copo telu rwom pa pii man rwinyu pa dissolved oxygen.
Ni kadhu kud i lubo tok lembe eni, peko mi leng pa pii i yore mi gwoko pii i pii copo nwangire i kare, man yore ma rwate copo bedu pi dwoko piny, mi cwio kabedo maber pi kwo pa lei ma kwo i pii, man kumeno kelo dongo maber mi gwoko pii i pii.