Afirka catfish: namo da kiwo

Lalle ne, duk gani a rumfarsa ta saida Stores a cikin kifi counters marmara catfish. Kuma sosai kamar irin wannan kifi, saboda da nama ne quite m, taushi da kuma dadi. Amma ba kowa ya san cewa wannan kifi na iya zama quite sauki girma a kan nasu, ko kuma a wani kananan kifi gona. A wannan labarin, za mu duba a cikin dokokin waddan da rearing kifi a gona, amma a cikin wannan hanya za ka iya girma catfish for sirri amfani.

catfish

Kullum, da "catfish marmara" - ba quite dama suna ga wannan kifi. A gaskiya ma, ta sunan - Clarias gariepinus (Latin Clarias gariepinus.). Wadannan kifaye su 'yan qasar zuwa Afirka. Ko da a cikin ruwan Sahara iya kama Nile klariasa. A bayyanar shi ne sosai talakawa catfish, ya dogon jiki a ruwan kasa spots yana da wani haske ciki. A rarrabe duk catfish - dogon gashin baki. A Klarius tsaye bakin ramin kamar yadda 4 ma'aurata. Wannan irin kifi ne iya aiwatar da oxygen daga iska ta amfani da nadzhaberny numfashi sashin jiki. A saboda wannan dalili, catfish zo zuwa ga surface kuma tare da cikakken iska. Yana da wannan alama sanya Klarius haka sauki a namo. Babu bukatar samar da shi da ruwa. Haka kuma, daya cubic mita na ruwa za a iya dasa game da 300 kilo live kifi. Hakika, wannan shi ne kawai zai yiwu tare da na yau da kullum kau na faeces.

Ga manyan adadin kifi kana bukatar ka ko dai saya musamman wuraren waha ko sami damar zuwa isasshe manyan jiki na ruwa. Daya daga cikin siffofin da hanyar - da yiwuwar kara yin amfani da dumi ruwa na incubators, wadda take kaiwa zuwa mafi alhẽri sakamakon.

masana'antun

Mafi yawa daga cikin shayarwa - kifi da girma da sauri fiye da wasu. Afirka catfish iya shiga a cikin waddan zuwa 1.5 - 2 years. Mãtan isa jima'i balaga a watanni 6, amma mafi kyau sakamakon da aka samu a cikin shekaru 2 da shekaru.

Yawanci, a lokacin da kiwon waddan iyaye stock kiyaye a cikin mutum tankuna, a cikin abin da ruwa ne warmed zuwa 23-25 digiri Celsius. Hay kera dole ne a hankali a adalci. The gina jiki abun ciki a cikin wani abinci ya kamata a kalla 38%. A ranar masana'antun bukatar cinye abinci akalla 1.5% na da nauyi.

A mafi kyau duka yawan masana'antun a daya rybopriemnike - 100 mutane.

Sake bugun karkashin iko

Mafi sau da yawa domin jima'i high quality kayayyakin, masu kera ta da hormone injections. Kafin farkon gwamnati na hormone da za a rarraba mãtã a cikin daban-daban aquariums ko waha.

2-3 kwanaki kafin a spawning hanya wajibi ne don sa kifi a kan wata yunwa rage cin abinci. Single kashi allura amfani pituitary, da 4.5 MG da kilogram jiki nauyi da kifi.

Afirka catfish kiwo wanda ya yanke shawarar samar da allura, daidai amsa ga «Ovopel». An gudanar da zarar, ta amfani da daya dutsen ado da kilogram na kifi. Wannan shiri da ake amfani a cikin wani nau'i na physiological cakuda. Kafin spawning maza kiyaye a cikin wani kandami.

spawning

Domin nasara maturation qwai dole ne ci gaba da spawning mãtã a cikin ruwa tare da yawan zafin jiki na game da 26 digiri. Cikakken ovulation auku a cikin 12 hr. Bayan da allura na pituitary.

Afirka catfish - quite wani m kifi, don haka don samun qwai mace dole ne a sa barci. Wannan ne yake aikata ta bayar da wani m miyagun ƙwayoyi. Mafi sau da yawa amfani «Propiscin».

Qwai samar da kowane mace dabam. Shi za a yi zatona m idan da taro na qwai ne a kalla 20% by nauyi na musamman mutum. Bayan da mace hanya sanya shi a cikin wani bayani KMnO4na lokaci ne game da sa'a. Da miyagun ƙwayoyi ne a diluted a cikin kudi na 0.5 g ta 100 lita na ruwa.

Milt ga mafi part dauka daga gonads sun kama maza. Inganci maniyyi adana 24 hours at zazzabi na - 4 digiri.

hadi

A sakamakon qwai da aka raba kashi uku. Qwai da daban-daban mãtã ne mafi alhẽri ba Mix. Kowane bautãwarku kamata ku auna nauyi game da 300 grams. Sa'an nan ka ɗauki 3 ml na madara. Yadda ya dace zai zama mafi girma idan madara zai kasance daga daban-daban maza - shi stimulates aiwatar da hadi. Saboda haka, shi ne mafi alhẽri dauki 1 ml na 3 maza. Milt da Roe ƙananan horoshenechko cikin ruwa da kuma stirring for game da minti biyar.

degumming

Da zarar za'ayi hadi, qwai dole ne a da haihuwarki. Domin wannan amfani da tannin bayani. Yana daukan game da 10 grams da lita 10 na ruwa. Don cikakken obeskleit qwai ya kamata a sosai wanke da wani bayani a kasa da dakika 30.

shiryawa

Bayan da qwai obeskleena, shi zai fara a cikin shiryawa da tire a kan wani ɓangare na wani musamman na'urorin. Frames shiryawa dole ne trimmed raga tare da wata raga na game da 0.5 mm. Caviar barsu Grid Layer 1 qwai. Lokacin da ruwa zazzabi ba fi 27 digiri na faruwa zargin larvae. Tun hadi har larvae kara game da 25 hours. The ruwa a tire aka cinye a wani kudi na 10 lita minti daya.

Tsayawa da larvae

Larvae ya kamata a kiyaye a cikin trays ko kananan wuraren waha zuwa resorption da kuma jakar kwai. Na iya zama a kan na farko kwanaki biyu zuwa saka da tsutsa a cikin pool, sa'an nan motsa a cikin trays.

Clarias gariepinus, larvae ya kamata a kiyaye a cikin duhu. Bayan kwanaki uku bayan da karshe resorption da kuma jakar kwai wajibi ne a cire fim, an rufe shi da mold, daga kasa da tire. Idan larvae zama aiki - haka kuma jakar kwai ne gaba daya narkar da.

larval rearing, saukarwa

A lokaci na farko yana for game 3 makonni. Its karshen faruwa a lokacin numfashi Afirka catfish fara oxygen daga yanayi.

Dasa larvae a cikin wannan lokaci ne daidai game da 100 raka'a da lita na ruwa. Ruwa dole ne ko da yaushe a cike da oxygen a cikin pool ya kamata a kafa ta musayar. Ciyar da larvae bukatar decapsulated Artemia ko Tubifex. A mako daga baya a rage cin abinci da aka gudanar fara feed. A lighting ya zama ƙasƙantattu ko da magariba.

A larvae ya bambanta cin naman mutane, don haka da karshen mataki na farko a cikin wata halitta hanya da abun ciki na soya rage wa 25-50 raka'a da lita na ruwa. Sort kifi gaba bukatar a cikin mako guda uku. Irin wannan tsangwama iya cũtar larvae, don haka da kasawa da ya kamata a yi sosai a hankali. Bayan haka, kifi awa bar a cikin kwayoyin bayani.

A mataki na biyu yana game 5 makonni. Yawancin lokaci, wannan sake zagayowar fara da pool cika da kyau ana jerawa larvae. Adadin su ya zama lafiya. 300-500 MG. Larvae dole ne a ana jerawa cikin 2 sassa a kan size.

Mafi sau da yawa soya catfish Afirka zaune saukar, shan la'akari da takamaiman nauyi na kifi da ƙara na pool. A kullum rage cin abinci, zuwa kashi 3 da abinci, ya zama kamar 5% da nauyi na kifi.

A na gaba lokaci ne game da watanni biyu. Kifi a cikin lokaci 130-200 gr kamata ku auna nauyi. fingerling girma kudi dogara a kan da yawa daga dasa. Ga kududdufai na 5 da dubu. Lita dasa yawa ne 2.5 guda da lita. Ruwa zazzabi a cikin kewayon 27 digiri.

A lokacin da na uku mataki na babban abinci ga Afirka catfish - iyo. Ciyar da tsari - sarrafa kansa ko manual. The ruwa dole ne a canza bayan 2 h.

namo

Girma Afirka catfish kafin gabatar šaukar kimanin 50 days daga ranar ƙarshe na uku mataki larvae rearing. A talakawan nauyi na kifi zuwa karshen dukan tsari na iya daukar har zuwa 2 kilo. A wannan lokaci, da Afirka catfish aka located a cikin daruna na da damar game da 10 cubic santimita. A biyu lita na ruwa za a iya dasa ba fiye da 3 kifaye. Wannan hanyar bada game da 400 kilo live kifi da cubic mita na ruwa.

Mafi sau da yawa ciyar da kifaye a wannan mataki iyo feed. A girma daga abinci ne game da 3% daga cikin nauyi na kifi. Ciyar da ita bukatar game 5 sau per day.

Excellent sakamakon za a iya cimma a lokacin da yin amfani da Feeder "reflex". A Feeder na irin wannan ne amfani da 10 murabba'ai na pool yankin.

Manual ciyar da tabbatar da mafi ko da rarraba abinci. Wannan take kaiwa ga bambance da taro na kifi. Afirka catfish kiwo da ya auku a wani sarrafawa hanya, ya nuna wani gagarumin nauyi riba a gwada gajeren lokaci.

Bayan kammala dukkan matakai na kifi ana ana jerawa. Nuna mafi kyau kudi na nauyi riba da kuma ci gaban da mutane da aka bari kara kiwo, da sauran kifin da aka aiko domin aiwatar. Waha da farantansa bayan kiwon kifi wanke da kuma tsabtace har na gaba tsara. Kafin yin amfani da wani sabon bi da tare da wani maganin antiseptik bayani.

Ganin gwada da high talakawan zafin jiki na ruwa zuwa jinsi Afirka catfish ne kawai zai yiwu a kudancin Rasha. A halin yanzu tsunduma a kiwo na catfish a Temryuk gundumar na Krasnodar Abuja.