Crayfish - yadda ake kama kifi a kan crayfish, baits, inda za a kama

Cancer (Astacus astacus), ko crayfish na kowa, yana cikin tsari na decapod crustaceans (Decapoda). Na gaba biyu na gaba yana haɓaka sosai kuma yana ƙarewa da farauta, wanda crayfish ya kama ganima da kare kansa. Na gaba nau'i-nau'i huɗu na ƙananan gaɓoɓin da ba su ci gaba ba don motsi ne. A ƙarƙashin harsashin wutsiya akwai ƙarin nau'i-nau'i guda biyar na gajerun gaɓoɓin gabbai. Biyu na gaba an haɓaka su a cikin maza zuwa doguwar al'aurar tubular. A cikin mata, gaɓoɓin da suka dace sun kusan atrophied. Za a iya tabbatar da jima'i na matasa crayfish a gani kawai ta kasancewar ko rashin gabobin al'aurar tubular. Jima'i na manya crayfish ya fi sauƙi don tantancewa ta hanyar kwatanta farjin su da wutsiya: ƙullun maza sun fi girma, kuma wutsiya na mace ya fi na mutum kishiyar jinsi. Faɗin wutsiya na mace yana kare ƙwai yayin da suke tasowa a ƙarƙashin wutsiya, a haɗe zuwa gajerun ƙafafu. Buɗewar al'aura a cikin mata yana samuwa a gindin kashi na uku na ƙafafu, kuma a cikin maza - a gindin kashi na biyar.

Wuri da salon rayuwa

Ciwon daji sun fi ban sha'awa dangane da muhalli fiye da yadda mutane da yawa ke tunani. Dole ne ruwan da suke zama ya zama sabo; crayfish ba zai iya haifuwa a cikin ruwan teku mai gishiri ko mai gishiri. Abubuwan da ke cikin iskar oxygen a cikin kifin ruwa yana buƙatar iri ɗaya da kifin salmon. Don rayuwar al'ada na crayfish a cikin lokacin dumi, dole ne ruwa ya ƙunshi oxygen sama da 5 mg / l. Crayfish na iya rayuwa a cikin ruwa mai haske da duhu, muddin ba shi da yawan acidity. Ƙimar pH na ruwa mai kyau don rayuwar crayfish ya kamata ya kasance sama da 6,5. Girman kifin crayfish a cikin ruwan lemun tsami yana raguwa. Crayfish suna da matukar damuwa ga gurɓataccen ruwa. Idan yanayin rayuwa yana da kyau, to, crayfish na iya rayuwa a cikin ruwa mai tsabta iri-iri - tafkuna, koguna, tafkunan oxbow da koguna. Duk da haka, da alama cewa mafi so mazaunin crayfish ne har yanzu koguna.

A cikin wuraren zama na crayfish, kasan tafki ya kamata ya zama mai ƙarfi kuma ba tare da silt ba. A kasa mai laka, haka kuma a bakin tekun dutse ko yashi, haka nan kuma a cikin ruwa maras misaltuwa mai lebur, kasa mai tsafta, ba a samun kifin crayfish, tunda ba za su iya samun matsuguni da kansu ba ko kuma su tono shi. Crayfish na son gindin dutse inda za su iya samun matsuguni cikin sauki, ko gindin da suka dace da burrowing. Ana samun burrows na crayfish a cikin ramukan bakin teku ko a cikin gangaren bakin teku. Mafi sau da yawa suna located a kan iyakar wuya da taushi kasa. Mafita daga ramin, hanyar da tsawonsa zai iya wuce mita, yawanci ana ɓoye ne a ƙarƙashin gangar jikin bishiyar da ta faɗi, saiwar bishiya ko ƙarƙashin duwatsu. Ramin crayfish yana da kusanci sosai, an haƙa shi gwargwadon girman mazaunan, wanda ya sauƙaƙa wa crayfish don tsara kariya daga harin manyan ’yan’uwa. Ciwon daji ke da wuya a fitar da shi daga cikin ramin, da kyar ya manne bangonsa da gabobinsa. Cewa ana zaune a cikin burrow ana nuna shi ta sabon ƙasa a ƙofar. Ciwon daji yana rayuwa a zurfin 0,5 zuwa 3,0 m. Mafi kyawun wurare don gidaje suna kama manyan mazaje, waɗanda ba su dace ba sun rage ga maza da mata masu rauni. Yara kanana suna zama a cikin ruwa mara zurfi kusa da bakin tekun kanta, karkashin duwatsu, ganye da rassan.

Ciwon daji a cikin hanyar rayuwarsa shine maƙarƙashiya. Kowane mutum yana da wani nau'i na tsari wanda ke ba da kariya daga dangi. A cikin sa'o'in hasken rana, kifin ya kasance a cikin tsari, yana rufe hanyar zuwa gare shi da farata. Yana jin haɗari, da sauri ya ja da baya, ya zurfafa cikin rami. Crayfish yana fita don neman abinci a maraice, kuma a cikin yanayin girgije - da rana. Yawancin lokaci yana motsawa cikin ruwa da daddare tare da mika farantansa gaba kuma jelarsa ta mike tsaye, amma idan ya tsorata, zai yi sauri ya sake ninkaya tare da bugun wutsiya mai karfi. An yi imani da cewa ciwon daji yana zama wuri guda. Koyaya, bayan 'yan makonni, kifin da aka yiwa alama ya faɗi cikin kayan ɗaruruwan mitoci daga wuraren da aka yi musu alama.

Girmancin

Yawan girma na crayfish ya dogara da farko akan zafin jiki da abun da ke cikin ruwa, wadatar abinci da yawan kifin crayfish a cikin tafki. Yawan girma na crayfish a cikin tafki daban-daban ya bambanta. Amma ko da a cikin tafki daya shekara bayan shekara ba lallai ba ne, da yawa ya dogara da yawan zafin jiki na ruwa. A lokacin bazara na farko da na biyu na rayuwa, maza da mata suna da girma iri ɗaya, amma a ƙarshen bazara na uku, ko shekara ta biyu ta rayuwa, maza sun riga sun fi mata girma. A cikin yanayin kudancin Finland, crayfish ya kai tsayin 1,4-2,2 cm a ƙarshen lokacin rani na farko, 2,5-4,0 cm a ƙarshen lokacin rani na biyu, da 4,5-6,0. 10 cm zuwa ƙarshen bazara na uku. Girman da aka yarda don kamawa (6 cm) ya kai ga maza a cikin shekaru 7-1, mata a cikin shekaru 8-XNUMX. A cikin ruwaye da isasshen abinci don kifin kifi da kuma ƙarƙashin wasu yanayi masu kyau, kifin kifi zai iya kai girman da aka ba da izinin kamun kifi shekaru biyu kafin lokacin da aka nuna, amma a ƙarƙashin yanayi mara kyau - bayan shekaru da yawa.

Mutane sukan tambayi yadda babban kifi zai iya girma. Mashawarcin Kifi Brofeldt a shekara ta 1911 ya lura cewa a garin Kangasala akwai samfurori masu tsayin su 16-17 cm, duk da haka ana kama irin wannan kifin da ƙasa. Suomalainen ya ruwaito cewa kifin mai tsayin 1908-12,5 cm da aka kama a cikin 13 matsakaicin samfurori ne. Waɗannan shaidu suna kama da tatsuniyoyi a gare mu - kifin crayfish bai kamata ya zama babba ba. A cikin 1951, mujallar Seura ita ce mai shirya gasar - wanda zai kama kifi mafi girma a lokacin rani. Wanda ya ci nasara shi ne dan takarar wanda ya kama kifi mai tsayi 17,5 cm, har zuwa ƙarshen kambori - 28,3 cm, yana auna 165 g. Crayfish yana da katsa guda ɗaya kawai, wanda ke bayyana ƙarancin nauyinsa. Ana iya la'akari da abin mamaki cewa macen ta zama babban ciwon daji. A wuri na biyu shi ne namiji, wanda tsawonsa ya kasance 16,5 cm, kuma zuwa tukwici na claws - 29,9 cm. Wannan samfurin yana auna 225 g. Sauran misalan kifin da aka kama 17,0-17,5 cm tsayi an san su daga wallafe-wallafen. Yana da ban sha'awa a lura cewa, a cewar masanin kimiyar Estoniya Järvekulgin, kifin namiji sama da 16 cm tsayi da nauyin 150 g, da kifin mace sama da 12 cm tsayi kuma yana auna 80-85 g, ba su da yawa. Babu shakka, macen da aka kama a Finland a cikin 1951 ana iya ɗaukarta a matsayin giants.

Me game da shekarun kaguwa? Har yaushe kaguwa ke rayuwa? Ya zuwa yanzu, babu wata ingantacciyar hanya don tantance shekarun kifin, kamar yadda ake tantance shekarun kifin. Tsawon rayuwar mutane na crayfish an tilasta shi a ƙayyade ta hanyar kwatanta ƙungiyoyin shekaru ko kungiyoyin crayfish masu tsayi iri ɗaya. Saboda wannan, ba shi yiwuwa a ƙayyade daidai shekarun manyan samfurori guda ɗaya. Akwai bayanai a cikin wallafe-wallafe game da ciwon daji da suka kai shekaru 20.

Molting

Crayfish yana girma, kamar yadda yake, a cikin tsalle-tsalle da iyakoki - lokacin maye gurbin harsashi. Molting wani muhimmin lokaci ne a cikin rayuwar crayfish, a wannan lokacin akwai cikakkiyar sabuntawa ga gabobin su. Baya ga murfin chitinous, ana sabunta duka saman Layer na retina da gills, da kuma na sama mai kariya na appendages na baka da sassan gabobin narkewa. Kafin molting, crayfish yana ɓoye na kwanaki da yawa a cikin raminsa. Amma molt kanta yana faruwa ne a buɗaɗɗen wuri, ba cikin rami ba. Maye gurbin harsashi yana ɗaukar kusan mintuna 5-10 kawai. Sa'an nan kuma ciwon daji wanda ba shi da kariya yana toshe har tsawon mako guda ko biyu, yayin taurin harsashi, a cikin tsari. A wannan lokacin, ba ya cin abinci, baya motsawa, kuma, ba shakka, ba ya fada cikin kaya.

Gishiri na Calcium yana fitowa daga jini zuwa cikin sabon harsashi kuma yana ciki. Kafin molting, sun taru a cikin sifofi biyu masu ƙarfi waɗanda aka samu a cikin kifin da ke cikin ciki. Wani lokaci lokacin cin ciwon daji, ana iya gano su.

Moulting yana faruwa ne kawai a lokacin dumi. A lokacin rani na farko na rayuwa, ciwon daji yana raguwa sau 4-7, dangane da yanayin girma, a lokacin rani na biyu - sau 3-4, a lokacin rani na uku - sau 3 kuma a cikin rani na hudu - sau 2. Manya maza suna molt sau 1-2 a kakar, kuma matan da suka isa balaga, a matsayin mai mulkin, sau ɗaya. Kusa da kan iyakar arewa na rarraba kifin, wasu mata suna raguwa a kowace shekara ta biyu.

Molting na maza, da kuma matan da ba su da ƙwai a ƙarƙashin wutsiya, yana faruwa a ƙarshen Yuni; mata dauke da ƙwai - kawai lokacin da tsutsa suka fito daga cikin ƙwai kuma suka rabu da uwa. A kudancin Finland, irin waɗannan matan kan canza harsashi a farkon watan Yuli, kuma a arewacin Finland, molt ɗin su ya wuce zuwa watan Agusta.

Idan farkon lokacin rani yayi sanyi, molt ɗin na iya ɗaukar makonni da yawa. A irin waɗannan lokuta, lokacin da lokacin kamun kifi ya fara (daga Yuli 21), harsashi bazai yi ƙarfi ba tukuna, kuma crayfish ba zai fada cikin kayan aiki ba.

Sake bugun

Crayfish na namiji ya kai girman jima'i a kusan 6-7 cm, mata - 8 cm. Wani lokaci akwai mata masu tsayi cm 7, suna ɗauke da ƙwai a ƙarƙashin wutsiyarsu. Maza a Finland sun kai shekarun jima'i a shekaru 3-4 (daidai da lokutan shekaru 4-5), da mata a cikin shekaru 4-6 (daidai da shekarun 5-7).

Ana iya tantance balagaggen jima'i na crayfish ta hanyar ɗaga harsashin bayansa a hankali. A cikin namiji wanda ya kai shekarun balaga, ana iya ganin curls na fararen tubules a cikin wutsiya a ƙarƙashin "fata" na bakin ciki. Farin launi na tubules, wanda a wasu lokuta ana kuskuren kamuwa da cuta, yana faruwa ne saboda ruwan da ke cikin su. A ƙarƙashin harsashi na mace, ana iya ganin ƙwai, wanda ya bambanta daga kodan orange zuwa launin ruwan kasa-ja, ya danganta da girman girman su. Hakanan ana iya tabbatar da balaga na mace ta hanyar fararen ɗigon da ke gudana a kan ƙananan ƙwalwar wutsiya. Waɗannan su ne ƙwayoyin mucosa waɗanda suke ɓoye wani abu da su ke haɗa ƙwai da gaɓoɓin wutsiya.

Crayfish mating yana faruwa a cikin kaka, a cikin Satumba-Oktoba. Crayfish baya taruwa, kamar kifi, don filaye masu haifuwa, hadinsu yana faruwa a wuraren da suka saba. Namijin yana juya mace a bayanta da manyan farata kuma ya makala spermatophores a buɗaɗɗen al'aurar mace a cikin sigar farar tabo mai siffar triangular. Bayan 'yan kwanaki, ko ma makonni, macen da ke kwance a bayanta, ta yi ƙwai. A cikin yanayin Finnish, mace takan kwanta daga 50 zuwa 1 qwai, kuma wani lokacin har zuwa 50. Kwai ba sa rabuwa da mace, amma sun kasance a cikin nau'in gelatinous wanda glandon ta ya ɓoye.

A ƙarƙashin wutsiya na mace, qwai suna tasowa har zuwa farkon lokacin rani na gaba. A lokacin hunturu, adadin ƙwai yana raguwa sosai saboda asarar injiniyoyi da kamuwa da cututtukan fungal. A kudancin kasar Finland, tsutsa ta haihu a farkon rabin Yuli, a arewacin kasar - a cikin rabin na biyu na Yuli, dangane da zafin jiki na ruwa a farkon lokacin rani. Larvae sun riga sun kai 9-11 mm tsayi lokacin da suke fitowa daga ƙwai kuma suna kama da ƙananan crayfish. Amma bayansu ya fi convex kuma yana da faɗi sosai, kuma wutsiya da gaɓoɓinsu ba su da girma fiye da samarin kifi. Larvae na zama na kimanin kwanaki 10 a ƙarƙashin wutsiya uwar har sai sun shayar da gwaiduwa mai launin ja zuwa ƙarshe. Bayan haka, sun rabu da mahaifiyarsu kuma suka fara rayuwa mai zaman kanta.

Food

Cancer – wani omnivore. Yana ciyar da tsire-tsire, kwayoyin halitta, suna cinye har ma da dangi, musamman waɗanda suka ɓata ko kuma sun zubar don haka ba su da kariya. Amma babban abinci har yanzu kayan lambu ne, ko kuma a cikin shekarun farko na rayuwa, kifin crayfish yana ciyar da ƙwayoyin ƙasa kuma a hankali ya canza zuwa shuka abinci. Babban abinci shine tsutsa na kwari, musamman ma sauro masu tsutsawa, da katantanwa. Yara masu shekara daya suna son cin plankton, ƙuman ruwa, da sauransu.

Ciwon daji ba ya kashe ganimarsa ko gurgunta shi, amma, ya rike shi da farauta, yana cizonsa, yana cizon baki da kaifi guda. Matashin kansa na iya cin tsutsa sauro da yawa santimita tsawon kusan mintuna biyu.

Akwai ra'ayi cewa ciwon daji, cin caviar da kifi, yana cutar da masana'antar kifi. Amma wannan bayanin ya dogara ne akan zato fiye da gaskiya. Tun farkon karnin da muke ciki, TX Yarvi ya yi nuni da cewa, a cikin wuraren da aka fara shigar da kifi kifi, adadin kifin bai ragu ba, kuma a cikin tafkunan da annobar ta lalata kifin, adadin kifin bai karu ba. Babu wani daga cikin kifin crayfish 1300 da bincike ya kama daga kogunan biyu da ya ci kifin, duk da cewa akwai da yawa daga cikinsu da kuma mafi bambancin. Ba ciwon daji bane amma yana iya kama kifi. Motsin sa na jinkirin yaudara ne, yana iya saurin kama ganima da farata. Wani ɓangaren kifin da ba shi da mahimmanci a cikin abincin crayfish a fili yana faruwa ne saboda gaskiyar cewa kifin ba ya yin iyo kusa da wuraren zama na crayfish. Rashin aiki, rashin lafiya ko kifin da ya ji rauni, ciwon daji, ba shakka, yana iya cin abinci da yawa kuma yana tsaftace ƙasan tafki daga matattun kifi.

Maƙiyan crayfish

Ciwon daji yana da makiya da yawa tsakanin kifaye da dabbobi masu shayarwa, ko da yake yana da kariya da harsashi. Eel, burbot, perch da pike suna son cin crayfish, musamman a lokacin molt. Eel, wanda zai iya shiga cikin ramin crayfish cikin sauƙi, shine maƙiyi mafi haɗari na manyan mutane. Ga matasa crustaceans da ke zaune a cikin ruwa na bakin teku, mafi haɗari mafarauci shine perch. Larvae da ƙananan kifin crayfish suma ana cin su ta hanyar roach, bream da sauran kifayen da ke ciyar da ƙwayoyin ƙasa.

Daga cikin dabbobi masu shayarwa, mashahuran abokan gaba na crayfish sune muskrat da mink. A wuraren ciyar da waɗannan dabbobi, kusa da gaɓar tafkunan, za ku iya samun sharar abinci mai yawa - crustacean shells. Kuma duk da haka, mafi yawan duka, ba kifaye da dabbobi masu shayarwa ke lalata crayfish ba, amma annoba ce ta crayfish.

kama kifi kifi

An san cewa an riga an kama kifi kifi a zamanin da. Har zuwa tsakiyar zamanai, ana amfani da su don dalilai na magani. An shawarci tokar kifin da aka kona a yayyafa wa raunukan da suka samu daga cizon kare, maciji da kunama. Akwai kuma dafaffen kifin da aka rubuta don dalilai na magani, misali, tare da gajiya.

Daga wallafe-wallafen tarihi an san cewa a gidan sarauta na Sweden riga a cikin karni na XNUMX. ya ba da cancantar kima na dandano crayfish. A dabi'a, masu daraja a Finland sun fara yin koyi da sarauta na sarauta. Makiyayan sun kama kuma suka kai kifin ga manyan mutane, amma su da kansu sun bi da “dabba mai sulke” da rashin yarda sosai.

Lokacin kamun kifi a Finland yana farawa ne a ranar 21 ga Yuli kuma yana ci gaba har zuwa ƙarshen Oktoba. Fara daga rabi na biyu na Satumba, ana rage kama. A aikace, ana dakatar da kama kifi na 'yan makonni kafin a hana, saboda a ƙarshen kaka naman crayfish ya rasa dandano, kuma harsashi yana da wuya.

Crayfish kama a farkon kakar yana dogara ne da zafin ruwa. Idan watan Mayu da Yuni suna dumi kuma zafin ruwa ya yi yawa, to, molting na maza da mata duka sun ƙare kafin farkon lokacin kamun kifi. A wannan yanayin, kamawa suna da kyau daga farkon. A lokacin rani mai sanyi, molting na iya zama a makara, kuma crayfish fara motsawa bayan taurin harsashi kawai a ƙarshen Yuli. A matsayinka na mai mulki, a kudancin Finland a farkon kakar wasa, ana kama kifi mafi kyau fiye da arewacin, inda molting na crayfish ya faru daga baya.

Hanyoyin kamun kifi da kayan aiki

Dangane da fadada kamun kifi tare da raga, sauran hanyoyin kama kifi sun kasance a baya ko kuma an manta da su gaba ɗaya. Duk da haka, ana iya kama crayfish ta hanyoyi da yawa, waɗanda ba su da sauƙi, amma suna da ban sha'awa ga masu son.

Kama da hannu

Kama crayfish da hannuwanku shine mafi asali kuma, a fili, hanya mafi tsufa. Mai kamawa yana motsawa a hankali a cikin ruwa kuma yana kallon ƙarƙashin duwatsu, kututturen bishiyoyi, yana ɗaga rassan da crayfish ke ɓoye a cikin rana. Da yake lura da ciwon daji, yana ƙoƙarin kama shi tare da motsi mai sauri har sai ya ɓoye a cikin tsari ko kuma ya gudu. A dabi'a, wannan hanyar kamun kifi ba ta dace da waɗanda ke jin tsoron ƙwanƙwasa ba. Mafi girman kama yana faruwa a cikin duhu, lokacin da kifin da ya bar matsugunin su ana iya kama su ta hanyar haskaka ƙasan tafki da fitila. A zamanin da, ana kunna wuta a bakin tekun don lallashin kifi. A cikin irin wannan hanya mai sauƙi, kusa da bakin teku a kan ƙasa mai dutse, inda akwai kifi da yawa, za ku iya kama daruruwan su.

Kuna iya ɗaukar crayfish da hannuwanku kawai idan zurfin ruwa bai wuce 1,5 m ba. Don kama kifi mai zurfi a cikin ruwa mai zurfi, da kuma a cikin tafki tare da ruwa mai tsabta a zurfin ko da mita da yawa, ana amfani da abin da ake kira mites crayfish a Finland. Wadannan pincers na katako cikin sauƙin kamawa da fitar da crayfish daga cikin ruwa. Ticks na iya zama tsayin mita ɗaya zuwa da yawa. Don hana mites daga cutar kansa, ana iya sanya su cikin rami.

Na'urar da ta fi sauƙi ita ce itace mai tsayi, a ƙarshensa an yi tsaga, kuma an fadada shi da ƙaramin dutse ko katako. Ba shi yiwuwa a cire crayfish daga cikin ruwa tare da irin wannan sanda, an danna shi kawai zuwa kasa sannan kuma ya tashi da hannu. Kama da kaska yana buƙatar fasaha mai girma, tun da crayfish, da zarar sun fahimci haɗari, gudu da sauri. Saboda jajircewarsu, Finn ba sa amfani da kaska a matsayin kayan aikin kamun kifi, kuma ba a yi amfani da su ba. Rashin farin jinin wannan hanyar kamun kifi,. A bayyane yake, an kuma haɗa shi da gaskiyar cewa a cikin ruwan duhu na tafkunan Finnish yana da wuya a lura da ciwon daji, kuma idan tafki ya ɗan yi zurfi fiye da mai zurfi, to ba zai yiwu a gan shi ba.

Kamun kifi a karkashin ruwa shima yana cikin wannan hanyar girbi kifi kifi. Yana buƙatar tabarau na musamman da bututun numfashi. Ana iya fitar da Crayfish daga ramuka tare da safofin hannu ko tattara daga kasa da dare. Lokacin nutsewa da dare, dole ne ku kasance da fitilar toci, ko kuma dole ne abokin tarayya ya haskaka ƙasa daga tudu ko jirgin ruwa. Ko da yake mai nutsewa ya kama kusa da gaɓar, hadura iri-iri koyaushe suna jiran sa. Don haka, ana ba da shawarar cewa abokin tarayya ya kasance a bakin teku kuma ya lura da yadda ake ci gaba da kamun kifi.

Misalin kama hannu a karkashin ruwa - Bidiyo

Kifin kifi kifi

Tare da hanyoyin kamun kifi da aka yi la'akari, ba a yi amfani da bats kwata-kwata. Kama lokacin kamun kifi ba tare da koto ba ko da yaushe yana dogara ne da dama, kuma babu tabbacin cewa za ku kama kifi. Tare da yin amfani da baits, kamun kifi ya zama mafi tasiri. Koto yana haɗa crayfish zuwa kayan aiki kuma yana ajiye shi a wuraren kamawa.

Crayfish da aka tattara a kusa da koto za a iya ɗauka da hannuwanku ko tare da raga. Amma mafi “ingantacciyar hanyar kamun kifin ita ce kamun kifi, inda kifin ya ke manne da wani koto da ke daure a ƙarshen layin kamun kifi ko gindin sanda, kuma yana riƙe koto har sai an ɗauko shi da raga kuma a ɗaure shi da tarko. fitar da ruwa. Kamun kifi ya bambanta da kamun kifi domin basa amfani da ƙugiya kuma kifin na iya kwancewa a kowane lokaci.

Ana ɗaure layin kamun kifi a sanda mai tsayin mita 1-2, kuma ana ɗaure koto da layin kamun kifi. Ƙarshen sandan da aka nuna yana makale a cikin kasan tafkin ko kogi kusa da gaɓar ko cikin gangaren bakin teku. Ana sanya koto a wurin da ya dace don dasa cutar kansa.

Mai kamawa na iya amfani da da yawa, har ma da yawa, sandunan kamun kifi a lokaci guda. Yawan su ya dogara da farko akan yawan kifin crayfish a cikin tafki, ayyukan zhura da kuma samar da nozzles. A cewar wani mai bincike dan kasar Sweden S. Abrahamsson, abin da aka makala yana jan kifin crayfish a cikin ruwa maras nauyi daga wani yanki mai girman murabba'in 13. Saboda haka, ba shi da ma'ana don sanya kaya sau da yawa fiye da nisa na 5 m daga juna kuma ba kusa da 2,5 m daga bakin teku ba. Yawancin lokaci, sanduna suna makale a nesa na 5-10 m daga juna, a mafi yawan wurare masu ban sha'awa sau da yawa, a wuraren da ba su da kyau - sau da yawa.

A lokacin maraice da dare, dangane da zhor, ana duba sandunan kamun kifi sau da yawa, wani lokacin har ma sau 3-4 a kowace awa. Yankin kamun kifi bai kamata ya wuce 100-200 m tsawon ba, don haka zaku iya duba sandunan kamun kifi a cikin lokaci, har sai crayfish yana da lokacin cin abinci. Idan lokacin maraice kama yana raguwa, kuna buƙatar matsawa zuwa sabon wuri. Lokacin duba sandunan kamun kifi, ana ciro sandar a hankali daga ƙasa sannan a ɗaga sandar kamun a hankali a hankali ta yadda kifin da ke manne da koto ba ya kwancewa, sai ya tashi da shi kusa da saman ruwan, inda Ana tsince ganima a hankali daga ƙasa tare da saukar da raga a cikin ruwa. Kamun kifi na iya yin amfani sosai. Wani lokaci ana iya fitar da crayfish 10-12 a lokaci guda. Ƙarshen sandar da aka ɗaure layin kamun kifi, ya nuna cewa kaguwar ta kai hari ga koto.

Zakidushka da zherlitsa iri ɗaya ne na taliki tare da sandar kamun kifi. Yawancin lokaci suna ɗaure koto zuwa layin kamun kifi mai tsawon mita 1,5, da kuma yin iyo zuwa ɗayan ƙarshen. Ana daure mai nutsewa a bututun da ke kusa da koto.

Abin da ake kira sandar kamun kifi ya sha bamban da sandar kamun kifi ta yadda ake daure ɗan guntun layin kifi a kan sandar ko kuma ba a amfani da layin kamun kwata-kwata. A wannan yanayin, an haɗa koto kai tsaye zuwa ƙananan ƙarshen sandar. An makale sandar a cikin kasa a wurin kamun kifi ta yadda koto ke kwance a kasa.

Dabarar kamawa da ƙugiya, zherlitse da sandar crayfish iri ɗaya ne da kamawa da sandar kamun kifi. Suna kifin crayfish da duk waɗannan kayan aikin kamar yadda kifi. Angler yana riƙe sandar a hannunsa koyaushe kuma, yana jin cewa kifin ya kama koto, a hankali ya ja shi tare da koto zuwa saman ruwa, kusa da bakin teku, da ɗayan hannunsa ya sanya ragar a ƙarƙashinsa. kifi kifi. Ta wannan hanyar suna kama, alal misali, a Faransa - an ɗaure zobe zuwa ƙarshen layin kamun kifi don zaren koto a ciki.

Racevni

Yanzu ana amfani da Rachevni sosai. Rachevnya wani shinge ne na silinda wanda aka shimfiɗa a kan wani kogon zagaye na ƙarfe. A halin yanzu ana yin hoops daga wayar galvanized. A baya can, an yi su daga itacen willow ko tsuntsu ceri, kuma an ɗaure dutse, guntun ƙarfe ko jakar yashi a tsakiyar grid don ja. Diamita na hoop yawanci shine 50 cm. Ana ɗaure igiyoyi sirara guda uku ko huɗu masu tsayi iri ɗaya da hoop a daidai tazara don gujewa wargaje ɓawon burodi, a haɗa su da kulli na gama-gari, a cikin madaukin igiya mai ƙarfi don ragewa da ɗaga kayan. . Idan an kama shi daga gaɓar, igiyar tana haɗe da sandar sandar. Ana ɗaure koto da raga, a kan igiya da aka shimfiɗa tare da diamita na hoop ko kuma siririn sanda, kuma an haɗa shi da hoop, kuma an sauke tarkon zuwa ƙasa. Ana ɗaure igiyar fitar da crustacean da wani buoy ko sandar da aka makale a cikin gangaren bakin tekun. Kamun kifi don kaguwa yana dogara ne akan gaskiyar cewa crayfish, manne da koto, ba zai iya fita daga tarkon lokacin da aka dauke shi daga cikin ruwa ba. Rachevny bai kamata ya yi jinkirin haɓakawa ba. A lokaci guda, yana yiwuwa a yi kifi tare da rachovni da yawa, an sanya su daga juna a nesa na 5-10 m.

Yadda da kuma inda za a kama crayfish

Don kama crayfish suna da kyau, kuna buƙatar sanin yadda da inda za ku kama su. Motsin kifin crayfish ya dogara da hasken ruwa. A cikin ruwa mai duhu wanda ba ya isar da haske da kyau, ana iya sanya maganin a farkon maraice, wani lokacin kamar sa'o'i 15-16. Mafi kyawun kamawa a cikin irin wannan ruwa shine da yamma, kuma da tsakar dare yana raguwa, yayin da aikin crayfish ya ragu. A cikin ruwa mai tsabta, kada ku fara kama kifi kafin maraice, kama yana ci gaba da girma har zuwa tsakar dare har ma bayan tsakar dare. Bayan duhun dare, ana lura da sabon zhor, amma ya fi na maraice rauni.

Wasu dalilai da yawa kuma suna tasiri ayyukan motsin crayfish. A cikin yanayin gajimare, ana iya fara kamun kifi da wuri fiye da yanayin haske. Mafi kyawun kama kifi na crayfish shine a cikin dumi, dare mai duhu, da kuma lokacin damina. Kamawa sun fi talauci a cikin sanyin hazo da darare masu haske, da kuma karkashin wata. Kutsa cikin kamun kifi da tsawa.

Yawancin lokaci ana saita tarko a zurfin 1-XNUMXm, amma idan ciyayi da aka cinye ta crayfish da kasa da suka dace da mazauninsu suna cikin wurare masu zurfi, za ku iya gwada kama a zurfin mita da yawa. Crayfish ya zama zurfi a cikin ruwa mai haske fiye da cikin ruwa mai duhu. Zai fi kyau a kama su a cikin tafki tare da dutsen dutse ko dutsen dutse, a wuraren da aka watsar da dutse, gadoji, a ƙarƙashin snags, a tudu masu tsayi da kuma ƙarƙashin gangaren bakin teku daga ƙasa, dace da tono ramuka.

Da daddare, a lokacin kamawa, ba a auna kifin ko kuma a jera su, domin a cikin duhu yana ɗaukar lokaci mai yawa kuma yana jinkirta kamawa. Ana tattara Crayfish a cikin jita-jita tare da ƙananan gefuna masu tsayi da ƙasa mai faɗi don kada a sanya su a cikin kauri mai kauri. Kada a sami ruwa a kasan tasa.

Yana da matukar dacewa don auna tsayin kifin tare da sandar aunawa, wanda akwai hutu a cikin siffar baya na crayfish. Tsawon sandar shine 10 cm. An zaɓi matashin crayfish ƙasa da 10 cm a girman kuma a sake sake shi cikin ruwa. Ana ba da shawarar a saka su a cikin ruwa daga wurin kamun kifi, don kada a sake kama su kuma su ji rauni ba dole ba.

Adana da jigilar kifin crayfish

Mafi sau da yawa, kifin da aka kama dole ne a adana shi na ɗan lokaci kafin a sha. Yawancin lokaci ana ajiye su a cikin keji. Dole ne a la'akari da cewa don gano yiwuwar cututtuka masu yaduwa, ya kamata a ajiye crayfish a cikin cages a cikin ruwan da aka kama su. Ƙananan akwatunan da aka yi da alluna, a cikin ganuwar da aka haƙa ramuka, ko kwalaye tare da ramummuka, sun tabbatar da kansu mafi kyau a matsayin cages. Crayfish ana kiyaye su sosai a cikin kejin da aka yi da katako na katako ko ragar ƙarfe.

Crayfish ya kamata a ajiye a cikin keji na ɗan lokaci kamar yadda zai yiwu, tun da suna cin juna, musamman ma marasa ƙarfi. Lokacin adana crayfish fiye da kwanaki 1-2 a cikin cages, dole ne a ciyar da su don a kiyaye su da kyau kuma su kai hari ga juna. Abincin da aka saba shine sabo kifi. Ana iya ciyar da Crayfish kuma ana iya ciyar da nettles, ganyen alder, dankali, ciyawar fis, da sauran abincin shuka. An lura cewa kifin kifin ya fi yawan yaƙi don kifi fiye da abincin shuka. A cikin wadannan fadace-fadacen, sun rasa farantansu tare da samun wasu raunuka. Don kauce wa wannan, yana da kyau a ciyar da crayfish tare da kayan lambu da kayan lambu a cikin cages.

Crayfish yawanci ana jigilar su ba tare da ruwa ba, a cikin akwatuna masu faɗi. Kwandunan wicker suna da amfani musamman, kamar katako, kwali da akwatunan filastik, muddin suna da isassun ramukan iska.

Ana sanya Crayfish a cikin kwalaye masu tsayi kusan 15 cm tsayi a jere ɗaya kawai. A kasan kwalaye, da kuma a saman crayfish, ana bada shawara don shimfiɗa rigar gansakuka, ciyawa, nettles, shuke-shuken ruwa, da dai sauransu. A cikin akwatuna mafi girma, tsaka-tsakin shelves an yi su da slats don haka yadudduka. na crayfish ba su dace da juna sosai. Ana iya jigilar su cikin aminci kuma ba tare da rarrabuwa na tsaka-tsaki ba, tare da canza yadudduka na gansakuka. Saka crayfish a cikin kwalaye kuma a rufe su da gansakuka da sauri kafin su fara motsawa. Idan crayfish ya fara nuna ayyuka, da sauri za su taru a cikin kusurwoyin akwatin. Dole ne a kula don kada kifin ya rufe da ruwan da ya tattara a kasan akwatin.

Lokacin jigilar kifin a lokacin zafi, dole ne a kula da cewa zafin jiki a cikin kwalaye ba zai tashi da yawa ba. Don yin wannan, kana buƙatar rufe kwalaye daga hasken rana kai tsaye, sanya jakunkunan kankara a kusa da kwalaye, da dai sauransu A cikin zafi na crayfish, ya fi dacewa da sufuri da dare. Don kula da zafin jiki da ake so a ciki, ana iya ɗaure kwalaye a waje tare da kowane busassun abu.

Bisa shawarar da Jamusawa suka bayar, ya kamata kifin crayfish ya bushe tsawon rabin yini bayan an kama shi kafin a sanya shi cikin kwalaye. Har ila yau, akwai ra'ayi cewa kifi kifi yana jure wa sufuri mafi kyau idan ba su sami abinci na ɗan lokaci ba.

Babban ayyuka na kula da crayfish a cikin tafki na halitta sune: - kawar da cututtukan daji, musamman cutar kansa; - yarda da shawarwarin kama crayfish; - dashi na crayfish; - rage yawan nau'in ciyawa a cikin tafki; – inganta mazaunin crayfish.

Aikin kowane mai son kifin kifi shi ne ya ba da gudummawa wajen gano cutar, don hana ta yaɗuwa, da bin shawarwarin da aka samar game da waɗannan lamuran.

Kamun kifi mai tsauri yana ɗaya daga cikin ingantattun hanyoyin ƙara yawan kifin kifin a cikin tafki. Tun da crayfish ya kai girman jima'i ya riga ya kai tsayin 7-8 cm, kuma mafi ƙarancin girman da aka yarda don kama kifi shine 10 cm, yawan kama kifi ba zai lalata dabbobinsu a cikin tafki ba. Akasin haka, lokacin da manyan mutane masu girma da jinkirin girma waɗanda ke mamaye mafi kyawun wuraren zama an cire su daga tafki, ana haɓaka haifuwar crayfish. Mata masu qwai da crustaceans yakamata a saki su cikin ruwa nan da nan.

Mutane masu tsayin 8-9 cm, waɗanda suka isa balaga, sun dace da sake matsuguni. Ya kamata a yi sulhu ba daga baya ba a cikin watan Agusta, don haka crayfish ya sami lokaci don acclimatize a cikin sabon wurin zama kafin jima'i da farkon hunturu.

Crayfish Kama - Bidiyo