Mano (mano) a pike ndi oyera, onyezimira, akuthwa komanso amphamvu. Pansi pa mano ndi dzenje (chubu), atazunguliridwa ndi misa yolimba, mtundu ndi kapangidwe kake kosiyana ndi mano - misa iyi imagwirizanitsa dzino ndi nsagwada mwamphamvu kwambiri.
Kuwonjezera pa mano, pali “maburashi” atatu a mano ang’onoang’ono komanso akuthwa kwambiri m’kamwa mwa pike. Malangizo awo ndi opindika pang'ono. Maburashiwo amakhala pansagwada yapamwamba (m'kamwa), amamangidwa m'njira yoti powasisita ndi zala kupita ku pharynx, mano amakwanira (kupindika), ndipo akamamenya molunjika kuchokera ku pharynx, amadzuka. ndi kumamatira mu zala ndi mfundo zawo. Burashi lina laling'ono la mano ang'onoang'ono komanso akuthwa lili pa lilime la nyama yolusa.
Mano a pike si zida zotafuna, koma amangogwira nyama, yomwe imatembenuza mutu wake kummero ndikumeza yonse. Ndi mano ake ndi maburashi, ndi nsagwada zamphamvu, pike amang'amba mosavuta (m'malo moluma) chingwe chofewa kapena chingwe chogwirira nsomba.
Pike ili ndi mphamvu yodabwitsa yosintha mano ake a nsagwada zapansi.
Pike amasintha bwanji mano
Funso la kusintha kwa mano mu pike ndi chikoka cha ndondomekoyi pakuchita bwino kwa nsomba zakhala zochititsa chidwi kwa asodzi amateur. Owotchera ng'ombe ambiri amanena kuti kusaka kwa pike sikunayende bwino chifukwa cha kuluma kwa pike chifukwa cha kusintha kwa nthawi ndi nthawi kwa mano, komwe kumatenga sabata imodzi kapena ziwiri. Panthawi imeneyi, akuti sadya, chifukwa sangathe kugwira ndi kugwira nyama. Pokhapokha mano a pike atakula ndikukhala amphamvu, amayamba kutenga ndikugwira bwino.
Tiyeni tiyese kuyankha mafunso:
- Kodi njira yosinthira mano mu pike imachitika bwanji?
- Kodi ndizowona kuti pakusintha kwa mano, pike sadyetsa, choncho palibe nyambo yokwanira?
M'mabuku a mabuku a ichthyology, nsomba ndi masewera a masewera, palibe chidziwitso chodalirika pa nkhaniyi, ndipo mawu omwe amakumana nawo sakuthandizidwa ndi deta iliyonse yotsimikiziridwa.
Kawirikawiri olemba amatchula nkhani za asodzi kapena nthawi zambiri buku la LP Sabaneev "Nsomba za ku Russia". Bukuli limati: Nyama zazikulu zimakhala ndi nthawi yothawira m'kamwa mwa chilombo pamene mano asintha: akale amagwa ndikusinthidwa ndi zatsopano, zofewa ... Panthawiyi, pikes, kugwira nsomba zazikulu, nthawi zambiri amangoiwononga, koma sangathe kuigwira chifukwa cha kufooka kwa mano awo. mwina, chifukwa nozzle pa ngalande zambiri ndiye basi crumpled osati ngakhale kulumidwa mpaka magazi, amene amadziwika bwino kwa msodzi aliyense. Sabaneev akunenanso kuti pike imasintha mano ake osati kamodzi pachaka, mwachitsanzo, mu May, koma mwezi uliwonse pa mwezi watsopano: panthawiyi, mano ake amayamba kugwedezeka, nthawi zambiri amaphwanyidwa ndikulepheretsa kuukira.
Tiyenera kukumbukira kuti kuyang'ana kwa kusintha kwa mano mu pike kumakhala kovuta kwambiri, makamaka kuyang'ana kwa mano ang'onoang'ono atayima kutsogolo kwa nsagwada zapansi ndi zapamwamba. Ndizovuta kwambiri kukhazikitsa kusintha kwa mano ang'onoang'ono a m'kamwa ndi mano pa lilime. Kuwonera kwaulere kumapezeka kokha kwa mano ooneka ngati fang a pike, atayima m'mbali mwa nsagwada zapansi.
Zowona zikuwonetsa kuti kusintha kwa mano m'nsagwada yapansi ya pike kumachitika motere: dzino (fang), lomwe lidayima tsiku loyenera, limakhala losalala komanso lachikasu, limafa, limakhala kuseri kwa nsagwada, limachotsedwa ku minofu yozungulira. ndi kugwa. Mmalo mwake kapena pafupi ndi iyo, limodzi la mano atsopano likuwonekera.
Mano atsopano amalimbikitsidwa m'malo atsopano, akutuluka pansi pa minofu yomwe ili pansagwada, kumbali yake yamkati. Dzino lomwe likutuluka limakhala lokhazikika, ndikupinda nsonga yake (pamwamba) nthawi zambiri mkati mwa mkamwa.
Dzino latsopano limagwira pa nsagwada pokhapokha ndikulipondereza ndi tubercle ya minofu yozungulira, chifukwa chake, ikakanizidwa ndi chala, imapatuka momasuka kumbali iliyonse. Ndiye dzino limalimbikitsidwa pang'onopang'ono, kagawo kakang'ono (kofanana ndi kachereti) kamapanga pakati pake ndi nsagwada. Mukakanikiza dzino, kukana kwina kumamveka kale: dzino, lopanikizidwa pang'ono kumbali, limatenga malo ake oyambirira ngati kupanikizika kwayimitsidwa. Patapita nthawi, maziko a dzino amakula, ataphimbidwa ndi misa yowonjezera (yofanana ndi fupa), yomwe ikukula pamunsi pa dzino ndi pansi pake, imagwirizanitsa mwamphamvu ndi nsagwada. Pambuyo pake, dzino silimapatukanso likakanikiza m’mbali.
Mano a pike samasintha nthawi imodzi: ena amagwa, ena amakhalabe m'malo mpaka mano omwe angotuluka kumene akhazikika pansagwada. Njira yosinthira mano imakhala yosalekeza. Kupitiriza kwa kusintha kwa mano kumatsimikiziridwa ndi kupezeka kwa pike kwa mano ambiri opangidwa bwino (canines) atagona pansi pa minofu kumbali zonse za nsagwada zapansi.
Zomwe taziwonazo zimatipangitsa kuyankha mafunso otsatirawa:
- Kusintha kwa mano mu pike kumapitirira mosalekeza, osati nthawi ndi nthawi osati mwezi watsopano, monga momwe tafotokozera m'buku la "Fish of Russia".
- Pike, ndithudi, imadyetsanso panthawi ya kusintha kwa mano, kotero kuti palibe kupuma komwe kumayenera kuchitika.
Kusakhalapo kwa kuluma ndipo, chifukwa chake, kusodza kwa pike kosapambana, mwachiwonekere, kuli chifukwa cha zifukwa zina, makamaka, mkhalidwe wa mtunda wa madzi ndi kutentha kwake, malo osodza osasankhidwa bwino, nyambo yosayenera, kudzaza kwa pike pambuyo pa kuwonjezeka. zhor, etc.
Sizinatheke kuti mudziwe ngati mano onse a pike kapena mano a m'munsi mwa nsagwada amasinthidwa ndi zomwe zimayambitsa kusintha kwa mano mu pike.