Gabobin jima'i a cikin kunkuru

Masu mallakar da suka fi so dabbobin gida - kunkuru, suna sha'awar batun kiwo, wanda ke da alaƙa da tsarin gabobin al'aura da halayyar "aure". Tsarin da ba a saba da shi ba na jikin dabba da kansa yana nuna cewa tsarin haihuwa an tsara shi ta hanya ta musamman. Kamar sauran dabbobi masu rarrafe, kunkuru suna yin ƙwai, amma kafin nan, hadi na cikin gida yana faruwa.

tsarin haihuwa na namiji

Tunda yawancin nau'in dangin kunkuru suna rayuwa mai tsawo, tsarin haihuwa kuma yana kai girma a hankali, yana yin shekaru da yawa. Al'aurar kunkuru suna samuwa ta sassa da yawa:

• gwaje-gwaje;
• appendages na testicular;
• maniyyi;
• sashin jiki.

Ya kasance a tsakiyar sashin jiki, tsarin haihuwa yana kusa da kodan. Har zuwa balaga, suna cikin ƙuruciya. Bayan lokaci, al'aura suna girma kuma girmansu yana ƙaruwa sosai. A cikin mutane balagagge, ƙwayoyin suna ɗaukar nau'i na oval ko cylinder; a cikin samari dabbobi, sun yi kama da ɗan kauri.

A cikin kunkuru namiji, an rarrabe matakai 4 na ci gaban tsarin haihuwa:

• farfadowa;
• ci gaba;
• tarawa;
• koma baya.

Hanyoyi uku na farko suna nuna ci gaban gwajin gwaji. Ana allurar maniyyi a cikin vas deferens, wanda ke motsawa zuwa cloaca, sannan ya shiga cikin azzakari. Lokacin da namiji ya tashi, azzakari na kunkuru ya wuce bayan cloaca kuma yana iya gani daga waje.

An bambanta nau'in ruwa da ƙasa da babban azzakari. Tare da sha'awar jima'i, yana "girma" da 50%. A wasu nau'in, girmansa ya kai rabin tsawon jikinsu. An yi imanin cewa ana buƙatar sashin jima'i ba kawai don haɗuwa ba, amma kuma ana amfani dashi don tsoratarwa. Amma idan lokacin sha'awar jima'i ya ƙare, azzakari kunkuru yana ɓoye a ƙarƙashin harsashi.

Lura: Gabar kunkuru na namiji tana bazuwa wajen jiki a lokacin sha'awar jima'i da saduwa, sannan a hankali ta koma ciki. Idan wannan bai faru ba, to kunkuru yana da matsalolin lafiya, ci gaban wasu cututtuka yana yiwuwa.

Bidiyo: azzakarin kunkuru jajayen kunne na namiji

Tsarin haihuwa na mata

A cikin kunkuru mata, tsarin haihuwa yana samuwa ta sassa masu zuwa:

• ovaries masu siffar innabi;
• elongated oviduct;
• harsashi glands located a cikin babba sassa na oviducts.

Ovaries suna kusa da kodan kuma suna cikin tsakiya na jiki. Girman su yana faruwa a hankali, kuma girman yana ƙaruwa ta lokacin balaga. Ga dabbobi, wannan shine shekaru 5-6. A cikin mata, a lokacin jima'i, dukkanin gabobin al'aura suna kumbura, suna karuwa sosai.

Kunkuru ba ya da mahaifa, saboda intrauterine hali na matasa ba a ci gaba. An kafa gwaiduwa don kwai godiya ga hanta, wanda ke haɗa shi ta amfani da adipose tissue. Oviducts guda biyu masu kama da juna suna haɗuwa a cloaca. Suna da hannu:

• a cikin motsin ƙwai;
• a cikin samuwar bawo na embryos na gaba;
• a cikin adana maniyyi;
• kai tsaye a cikin aikin hadi.

A gaban cloaca akwai farjin kunkuru. Wannan bututun tsoka ne na roba wanda zai iya mikewa da kwangila. Anan, ana iya adana maniyyi na dogon lokaci kuma hadi yana yiwuwa a lokacin da kwan ya girma saboda maniyyi da aka riga aka adana, kuma ba a lokacin tattarawa ba.

Kwai da aka haifa a hankali yana motsawa ta cikin oviduct kuma an samu kwai daga gare ta. Kwayoyin na sama na oviduct suna samar da furotin (an halicci gashin furotin), kuma an kafa harsashi a cikin kuɗin ƙananan. Akwai lokuta idan mata, ba tare da la'akari da kasancewar namiji ba, suna yin ƙwai marasa taki.

Akwai matakai 4 a cikin ci gaban tsarin haihuwa na kunkuru:

• girma na follicles a girman;
• tsarin ovulation;
• hadi kai tsaye;
• koma baya.

Ƙaruwar follicles shine sakamakon ovulation (samuwar kwai), sannan tsarin hadi ya biyo baya, sa'an nan kuma sake dawowa.

Lura: Bayan mace ta yi ƙwai, lokacin haihuwa zai ƙare kuma tsarin haihuwa zai zo daidai. Kula da zuriya ba al'ada ce ga dabbobi masu rarrafe ba, don haka uwa ba ta sha'awar lokacin da kuma yadda za a haifi 'ya'yanta.

Kiwon kunkuru

Kunkuru ba sa haihuwa da kyau a zaman talala. Don yin wannan, suna buƙatar ƙirƙirar yanayi kusa da yanayin yanayi. Tare da ingantaccen abinci mai gina jiki, microclimate mai kyau da motsi na kyauta, tsarin mating na dabbobi masu rarrafe yana yiwuwa. Suna iya yin jima'i a duk shekara.

Sau da yawa, a matsayin dabba, suna ajiye kunkuru ja-kunne na ruwa. An sanya mutane na jinsi daban-daban a cikin terrarium na kowa kuma ana kula da su lokacin da aka kulla dangantaka tsakanin ma'aurata. Yawancin lokaci, ana shuka mata da yawa tare da namiji don lokacin jima'i. Namiji, ba kamar mace ba, yana da dogon wutsiya da daraja a kan filasta.

A lokacin lokacin sha'awar jima'i, halayen mutane suna canzawa sosai. Suna zama masu fafutuka da fafutuka. Alal misali, maza suna iya yin yaƙi don mace.

Gabobin kunkuru mai jajayen kunne ba su da bambanci da sauran nau’in.

A lokacin jima'i, namiji ya hau kan mace kuma yana allura ruwan sha a cikin cloaca. A cikin kunkuru na ruwa, mating yana faruwa a cikin ruwa, yayin da a cikin kunkuru na ƙasa, a kan ƙasa. Tsarin hadi yana faruwa a cikin jikin "mahaifiyar nan gaba". A lokacin daukar ciki, ta rabu da namiji, wanda ya zama m.

Lura: Daga lokacin hadi zuwa saka ƙwai, watanni 2 sun shuɗe. Amma ƙwai na iya zama a jikin mace na ɗan lokaci idan ba ta sami wurin da ya dace ba. A cikin yanayi na yanayi, kunkuru ya zaɓi wurin masonry wurin da ita kanta aka haife ta.

An shirya tsarin haihuwa na kunkuru sosai kuma yana ba ku damar yin kiwo a ƙarƙashin yanayi mai kyau na waje sau da yawa a shekara. Amma da yake ƙwai da ƴaƴan ƙyanƙyasa ba su da kariya daga uwa, yawancin ƴaƴan suna mutuwa saboda dalilai daban-daban. Don haka, an jera nau'ikan nau'ikan dozin guda goma a cikin Jajayen Littafi a yau, wasu kuma an adana su cikin kwafi ɗaya.