Ava Williams
Katantanwa sun fi sauri fiye da yadda mutum zai yi tunani, cikin sauƙin rufe mita a sa'a. Abin da masu bincike a Jami'ar Exeter suka gano ke nan lokacin da suka bi diddigin katantanwa na lambu 450 ta amfani da ledoji da fenti na UV. Saboda haka, mollusks kuma suna son yin amfani da wani nau'in slime sawu. Gaskiyar cewa katantanwa suna motsawa da sauri yana da rauninsa: da huhu tsutsotsi Angiostrongylus vasorum, A parasites mai barazanar rai ga karnuka, tafiya da su. A Burtaniya, godiya ga shekaru masu arzikin katantanwa, ya riga ya yadu daga gidan kakanninsa a kudu zuwa Scotland.
Katantanwa a kan hanya
Tawagar da masanin ilimin halitta Dave Hodgeson ya jagoranta a karon farko ta yi rikodin ayyukan katantanwa daidai da dare ta hanyar amfani da fitilun LED da aka makala a bayan dabbobin da kuma rikodin lokaci. Sun kuma yi amfani da kalar UV don sa waƙar dabbobi masu rarrafe ke gani. "Sakamakon ya nuna katantanwa suna tafiya har zuwa mita 25 a cikin sa'o'i 24," in ji Hodgeson. Gwajin na sa'o'i 72 ya kuma yi karin haske kan yadda dabbobin ke binciken muhallinsu, inda suke neman mafaka, da kuma yadda suke tafiya.
"Mun gano cewa katantanwa suna tafiya a cikin ayarin motocin, irin piggybacking akan slime na wasu katantanwa," in ji masanin ilimin halittu. Dalilin wannan yana da sauki. Don haka lokacin da mollusk ya bi hanyar da ke akwai, yana kama da zamewa, kamar yadda BBC ta ruwaito Hodgeson yana cewa. Wannan saboda katantanwa na ceton kuzari, kuma mai yuwuwa haka. Kamar yadda kiyasi ya nuna, kashi 30 zuwa 40 cikin XNUMX na makamashin da dabbobi masu rarrafe ke bukata ya samo asali ne sakamakon samar da slime.
Ana jigilar kwayoyin cuta
An haɗa sakamakon a cikin rahoton "Slime Watch" na kamfen na Burtaniya Kasance Mai Lungworm Aware. Wannan yana so ya jawo hankali ga yadda sauri kare m Angiostrongylus vasorum zai iya yaduwa da katantanwa. Karnuka na iya haɗiye shi cikin sauƙi tare da ko da ƙananan slugs da aka samu akan kayan wasan yara ko a cikin kududdufai, misali. Kwayoyin cututtuka sun mamaye huhu kuma, dangane da tsananin cutar, alamun sun fito daga. ciwon tari, zubar jini, amai, da gudawa zuwa gazawar jini. Idan akwai tuhuma cewa kare ya kamu da ciwon huhu, ya kamata a tuntubi likitan dabbobi nan da nan - to cutar kuma za a iya magance ta cikin sauƙi.
Kwayar cutar, wacce ta fara faruwa a farko a Faransa, Denmark, da Ingila, ta yadu sosai a cikin 'yan shekarun nan, ba kawai a Burtaniya ba. Dieter Barutzki daga dakin gwaje-gwajen dabbobi na Freiburg ya buga wani bincike a shekara ta 2010, wanda irin wannan nau'in tsutsotsi a yanzu ya yadu sosai, musamman a kudu maso yammacin Jamus. A kasar nan ma, katantanwa wani muhimmin ma'aikaci ne na tsaka-tsaki don haka yana haifar da hadarin kamuwa da cuta ga babban abokin mutum.