Mary Allen
Muddo tobanaan sano ah, saaxiibadayada afarta lugood leh ayaa sidoo kale sii weynaanaya oo ka sii weynaanayay. Waxaan waydiinay saynis yahanka caanka ah ee cilmiga noolaha iyo dabeecada Kurt Kotrschal wax ku saabsan rajada nolosha eyda.
"Immisa jir buu ahaan doonaa saaxiibkay afarta lugood?" Su'aashani waxay ka welwelaysaa dad badan oo eyda jecel. Cimrada nolosha eeydu waxay ku xidhan tahay arrimo badan. Maanta, milkiilayaasha maal in ka badan abid in ka badan nafaqada iyo caafimaadka ee gacaladooda. "Eeydu hadda waxay heli karaan dawo la mid ah tignoolajiyada sare ee bini'aadamka," ayuu yidhi cilmi-baadhaha dabeecadda Kurt Kotrschal.
Waxay wax cunaan, seexdaan oo u noolaadaan sidayada oo kale, waana sababta keentay in muddo ka dib rajada nolosha bini'aadamku ay korodho marka loo eego ta eyda. Rugta caafimaadka xayawaanka yaryar ee Munich ayaa diiwaangelisay isbeddel xiiso leh: Dhammaadkii 1960-meeyadii, xitaa shan meelood meel dhammaan eyda rugta caafimaadka ayaa ka weyn toban. Soddon sano ka dib waxay ahayd in ka badan kala badh.
Eygii ugu da'da weynaa ee la diiwaan geliyey ilaa maanta wuxuu ahaa Shepherd Dog Bluey. Wuxuu jiray 29 sano iyo shan bilood wuxuuna ku noolaa Rochester, Australia 1910 ilaa 1939. Muddo 20 sano ah wuxuu awooday inuu sii wado hamigiisa weyn. adhiga daajiya.
Kordhinta Rajada Nolosha Eeyaha
1967 19% eeydu waxay da'doodu u dhaxaysay 10 iyo 19 jir, 1997 waxay ahayd 46.7%. Sida lagu sheegay sahan la sameeyay, rajada nolosha eeydu waxay korodhay in ka badan laba sano intii u dhaxaysay 1982 iyo 1996 oo keliya.
Maxaa rajada nolosha xumeynaya maalmahan waa noocyada mararka qaarkood taxaddar la'aanta ah, kuwaas oo hubaal aan ka jirin qaabkan waagii hore. "Xaqiiqda ah in mastiff, tusaale ahaan, kaliya uu noolaado ilaa toddobo sano waxaa lagu tilmaami karaa" taranka jirdilka", ayuu yidhi Kotrschal. Waa arrin xiiso leh: Marka la barbardhigo, yeeygu wuxuu gaari karaa da'da 20 sano.