Nkhuku

Ndi imodzi mwa nyama zoweta komanso zofala kwambiri, zomwe zili ndi zoposa 19 biliyoni kuyambira 2011. Pali nkhuku zambiri padziko lapansi kuposa mbalame iliyonse kapena mbalame zoweta. Anthu amasunga nkhuku makamaka ngati gwero la chakudya (kudya nyama ndi mazira) ndipo, mocheperapo, monga ziweto. Poleredwa koyamba kuti apange cockfighting kapena mwambo wapadera, nkhuku sizinasungidwe kuti zikhale chakudya mpaka nthawi ya Hellenistic (4th-2nd century BC).

Kafukufuku wa mafuko awonetsa za chiyambi cha amayi ambiri ku Southeast Asia, East Asia, ndi South Asia, koma ndi clade yomwe inapezeka ku America, Europe, Middle East ndi Africa kuchokera ku Indian subcontinent. Kuyambira ku India wakale, nkhuku zoweta zimafalitsidwa ku Lydia kumadzulo kwa Asia Minor, komanso ku Greece cha m'ma 500 BC. Nkhuku zodziwika ku Egypt kuyambira m'ma 1500 BC, ndi "mbalame yomwe imabereka tsiku lililonse" itabwera ku Igupto kuchokera ku dziko la Syria ndi Shinar, Babuloia, malinga ndi zolemba za Thutmose III.