Kodi galu wanu ndi nyama iti - carnivore kapena omnivore?

Agalu ndi a banja la canine, dongosolo la carnivores, koma izi sizikutanthauza khalidwe linalake, thupi, kapena zakudya zomwe amakonda.

Weruzani nokha

Nyama zina zimaoneka ngati zolusa ndipo zimakhala ngati zilombo zolusa. Koma kodi alidi adani? Inu mukhale woweruza.

• Nkhandwe zimaukira nyama zodya udzu, koma choyamba zimadya zomwe zili m’mimba mwawo, komanso zamkati mwa nyamazi.¹
• Mbalame zimadya zakudya zosiyanasiyana, kuphatikizapo nyama zazing'ono zoyamwitsa, zamoyo zam'mlengalenga, mbalame, zipatso, ndi ndowe za herbivore.
• Pandas nawonso amadya nyama, koma amadya zitsamba ndipo makamaka amadya masamba ansungwi.

Kupeza chowonadi

Nyama zolimba kapena zenizeni monga amphaka zimafunikira kwambiri taurine (amino acid), arachidonic acid (mafuta acid) ndi mavitamini ena (niacin, pyridoxine, vitamini A) omwe amapezeka muzakudya zama protein ndi mafuta.

Omnivores, monga agalu ndi anthu, alibe chofunikira kwambiri cha taurine ndi mavitamini ena ndipo amatha kupanga arachidonic acid kuchokera kumafuta a masamba paokha.

Makhalidwe a omnivores

Palinso zinthu zina zopatsa thanzi, zamakhalidwe komanso zakuthupi zomwe zimalekanitsa maiko awiriwa - omnivores ndi carnivores:

• Agalu ali ndi mano (molars) okhala ndi malo osalala, opangidwa kuti akupera mafupa komanso zomera zamtundu.
• Agalu amatha kugaya pafupifupi 100% yamafuta omwe amadya.²
• Agalu, matumbo aang'ono amakhala pafupifupi 23 peresenti ya kuchuluka kwa m'mimba, mogwirizana ndi omnivores ena; amphaka, matumbo aang'ono amangotenga 15 peresenti.^3,4
• Agalu amatha kupanga vitamini A kuchokera ku beta-carotene yomwe imapezeka muzomera.

Kusokonezeka maganizo

Anthu ena amaona molakwa kuti agalu, ngakhale kuti ndi ziweto, ayenera kungokhala odya nyama chifukwa ali m’gulu la nyama zolusa. Kuyang'anitsitsa kagalu, khalidwe, ndi zakudya zomwe agalu amakonda kumatsimikizira kuti ndi omnivores: amatha kukhala athanzi mwa kudya nyama ndi zomera.

¹ Lewis L, Morris M, Hand M. Zakudya zochizira nyama zazing'ono, kope la 4, Topeka, Kansas, Mark Morris Institute, p. 294-303, 216-219, 2000.

² Walker J, Harmon D, Gross K, Collings J. Kuwunika kugwiritsidwa ntchito kwa michere kwa agalu pogwiritsa ntchito njira ya catheter ya ileal. Nutrition Journal. 124:2672S-2676S, 1994. 

³ Morris MJ, Rogers KR Zofananitsa za zakudya ndi kagayidwe kagalu ndi amphaka, muzakudya za agalu ndi amphaka, ed. Burger IH, Rivers JPW, Cambridge, UK, Cambridge University Press, p. 35–66, 1989. 

⁴ Rakebush, I., Faneuf, L.-F., Dunlop, R. Kudyetsa khalidwe mu physiology ya nyama zazing'ono ndi zazikulu, BC Decker, Inc., Philadelphia, PA, p. 209–219, 1991.