Ostriches yog cov noog loj tshaj plaws hauv ntiaj teb. Lawv nyob hauv teb chaws Africa thaj av semiarid thiab hav zoov, txawm hais tias muaj cov pej xeem ntawm feral ostriches nyob rau hauv Australian outback uas tau khiav tawm ntawm ostrich farms.
Cov noog eccentric-zoo li no muaj lub plab zom mov uas txawv li lawv. Lawv tsis yog carnivores vim lawv tsis tsuas noj nqaij, thiab tsis yog lawv herbivores raws li lawv cov zaub mov tsis yog ua los ntawm cov khoom siv cog. Ostriches suav hais tias yog omnivores vim tsis muaj ntau yam uas lawv yuav tsis noj, suav nrog tej yam uas ntau lwm yam tsiaj zom tsis tau. Mus nyeem ntawv kom paub txhua yam koj xav paub txog kev noj zaub mov noj.
Ostriches noj dab tsi?
Tam sim no koj paub tias ostriches yog omnivores, tej zaum koj yuav xav paub seb hom zaub mov twg lawv nyiam noj.
Thaum lawv nyiam cov khoom siv cog xws li nyom, txiv hmab txiv ntoo, nplooj, bushes, cag, muaj, thiab noob, lawv yuav tsis txaj muag ntawm cov vertebrates me me xws li lizards, nab, thiab nas me me, thiab. as invertebrates zoo li kab.
Ostriches tsis yog neeg yos hav zoov, yog li ntawd lawv yuav tsis nrhiav los yog ua phem rau lwm yam tsiaj. Txawm li cas los xij, lawv suav hais tias yog cov neeg khawb av, yog li lawv yuav tsis hais tias tsis noj cov khoom seem ntawm lwm cov tsiaj.
Cov me nyuam mos liab yug me nyuam yuav nqus tau ntau lub qe los ntawm lawv lub qe lub hnab yolk. Qhov no yuav muab lawv cov khoom noj uas lawv xav tau nyob ib ncig ntawm ib lub lim tiam. Nyob rau lub sijhawm no, lawv yuav pib kawm taug kev thiab yuav pib ua raws lawv niam lawv txiv lossis lwm tus neeg laus ostriches hauv lawv pawg, leej twg yuav coj lawv mus rau zaub mov kom lawv tuaj yeem noj tau. Tsis zoo li lwm cov noog me me, ostriches tsis koom nrog kev pub niam txiv. Es tsis txhob, cov me nyuam kawm noj lawv tus kheej instinctively. Me nyuam mos thiab menyuam yaus ostriches loj hlob sai heev, nyob ib ncig ntawm ib ko taw ib hlis, thiab tuaj yeem pib pub zaub mov rau cov neeg laus thaum muaj hnub nyoog ib lossis ob lub hlis.
Ostriches nyob rau hauv captivity yuav muaj ib tug tshwj xeeb noj cov zaub mov uas coj mus muag ostrich feeds. Cov zaub mov no yuav muaj cov vitamins thiab minerals ostriches xav tau kev vam meej nrog rau cov khoom gritty uas lawv xav tau los pab hauv kev zom kom zoo.
Ostriches tau txais dej ntau los ntawm cov nroj tsuag uas nws noj kom lawv muaj sia nyob tau ob peb hnub yam tsis muaj lub hom phiaj nrhiav dej.
Ostrich Digestive Systems Ua Haujlwm Li Cas?
Tej zaum koj yuav xav tsis thoob thaum kawm tias ostriches tsis muaj hniav hlo li. Qhov no tuaj yeem ua rau digestion nyuaj heev. Txhawm rau pab nrog txoj kev zom zaub mov, ostriches yuav nqos pebbles lossis pob zeb thiab khaws cia rau hauv ib feem ntawm lawv lub plab hu ua gizzard. Lawv cov gizzards tuaj yeem tuav tau ob phaus ntawm cov khoom ntawm ib lub sijhawm, ntawm 45% tuaj yeem yog xuab zeb thiab pebbles. Lawv yuav tsis zom cov khoom gritty no tab sis yuav siv nws los ua ib txoj hauv kev los zom cov zaub mov uas lawv noj kom nws zom tau yooj yim dua. Thaum lub sij hawm mus, cov pob zeb lawv tus kheej yuav pib lwj thiab eroded, lawv kuj regurgitate lawv.
Thaum ostriches noj, lawv cov zaub mov mus rau hauv lawv cov hlab pas hauv ib lub bolus (ib yam khoom zoo li pob uas sib txuas cov khoom noj thiab qaub ncaug). Lub bolus tuaj yeem ua ntau npaum li 210 milliliters. Tom qab cov zaub mov hla lub caj dab, nws nkag mus rau hauv lub gizzard, qhov chaw uas cov pob zeb hais saum toj no yuav pib ua lawv txoj haujlwm digestive.
Ostriches cov hnyuv muaj 14 metres ntev uas pab lawv nyem txhua cov ntxhia thiab vitamin kawg ntawm cov nroj tsuag uas lawv noj.
Ib qho tseem ceeb ntawm tus noog yog tias nws yuav tsis choke txawm tias nws noj nws cov zaub mov tsis zoo thiab txawm tias tsis muaj epiglottis - lub flap uas tiv thaiv tib neeg kom tsis txhob noj zaub mov los yog haus dej daig hauv peb cov kav dej. Ostriches muaj qhov dav glottis (qhib rau cov kav dej) uas yuav tsum kaw thaum nqos kom tsis txhob txhaws. Thaum lub glottis kaw nyob rau hauv ib tug ostrich thiab nws tus nplaig txav rov qab los pib qhov nqos, lub hauv paus ntawm tus nplaig folds thiab cradles glottis. Muaj ib lub hnab tshos U-shaped rov qab ntawm lub hauv paus ntawm tus nplaig uas ntim cov noog lub glottis thiab khi nws tawm ntawm cov zaub mov thiab kua. Thiab raws li ib txheej ntxiv ntawm kev tiv thaiv kev nqhis dej, ob qhov projections (lingual papillae) nuv hla tus noog lub laryngeal mound.
Txoj Kev Xav
Ostriches yog cov tsiaj tshwj xeeb nrog lub plab zom mov thiab nthuav dav heev. Txawm hais tias nws yuav zoo li lawv nyiam ua ntau ntawm lawv cov khoom noj los ntawm cov khoom siv cog, tus noog yuav tsis hais tsis tau rau qee zaus lizard lossis nas. Lawv kuj tsis ntshai nibble ntawm tej tsiaj carcass lawv tuaj thiab yeej tsis tawm tsam noj geological khoom xws li pob zeb. Leej twg tau xav tias noj pob zeb yuav ua dab tsi los pab txoj kev zom zaub mov?
