2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Nqaij nyuj, taurine nyuj, lossis European nyuj yog cov tsiaj nyeg loj-hooved herbivores. Lawv yog ib tug tseem ceeb niaj hnub tswv cuab ntawm subfamily Bovinae, yog cov feem ntau nthuav hom ntawm genus Bos. Raws li kev sib deev, lawv raug hu ua nyuj lossis bulls.
nyuj cev xeeb tub tau 9 lub hlis?
Ib tug nyuj cev xeeb tub kav txog 9 hli thiab 10 hnub. Thaum tus menyuam mos liab yug los, nws feem ntau hnyav li 45 phaus thiab tuaj yeem sawv thiab taug kev hauv ib teev.
Lub sijhawm gestation yog dab tsi?
Gestation is lub sij hawm ntawm conception thiab yug. Lub sijhawm no, tus menyuam loj hlob thiab loj hlob hauv niam lub tsev menyuam. Lub hnub nyoog gestational yog ib lo lus uas siv thaum cev xeeb tub los piav txog qhov deb npaum li cas ntawm cev xeeb tub.
Tus tsiaj twg cev xeeb tub ntev tshaj?
Cov poj niam ntawm cov tsiaj av loj tshaj plaws hauv ntiaj teb tau paub zoo tias yog niam zoo, thiab lawv txoj haujlwm pib ua ntej lawv tus menyuam yug los. African ntxhw cev xeeb tub kav txog 22 lub hlis-lub sijhawm paub cev xeeb tub ntev tshaj plaws rau tus tsiaj, hais tias Ganswindt.
Tus tsiaj twg yug cev xeeb tub?
Aphid . Aphids, cov kab me me tau pom thoob ntiaj teb, yog "yim cev xeeb tub," hais tias Ed Spevak, tus saib xyuas ntawm cov pob txha tsis muaj zog ntawm St. Louis Zoo.
Pom zoo:
Puas yog cov dab dab dab dab dab dab dab dab dab dab dab dab?
Myth: Ib tug dab tshos tsis yog neeg ncaj ncees yog tiasnws haum yog. Fact: Tu siab, qhov no yog ib lo lus tsis tseeb uas tau raug perpetuated los ntawm aversive trainers. Txawm hais tias haum rau lub caj dab kom zoo khawb rau hauv cov tawv nqaij rhiab nyob ib ncig ntawm lub caj dab, uas ua rau muaj kev puas tsuaj loj rau cov thyroid, esophagus, thiab trachea.
Lub sijhawm rau lub hlis ntawm cev xeeb tub yuav noj dab tsi?
Ib txoj kev npaj khoom noj rau cev xeeb tub yuav tsum suav nrog: qhov kev noj zaub mov zoo tshaj plaws, los ntawm cov nroj tsuag thiab tsiaj txhu, xws li ntses, nqaij qaib, qe, thiab lentils. nplua nuj carbohydrates, los ntawm qhov chaw xws li oats, qos yaj ywm qab zib, thiab txiv hmab txiv ntoo.
Lub sijhawm twg ntawm lub sijhawm cev xeeb tub yog progesterone siab tshaj?
Theem luteal: Lub sijhawm ntawm ovulation thiab ua ntej pib cev xeeb tub, thaum lub cev npaj rau kev xeeb tub. Progesterone raug tsim, ncov, thiab tom qab ntawd poob. Thaum nyob rau hauv lub uterine voj voog yog cov qib progesterone siab tshaj?
Lub sijhawm puas muaj kev nyab xeeb rau cev xeeb tub?
Tsis muaj "kev nyab xeeb" lub hlis thaum koj tuaj yeem sib deev yam tsis muaj kev tiv thaiv thiab tsis pheej hmoo xeeb menyuam. Tab sis muaj qee lub sij hawm hauv koj qhov kev coj khaub ncaws thaum koj nyob ntawm koj lub cev xeeb tub, thiab qhov no yog thaum koj feem ntau xeeb tub.
Lub sijhawm cev xeeb tub ua rau muaj kev pheej hmoo ntawm pph?
Cov xwm txheej txaus ntshai rau kev mob ntshav qab zib tom qab yug me nyuam ntawm cov khoom xa tuaj yog: fetal macrosomia (tshaj 4000 g); cev xeeb tub-induced hypertension; cev xeeb tub tsim los ntawm kev pab cuam kev ua me nyuam; hnyav qhov chaw mos los yog perineal lacerations;