1. Ceev nrooj ntxiv thiab nce kev noj haus, tiv thaiv thiab tswj qhov tsis txaus ntawm ntau cov vitamins, amino acids thiab kab kawm.
2. Txhim kho lub cev thiab tiv thaiv kab mob, txhim kho kev tiv thaiv; anti-kev nyuaj siab, txhim kho tsiaj cov plaub hau xim.
3. Txhim kho cov phev zoo, txhim kho fertilization tus nqi, hatching rate, brood rate thiab noj qab nyob zoo brood rate, txhim kho cov ciaj sia taus ntawm cov noog hluas.
4. Ntev qe ntau lawm ncov, txhim kho qe ntau lawm, nce qe hnyav, txhim kho lub plhaub xim, txo cov qe malformed, mos plhaub qe, nyias khaws cia qe, thiab lwm yam.
1. Kev sib xyaw: Cov khoom no yog tov nrog 4000kg dej txhua 1000g rau 5 ~ 7 hnub.
2. Kev pub mis sib xyaw: Cov khoom no yog tov nrog 2000kg ib 1000g rau 5 ~ 7 hnub.
1. Cov khoom no muaj cov tshuaj nquag, tsis txhob kub, ua noj.
2. Cov khoom no tuaj yeem sib xyaw nrog lwm cov tshuaj ntxiv.
3. Cov tshuaj tiv thaiv tsis tas yuav tsum tau txiav tawm thaum lub sijhawm txhaj tshuaj.
1. Thaum sib tov nrog pub, sib tov zoo.
2. Muab kaw thiab khaws cia rau hauv qhov chaw qhuav.
3. Nws yuav tsum tsis txhob sib xyaw nrog cov tshuaj lom neeg, tsim kev puas tsuaj thiab muaj kuab paug.
