The Omega 3 fatty acids seem to have a positive effect on fetal brain development and may reduce the risk of premature birth. There are positive effects on the growth and health of the fetus.
w - 3脂肪酸对于胎儿大脑的发育有积极的作用，并可能减少早产的风险，还有利于胎儿的发育和健康。
Experiments showed that polysaccharides has no significant effects on growth performance in normal flocks but has significantly enhanced growth and health in infected chickens.
饲养试验表明，多糖和抗生素对健康鸡的促生长作用都不明显，而对感染鸡具有显著的抗病促生长作用。
Animals ingest vanadium from air and feed resources, while the moderate level of vanadium is in favor of the growth of animals, but excessive dosage could have toxic effects on the health of animals.
动物可以通过空气和饲料原料来获取钒，适量的钒有利于动物的生长，但是过量就会对机体产生毒性作用。
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