因牠们是深色的，所以不要喂饲彩色合成粮，给他们无色的。
They are hyper-chromatic, so don't feed them colored pellets, give them the natural ones.
同时也探讨了大骨节病区粮干扰PAPS生物合成和软骨低硫酸状态的发生机制。
In addition, the mechanisms by which synthesis of PAPS was inhibited and the status of low sulfate...
本产品可完全替代畜禽日粮中添加的合成激素和抗生素，并且可达到使用抗生素的同样效果，避免了因抗生素以及霉菌毒素所带来的毒副作用。
The Product can fully substitute daily mixed hormone and antibiotic of the livestock and poultry, and the avoid from the bad effect of the antibiotic.
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