Feather picking in African greys may be linked to a deficiency of the amino acid arginine, and the presence of red feathers where gray ones would normally appear may be due to a deficiency of lysine.
缺乏氨基酸精氨酸可能导致拔毛，而红色羽毛的出现可能因为缺乏赖氨酸。
Regulate nerve, eliminating urgency to improve anti-stress and anti-infection and reduce morbidity. promote growth and development, muscle red, reduced moulting time, so feather light oil powder;
调节神经，消除紧迫，提高抗应激和抗感染能力，减少发病。促进生长发育，肌肉红润，缩短换羽时间，使羽毛油粉光亮；
She is dressed in a red clear-face feather jacket and looks very bright in the snow.
她穿着一件红色光面儿羽绒服，在雪地里非常耀眼。
On the sea bed at depths of up to 3,000ft are vast coral reefs, forests of willowy feather-stars and russet-red sea urchins.
在深达近千米的海底，生长着大片绮丽的珊瑚礁、婀娜多姿的海星和黄褐色的海胆。
On the sea bed at depths of up to 3,000ft are vast coral reefs, forests of willowy feather-stars and russet-red sea urchins.
在深达近千米的海底，生长着大片绮丽的珊瑚礁、婀娜多姿的海星和黄褐色的海胆。
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