The influence of varying dietary proteins levels from 0% to 18%. which is the level of dietary protein requirement. on plasma IGF-I concentration and tissue IGFBP-2 and -4 gene expression was examined. Body weight gain was gradually lowered by decreasing dietary protein levels from 18% to 4. https://www.bekindtopets.com/hot-mega-Swish-Supreme-Glide-Track-White-great-pick/