Janus kinase 2 (JAK2) plays a critical role in myoblast proliferation and fat deposition in animals. Our previous RNA-Seq analyses identified a close association between the JAK2 gene and muscle development. To date. research delving into the relationship between the JAK2 gene and growth traits has been sparse. https://macorners.shop/product-category/engraved-stainless-steel-keychain/