Healthy multiparous Holstein-Friesian cows (n = 22. parity: 2-4) from a large-scale dairy herd in Hungary were subjected to an intravenous glucose tolerance test 10-15 days after calving. AluI genotype of growth hormone. several plasma metabolites and metabolic hormones were determined. https://hollandscountryclothinges.shop/product-category/horse-martingales/