Faulkner, A., 1998. Insulin-like growth factor 1 concentrations in milk and plasma after growth hormone treatment. Biochemical Society Transactions, 26 (4), 386; Silanikove, N. and others, 1998. Metabolic and productive response of dairy cows to increased ion supplementation at early lactation in warm weather. Journal of Dairy Research, 65 (4), 529–543; Ginjala, V. and others, 1998. Determination of transforming growth factor-beta 1 (TGF-beta 1) and insulin-like growth factor-1 (IGF-1) in bovine colostreum samples. Journal of Immunoassay, 19 (2–3), 195–207; Schober, D.A. and others, 1990. Perinatal expression of type 1 IGF receptors in porcine small intestine. Endocrinology, 126 (2), 1125–1132.