Hepatic protein synthesis in the sheep: effect of intake as monitored by use of stable-isotope-labelled glycine, leucine and phenylalanine

albumine albumins amino acids apolipoproteins blood experimentation fasting feeding level fenilalanina foie glicina glycine (amino acid) leucina leucine lipoproteine lipoproteins liver niveau d'alimentation nivel alimenticio ovin ovinos phenylalanine plane of nutrition protein metabolism protein synthesis sang sangre sheep