Free and Protein-Bound Amino Acids in Sow's Colostrum and Milk

摘要: The changes in the concentrations of free and protein-bound amino acids sow's colostrum milk were quantified this study. In colostrum, taurine histidine most abundant (1 mmol/L defatted milk). decreased, whereas those other increased, as lactation progressed. Milk glutamine increased to greatest extent among all during 29-d period, became acid (1.9 3.4 milk) on d 22 29 lactation. Sow's mature was rich taurine, glycine glutamate (1-1.4 contrast acids, protein decreased first 8 then leveled off. milk, plus cystine least abundant. Leucine second fourth respectively, with proline lysine being ones Both contained large amounts urea (4.8-7.7 ammonia (1.1-2 milk), concentration decreasing advancing stages a pattern similar that protein. Thus, study demonstrates abundance glutamine, relative well period. light present findings, nutritional importance for growth development suckling piglets merits further studies.