A comparison of the nutritional value of organic-acid preserved corn and heat-dried corn for pigs

• Published in: Animal feed science and technology 2016-04, Vol.214, p.95-103
• Main Authors: Xu, X., Wang, H.L., Li, P., Zeng, Z.K., Tian, Q.Y., Piao, X.S., Kuang, E.Y.W.
• Format: Article
• Language: English
• Subjects: Amino acid digestibility; Corn; Energy content; Organic-acid preservation; Piglets
• ISSN: 0377-8401; 1873-2216
• DOI: 10.1016/j.anifeedsci.2016.02.016

•The nutritional value of two differently processed corns (organic-acid preserved corn; heat-dried corn) were determined.•The DE and ME in organic-acid preserved corn were higher than heat-dried corn.•The SID AA values in the two differently processed corns were similar.•Organic-acid preserved corn increased the growth performance of weanling pigs. Three experiments were conducted to compare the digestible (DE) and metabolizable energy (ME) content (Exp. 1), as well as the apparent (AID) and standardized (SID) ileal digestibility of amino acids (AA) (Exp. 2) in organic-acid preserved and heat-dried corn. In addition, the performance of weanling pigs fed diets containing the two corns was compared (Exp. 3). In Exp. 1, 12 growing barrows (28.5±1.50kg) were randomly allotted to 1 of 2 groups and fed diets containing 970g/kg organic-acid treated or heat-dried corn to determine the DE and ME content of the two differently processed corns. The results indicated that the DE and ME of organic-acid treated corn were 16.6 and 16.3MJ/kg, which was greater than the 16.4 and 15.9MJ/kg, for the DE and ME of heat-dried corn (P