References

Beard, J.L., 2001. Iron biology in immune function, muscle metabolism and neuronal functioning. J. Nutr., 131: 568S-580S.
Direct Link  |  

Bothwell, T., G. Pirzio Biroli and C. Finch, 1958. Iron absorption 1. Factors influenci absorption. J. Lab. Clin. Med., 51: 24-36.
Direct Link  |  

Chen, Y.J., I.H. Kim, J.H. Cho, B.J. Min and J.S. Yoo et al., 2008. Effect of δ-aminolevulinic acid on growth performance, nutrient digestibility, blood parameters and the immune response of weanling pigs challenged with Escherichia coli lipopolysaccharide. Liv. Sci., 114: 108-116.
CrossRef  |  

Chen, Y.J., I.H. Kim, J.H. Cho, J.S. Yoo and H.J. Kim et al., 2008. Utilization of δ-aminolevulinic acid for livestock: blood characteristics and immune organ weight in broilers. J. Anim. Feed. Sci., 17: 215-223.
Direct Link  |  

Ducsay, C.A., W.C. Buhi, F.W. Bazer, R.M. Robert and G.E. Comb, 1984. Role of uteroferrin in placental iron transport: Effect of maternal iron treatment on fetal iron and uteroferrin content and neonatal hemoglobin. J. Anim. Sci., 59: 1303-1308.
PubMed  |  

Greenberg, S.M., R.G. Tucker, A.E. Heming and J.K. Mathues, 1957. Iron absorption and metabolism. I. Interrelationship of ascorbic acid and vitamin E. J. Nutr., 63: 19-31.
PubMed  |  

Harmon, B.G., S.G. Cornelius, J. Totsch, D.H. Baker and A.H. Jensen, 1974. Oral iron dextran and iron from steel slats as hematinices for swine. J. Anim. Sci., 39: 699-702.
PubMed  |  

Hershko, C., 1993. Iron, infection and immune function. Proc. Nutr. Soc., 52: 165-174.
CrossRef  |  

King, M.W., 2008. Iron, heme and porphyrin metabolism. http://www.intute.ac.uk/cgi-bin/fullrecord.pl?handle=2028468.

Laftah, A.H., R.J. Simpson, T.J. Peters and K.B. Raja, 2008. The effect of haem biosynthesis inhibitors and inducers on intestinal iron absorption and liver haem biosynthetic enzyme activities. Toxicol. Appl. Pharmacol., 229: 273-280.
CrossRef  |  

Lebron, J.A., M.J. Bennett, D.E. Vaughn, A.J. Chirino and P.M. Snow et al., 1998. Crystal structure of the hemochromatosis protein HFE and characterization of its interaction with transferrin receptor. Cell., 93: 111-123.
CrossRef  |  

Mahan, D.C., 1990. Mineral nutrition of the sow: A review. J. Anim. Sci., 68: 573-582.
PubMed  |  

Mateo, R.D., J.L. Morrow, J.W. Dailey, F. Ji and S.W. Kim, 2006. Use of δ-aminolevulinic acid in swine diet: Effect on growth performance, behavioral characteristics and hematological/immune status in nursery pigs. Asian-Aust. J. Anim. Sci., 19: 97-101.
Direct Link  |  

McGowan, J.P. and A. Chrichton, 1937. Absorption and excretion of iron. Lancet., 233: 680-684.

Min, B.J., J.W. Hong, O.S. Kwon, D.K. Kang and I.H. Kim, 2004. Influence of dietary δ-aminolevulinic acid supplement on growth performance and hematological changes in weaned pigs. J. Korean. Soc. Food. Sci. Nutr., 33: 1606-1610.

Moore, C. and R. Dubach, 1951. Observations on the absorption of iron from foods tagged with radioiron. Trans. Assac. Am. Phys., 64: 245-256.
PubMed  |  Direct Link  |  

Morris, E.R., 1987. Trace Elements in Human and Animal Nutrition. Academic Press, New York.

Park, S.W., H. Namkung, H.J. Ahn and I.K. Paik, 2004. Production of iron enriched eggs of laying hens. Asian-Aust. J. Anim. Sci., 17: 1725-1728.
Direct Link  |  

Piao, Y.Z., P. Kiatpapan, M. Yamashita and Y. Murooka, 2004. Effects of Expression of hemA and hemB genes on production of porphyrin in propionibacterium freudenreichii. Appl. Environ. Microbiol., 70: 7561-7566.
Direct Link  |  

Ponka, P., 1999. Cell biology of heme. Am. J. Med. Sci., 318: 241-256.
PubMed  |  

Ryter, S.W. and R.M. Tyrrell, 2000. The heme synthesis and degradation pathways: role in oxidant sensitivity. Heme oxygenase has both pro- and antioxidant properties. Free. Radic. Bio. Med., 28: 289-309.
CrossRef  |  

Sasaki, K., M. Watanabe, T. Tanaka and T. Tanaka, 2002. Biosynthesis, biotechnological production and applications of 5-Aminolevulinic acid. Applied Microbiol. Biotechnol., 58: 23-29.
CrossRef  |  Direct Link  |  

Vahl, H.A. and A.T. Van `T Klooster, 1987. Dietary iron and broiler performance. Br. Poultry. Sci., 28: 567-576.
PubMed  |  

Van Campen, D., 1974. Regulation of iron absorption. Fed. Proc., 33: 100-105.

Wang, J.P., H.J. Kim, Y.J. Chen, J.S. Yoo and J.H. Cho et al., 2009. Effects of delta-aminolevulinic acid and vitamin C supplementation on feed intake, backfat and iron status in sows. J. Anim. Sci., 87: 3589-3595.
CrossRef  |  Direct Link  |  

Watanabe, N., F.S. Che, K. Terashima, S. Takayama, S. Yoshida and A. Isogai, 2000. Purification and properties of protoporphyrinogen oxidase from spinach. Plant Cell Physiol., 41: 880-892.
CrossRef  |  

Yu, B., W.J. Huang and P.W.S. Chiou, 2000. Bioavailability of iron from amino acid complex in weanling pigs. Anim. Feed Sci. Technol., 86: 39-52.
Direct Link  |  

Zhu, Y., T. Hon, W. Ye and L. Zhang, 2002. Heme deficiency interferes with the Ras-mitogen-activated protein kinase signaling pathway and expression of a subset of neuronal genes. Cell. Growth. Differ., 13: 431-439.
PubMed  |