Association of Official Analytical Chemists 2004. Official methods of analysis, volume 2, 18th edition. AOAC, Arlington, VA, USA.
Berglund, S, Westrup, B and Domellöf, M 2010. Iron supplements reduce the risk of iron deficiency anemia in marginally low birth weight infants. Pediatrics 126, e874–e883.
Berglund, SK, Westrup, B and Domellöf, M 2015. Iron supplementation until 6 months protects marginally low-birth-weight infants from iron deficiency during their first year of life. Journal of Pediatric Gastroenterology and Nutrition 60, 390–395.
Brady, PS, Ku, PK, Ullrey, DE and Miller, ER 1978. Evaluation of an amino acid-iron chelate hematinic for the baby pig. Journal of Animal Science 47, 1135–1140.
Chacher, B, Liu, H, Wang, D and Liu, J 2013. Potential role of N-carbamoyl glutamate in biosynthesis of arginine and its significance in production of ruminant animals. Journal of Animal Science and Biotechnology 4, 16–22.
Choudhury, V, Amin, SB, Agarwal, A, Srivastava, LM, Soni, A and Saluja, S 2015. Latent iron deficiency at birth influences auditory neural maturation in late preterm and term infants. The American Journal of Clinical Nutrition 102, 1030–1034.
Duque, X, Martinez, H, Vilchis-Gil, J, Mendoza, E, Flores-Hernandez, S, Moran, S, Navarro, F, Roque-Evangelista, V, Serrano, A and Mera, RM 2014. Effect of supplementation with ferrous sulfate or iron bis-glycinate chelate on ferritin concentration in Mexican schoolchildren: a randomized controlled trial. The Journal of Nutrition 13, 1–10.
Egeli, AK and Framstad, T 1997. Effect of an oral starter dose of iron on haematology and weight gain in piglets having voluntary access to glutamic acid-chelated iron solution. Acta Veterinaria Scandinavica 39, 359–365.
Frank, JW, Escobar, J, Nguyen, HV, Jobgen, SC, Davis, TA and Wu, G 2006. Oral Ncarbamylglutamate (NCG) supplementation increases growth rate in sow-reared pigets. FASEB J 20, A425.
Frank, JW, Escobar, J, Nguyen, HV, Jobgen, SC, Jobgen, WS, Davis, TA and Wu, G 2007. Oral N-carbamylglutamate supplementation increases protein synthesis in skeletal muscle of piglets. The Journal of Nutrition 137, 315–319.
Georgieff, MK, Berry, SA, Wobken, JD and Leibold, EA 1999. Increased placental iron regulatory protein-1 expression in diabetic pregnancies complicated by fetal iron deficiency. Placenta 20, 87–93.
Gruper, Y, Bar, J, Bacharach, E and Ehrlich, R 2005. Transferrin receptor co‐localizes and interacts with the hemochromatosis factor (HFE) and the divalent metal transporter-1 (DMT1) in trophoblast cells. Journal of Cellular Physiology 204, 901–912.
Gunshin, H, Fujiwara, Y, Custodio, AO, DiRenzo, C, Robine, S and Andrews, NC 2005. Slc11a2 is required for intestinal iron absorption and erythropoiesis but dispensable in placenta and liver. The Journal of Clinical Investigation 115, 1258–1266.
Gunshin, H, Mackenzie, B, Berger, UV, Gunshin, Y, Romero, MF, Boron, WF, Nussberger, S, Gollan, JL and Hediger, MA 1997. Cloning and characterization of a mammalian proton-coupled metal-ion transporter. Nature 388, 482–488.
Haider, BA, Olofin, I, Wang, M, Spiegelman, D, Ezzati, M and Fawzi, WW 2013. Anaemia, prenatal iron use, and risk of adverse pregnancy outcomes: systematic review and meta-analysis. BMJ 346, f3443.
Hostetler, CE, Kincaid, RL and Mirando, MA 2003. The role of essential trace elements in embryonic and fetal development in livestock. The Veterinary Journal 166, 125–139.
Klausner, RD, Ashwell, G, Van Renswoude, J, Harford, JB and Bridges, KR 1983. Binding of apotransferrin to K562 cells: explanation of the transferrin cycle. Proceedings of the National Academy of Sciences 80, 2263–2266.
Klobasa, F, Werhahn, E and Butler, JE 1987. Composition of sow milk during lactation. Journal of Animal Science 64, 1458–1466.
Lind, T, Lönnerdal, B, Stenlund, H, Ismail, D, Seswandhana, R, Ekström, EC and Persson, LÅ 2003. A community-based randomized controlled trial of iron and zinc supplementation in Indonesian infants: interactions between iron and zinc. The American Journal of Clinical Nutrition 77, 883–890.
McArdle, HJ, Andersen, HS, Jones, H and Gambling, L 2008. Copper and iron transport across the placenta: regulation and interactions. Journal of Neuroendocrinology 20, 427–431.
Milman, N, Jønsson, L, Dyre, P, Pedersen, PL and Larsen, LG 2014. Ferrous bisglycinate 25 mg iron is as effective as ferrous sulfate 50 mg iron in the prophylaxis of iron deficiency and anemia during pregnancy in a randomized trial. Journal of Perinatal Medicine 42, 197–206.
Moore, RW, Redmond, HE and Livingston, JCW 1965. Iron deficiency anemia as a cause of stillbirths in swine. Journal of the American Veterinary Medical Association 147, 746–748.
Muehlenbein, E, Brink, D, Deutscher, G, Carlson, M and Johnson, A 2001. Effects of inorganic and organic copper supplemented to first-calf cows on cow reproduction and calf health and performance. Journal of Animal Science 79, 1650–1659.
National Research Council 2012. Nutrient requirements of swine. 11th revised edition. The National Academy Press, Washington, DC, USA.
Peters, JC and Mahan, DC 2008. Effects of neonatal iron status, iron injections at birth, and weaning in young pigs from sows fed either organic or inorganic trace minerals. Journal of Animal Science 86, 2261–2269.
Rossander-Hultén, L, Brune, M, Sandström, B, Lönnerdal, B and Hallberg, L 1991. Competitive inhibition of iron absorption by manganese and zinc in humans. The American Journal of Clinical Nutrition 54, 152–156.
Sandström, B 2001. Micronutrient interactions: effects on absorption and bioavailability. British Journal of Nutrition 85 (S2), S181–S185.
Scholl, TO, Hediger, ML, Fischer, RL and Shearer, JW 1992. Anemia vs iron deficiency: increased risk of preterm delivery in a prospective study. The American Journal of Clinical Nutrition 55, 985–988.
Spears, JW, Schoenherr, WD, Kegley, EB, Flowers, WL and Alhunsen, HD 1992. Efficacy of iron methionine as a source of iron for nursing pigs. Journal of Animal Science 70 (suppl. 1), 243.
Stoltzfus, RJ 2003. Iron deficiency: global prevalence and consequences. Food and Nutrition Bulletin 24 (suppl. 2), S99–S103.
Tummaruk, P, Tantilertcharoen, R, Pondeenana, S, Buabucha, P and Virakul, P 2003. Effect of an iron glycine chelate supplement on the haemoglobin and the haematocrit values and reproductive traits of sows. The Thai Journal of Veterinary Medicine 33, 45–53.
Walker, CF, Kordas, K, Stoltzfus, RJ and Black, RE 2005. Interactive effects of iron and zinc on biochemical and functional outcomes in supplementation trials. The American Journal of Clinical Nutrition 82, 5–12.
Wan, D, Zhou, X, Xie, C, Shu, X, Wu, X and Yin, Y 2015. Toxicological evaluation of ferrous N-carbamylglycinate chelate: acute, sub-acute toxicity and mutagenicity. Regulatory Toxicology and Pharmacology 73, 644–651.
Wang, J, Li, D, Che, L, Lin, Y, Fang, Z, Xu, S and Wu, D 2014. Influence of organic iron complex on sow reproductive performance and iron status of nursing pigs. Livestock Science 160, 89–96.
Wei, KQ, Xu, ZR, Luo, XG, Zeng, LL, Chen, WR and Timothy, MF 2005. Effects of iron from an amino acid complex on the iron status of neonatal and suckling piglets. Asian Australasian Journal of Animal Sciences 18, 1485–1491.
Wu, G, Knabe, DA and Kim, SW 2004. Arginine nutrition in neonatal pigs. The Journal of Nutrition 134, 2783–2790.
Wu, X, Wan, D, Xie, C, Li, T, Huang, R, Shu, X, Ruan, Z, Deng, Z and Yin, Y 2015. Acute and sub-acute oral toxicological evaluations and mutagenicity of N-carbamylglutamate (NCG). Regulatory Toxicology and Pharmacology 73, 296–302.
Zaleski, HM and Hacker, RR 1993. Variables related to the progress of parturition and probability of stillbirth in swine. The Canadian Veterinary Journal 34, 109–113.
Zhang, Y, Sun, X, Xie, C, Shu, X, Oso, AO, Ruan, Z, Deng, Z, Wu, X and Yin, Y 2015. Effects of ferrous carbamoyl glycine on iron state and absorption in an iron-deficient rat model. Gene Nutrition 10, 1–8.