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Split iron supplementation is beneficial for newborn piglets
Xiaoyun Chen1, Xiaofeng Zhang2, Jing Zhao1
1Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, College of Animal Science, Zhejiang University, Hangzhou 310058, China.
Split iron supplementation effectively treats iron deficiency anemia in newborn piglets. This method improves piglet health and growth while minimizing iron toxicity and oxidative stress, offering a safer alternative to high-dose injections.
Area of Science:
- Neonatal nutrition
- Animal models
- Nutritional biochemistry
Background:
- Iron deficiency is a prevalent nutritional disorder in newborns, often leading to anemia and complications.
- Effective iron supplementation strategies are crucial for neonatal health but remain a challenge.
- Current high-dose iron dextran protocols may have associated toxicities.
Purpose of the Study:
- To compare the efficacy and safety of a modified split iron supplementation strategy versus the routine high-dose iron dextran protocol in newborn piglets.
- To evaluate the impact of different iron supplementation methods on hematological status, iron utilization, and growth.
- To assess the effects on hepcidin expression, duodenum development, and potential iron-induced toxicity.
Main Methods:
- Newborn piglets were used as a model for iron deficiency.
- Two groups were compared: routine high-dose intramuscular iron dextran injection and a modified split iron supplementation with reduced doses.
- Hematological parameters, hepcidin levels, growth performance, duodenum morphology, oxidative stress markers, and hepatocyte autophagy were analyzed.
Main Results:
- Split iron supplementation significantly improved hematological status and iron utilization, leading to recovery from iron deficiency.
- This strategy attenuated hepcidin expression and enhanced duodenum development, including increased villus height and crypt depth.
- Compared to high-dose iron dextran, split supplementation minimized oxidative stress and hepatocyte autophagy, indicating reduced toxicity.
Conclusions:
- Split iron supplementation with reduced iron dextran amounts is an effective and safer alternative for preventing iron deficiency anemia in newborn piglets.
- This approach not only combats anemia but also mitigates potential adverse effects of excessive iron, such as oxidative stress.
- The findings have significant implications for optimizing iron supplementation strategies in infant development, considering both efficacy and safety.
