Source and level of dietary iron influence semen quality by affecting inflammation, oxidative stress and iron utilization levels in boars

Boars fed a mixed form of inorganic and organic iron in excess of the NRC recommended levels still develop anemia, which suggested that the current level and form of iron supplementation in boar diets may be inappropriate. Therefore, 56 healthy Topeka E line boars aged 15-21 months were randomly div...

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Bibliographic Details
Published in:Journal of animal science and biotechnology 2024-07, Vol.15 (1), p.93-15, Article 93
Main Authors: Wu, Yinghui, Li, Yamei, Miao, Yueyue, Wei, Hongkui, Luo, Hefeng, Ren, Chunxiao, Zhang, Yawei, Chen, Juan, Wei, Tanghong, Deng, Jiyan, Peng, Jian
Format: Article
Language:English
Subjects:
Adult boars
Anemia
Artificial insemination
Bioengineering
Correlation
Cytokines
Deficiency diseases
Diet
Dietary supplements
Ferritin
Ferrous sulfate
Glycine
Hemoglobin
Hepcidin
Hogs
Inflammation
Interleukin 6
Iron
Iron deficiency
Iron level
Iron source
Iron status
Iron sulfates
Metabolism
Methionine
Motility
Nutrient deficiency
Nutrition research
Oxidative stress
Phosphorus
Semen
Semen quality
Sperm
Stress concentration
Superoxide dismutase
Testing laboratories
Transferrin
Tumor necrosis factor-TNF
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Summary:Boars fed a mixed form of inorganic and organic iron in excess of the NRC recommended levels still develop anemia, which suggested that the current level and form of iron supplementation in boar diets may be inappropriate. Therefore, 56 healthy Topeka E line boars aged 15-21 months were randomly divided into 5 groups: basal diet supplemented with 96 mg/kg ferrous sulfate (FeSO ) and 54 mg/kg glycine chelated iron (Gly-Fe, control); 80 mg/kg or 115 mg/kg Gly-Fe; 80 mg/kg or 115 mg/kg methionine hydroxyl analogue chelated iron (MHA-Fe, from Calimet-Fe) for 16 weeks. The effects of dietary iron supplementation with different sources and levels on semen quality in boars were investigated. 1) Serum Fe and hemoglobin concentrations were not affected by reduced dietary iron levels in the 80 mg/kg or 115 mg/kg Gly-Fe and MHA-Fe groups compared with the control group (P > 0.05). 2) Serum interleukin-6 (IL-6) and sperm malondialdehyde (MDA) levels in the 80 mg/kg or 115 mg/kg MHA-Fe groups were lower than those in the control group (P 
ISSN:1674-9782
2049-1891
2049-1891
DOI:10.1186/s40104-024-01032-5