The concentration of iodine in horse serum and its relationship with thyroxin concentration by geological difference.
Abstract: In this study, iodine and thyroxin (T4) concentrations in the serum of 69 horses were investigated. Higher iodine concentrations were obtained from the horses housed in Chiba Prefecture. In contrast, T4 concentrations of horses at Shizuoka Prefecture were higher than those of horses at Chiba Prefecture. There was a significant correlation (r = 0.643, P < 0.001) between the iodine and T4 concentrations of horses at Saitama and Shizuoka prefectures. Although a significant correlation (r = 0.794, P < 0.001) was also observed in the investigation of all horses at Chiba Prefecture, the distribution area of the data was separated from the data of horses housed in Saitama and Shizuoka prefectures. A higher iodine concentration in the environment is expected in the sampling area at Chiba Prefecture. Thus, it was suggested that the concentrations of iodine in the serum of horses are influenced by geological differences. It was thought that equine serum is a useful sample for monitoring.
Publication Date: 2016-03-14 PubMed ID: 26972926DOI: 10.1007/s10661-016-5221-7Google Scholar: Lookup
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- Journal Article
- Research Support
- Non-U.S. Gov't
Summary
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This research article explores the relationship between geological location, iodine and thyroxin (T4) concentration in horse serum. The results suggest higher iodine concentrations in Chiba Prefecture horses and higher T4 concentrations in Shizuoka Prefecture horses, implying the influence of geological differences on these concentrations.
Introduction
- The study involves a critical assessment of iodine and thyroxin (T4) concentrations in horse serum.
- Object of study was 69 horses from different prefectures in Japan, namely Chiba, Shizuoka, and Saitama.
Observations and Findings
- The results obtained show higher iodine concentrations in horses from Chiba Prefecture as compared to horses from other locations.
- On the contrary, thyroxin concentration was found higher in horses from Shizuoka Prefecture than those from Chiba Prefecture.
Correlation between Iodine and T4 Levels
- A significant correlation was discovered between iodine and T4 concentrations of horses at Saitama and Shizuoka prefectures, illustrating the potential relationship between these elements.
- Such a correlation was also observed in all horses at Chiba Prefecture, but it differed from the correlation pattern observed in horses from Saitama and Shizuoka prefectures.
Influence of Geological Differences
- A speculation is made that these differences could result from geological variations across the studied locations.
- For instance, higher iodine concentration is expected in the environment of Chiba Prefecture. The observation thus sets an inference that the serum iodine levels in horses can be influenced by geological factors.
Conclusion and Implications
- The study suggests equine serum as a valuable sample for monitoring and understanding the influence of environmental and geological factors on iodine and thyroxin concentration.
- Further research in this arena can lead to improved horse health management and can grant insights into the impact of environment on animal biochemistry.
Cite This Article
APA
Mochizuki M, Hayakawa N, Minowa F, Saito A, Ishioka K, Ueda F, Okubo K, Tazaki H.
(2016).
The concentration of iodine in horse serum and its relationship with thyroxin concentration by geological difference.
Environ Monit Assess, 188(4), 226.
https://doi.org/10.1007/s10661-016-5221-7 Publication
Researcher Affiliations
- Department of Applied Science, School of Veterinary Nursing and Technology, Faculty of Veterinary Science, Nippon Veterinary and Life Science University, 1-7-1 Kyounan, Musashino, Tokyo, 180-8602, Japan. m-mochi@nvlu.ac.jp.
- Veterinary Medical Teaching Hospital, Nippon Veterinary and Life Science University, 1-7-1 Kyounan, Musashino, Tokyo, 180-8602, Japan.
- Minowa Horse Clinic, 4-4-5, Higashikoujiya, Oota, Tokyo, 144-0033, Japan.
- Department of Materials and Life Science, Faculty of Science and Technology, Shizuoka Institute of Science and Technology, 2200-2 Toyosawa, Fukuroi, Shizuoka, 437-8555, Japan.
- Department of Veterinary Nursing, School of Veterinary Nursing and Technology, Faculty of Veterinary Science, Nippon Veterinary and Life Science University, 1-7-1 Kyounan, Musashino, Tokyo, 180-8602, Japan.
- Laboratory of Veterinary Public Health, School of Veterinary Medicine, Faculty of Veterinary Science, Nippon Veterinary and Life Science University, 1-7-1 Kyounan, Musashino, Tokyo, 180-8602, Japan.
- Department of Otolaryngology, Graduate School of Medicine, Nippon Medical School, 1-1-5, Senda-Gi, Bunkyo, Tokyo, 113-8603, Japan.
- Laboratory of Bimolecular Chemistry, School of Veterinary Medicine, Faculty of Veterinary Science, Nippon Veterinary and Life Science University, 1-7-1 Kyounan, Musashino, Tokyo, 180-8602, Japan.
MeSH Terms
- Animals
- Environmental Exposure / statistics & numerical data
- Environmental Pollutants / blood
- Geology
- Horses / blood
- Iodine / blood
- Japan
- Thyroxine / blood
References
This article includes 11 references
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Citations
This article has been cited 2 times.- Mochizuki M, Nozawa S, Minowa F, Okubo K, Tazaki H. Serum bromine concentrations in horses in Japan. J Vet Med Sci 2018 Aug 10;80(8):1228-1232.
- Stoeckle SD, Stage HJ, Gehlen H. Thyroid Disease in Horses-Retrospective Case Series on Patients Examined for Thyroid Disease in an Equine University Clinic (2009-2024). Vet Sci 2025 Nov 27;12(12).
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