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Effect of selenium-rich wheat on rat spermatogenesis
1Department of Zoology, Punjab Agricultural University, India.
Andrologia
|September 1, 1989
Summary
High selenium wheat from India negatively impacts male rat reproduction. Selenium toxicity caused reduced testicular weight and disrupted sperm development, affecting spermatids and seminiferous tubules.
Area of Science:
- Environmental Toxicology
- Reproductive Toxicology
- Nutritional Science
Background:
- Wheat grown in certain Punjab/India districts accumulates high levels of selenium (avg. 12.5 ppm).
- Previous research indicates selenium's effects on female rat reproduction.
- The impact of selenium toxicity on male reproductive health requires further investigation.
Purpose of the Study:
- To investigate the effects of consuming selenium-rich wheat on male rat reproductive parameters.
- To examine the histological changes in the testes of rats exposed to seleniferous wheat.
Main Methods:
- Laboratory rats were fed wheat cultivated in seleniferous soils for four weeks.
- Testicular weight was measured.
- Histological examination of testicular tissues, including seminiferous tubules and interstitial tissue, was performed.
Main Results:
- Feeding seleniferous wheat significantly reduced testicular weights in male rats.
- Spermatogenesis was interrupted, with spermatids showing clumping and giant cell formation.
- Histological analysis revealed regression of spermatogenic cells and oedematous widening of interstitial tissue.
Conclusions:
- Selenium toxicity from consuming seleniferous wheat adversely affects male rat reproduction.
- The study highlights the detrimental impact of environmental selenium accumulation on male reproductive health.
- Further research is warranted to understand the full scope of selenium's effects on male fertility.