Researchers tested their theory on arthropods. As a test they chose males pseudoscorpions, representatives of the species Cordylochernes scorpioides. Within a few weeks (from the time of birth and until the maturity of the hollow) 21 th individual male regularly administered tetracycline . The experts then examined sperm quality . Results of the analysis confirmed the hypothesis: after a course of tetracycline number of viable sperm in arthropods decreased by 25% (compared with individuals who did not give an antibiotic).
Over time, the majority came pseudoscorpions offspring. When experts studied the sperm of the younger generation, it turned out that the "sons" experimental number of sperm decreased. The same experts pointed out, watching the third generation of arthropods - "grandchildren" of those scorpions fed tetracycline . It is interesting that no genetic mutations in the younger generation was not observed, as well as any other impact of antibiotics on their bodies.
The researchers suggested that sooner or later (observing the next generation of Americans did not) by the number of sperm "defective" Pscudoscorpions catch fish not exposed to tetracycline. But the fact that with each generation the chances of procreation in arthropods, are taking antibiotics, reduced, experts say incontestable.
The study authors believe this deterioration Sperm Quality epigenetic, since it is not in rezultatenarusheniya DNA sequence, and due to changes in the process of gene expression.
The Americans argue about the dangers of the use of tetracycline to humans. They are sure that this antibiotic has a similar effect on people's sperm. That is why they recommend to reduce the use of this substance in all areas: in medicine, in agriculture and in veterinary medicine, as it makes its penetration into the human body is almost uncontrollable.
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