In this work 60 male albino rats were subjected to a feeding experiment aimed to study the influence of protein free and reduced diets on normal function of rat testes. It was shown that the PEM exerts adverse effects on testicular function, the nature and severity of these effects depend on the duration of the deficiency state. Histological examination of rat testis, revealed that the spermatogenesis is arrested at spermatogonium stage in rats fed on protein free diet, and at primary and secondary spermatocyte stage in rats fed on normal but reduced diet.
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