The use of animals in experimental research parallels the development of medicine, which had its roots in ancient Greece. The increasing demand for high-standard animal models, together with a critical view of the way animals are used, has led to the development of a multidisciplinary branch of science we now know as 'laboratory animal science'. The guiding principles are replacement, reduction...

Across the animal kingdom the duration of copulation varies enormously from a few seconds to several days. Functional explanations for this variation are largely embedded within sperm competition theory in which males modulate the duration of copula in order to optimize their fitness. However, copulation is the union of two protagonists which are likely to have separate and often conflicting re...

Cladribine acts as an antineoplastic, immunosuppressive and anti-inflammatory agent. The aim of this study was to examine the possible impact of this drug on the epidermis of Wistar rats. The control group received standard feed and water. The experimental group I was treated with cladribine in a schema corresponding to the treatment of multiple sclerosis in humans. The material for microscopic...

Hernias of the anterior abdominal wall remain one most common surgery pathologies. There is no unified approach to modeling hernias in world scientific community. In order systematize available knowledge this field and contribute formation a idea how create hernia model laboratory animal, it seems logical study accumulated experience researchers experimental herniology. We found out that defect...