genus rattus from the subfamily murinae has a wide geographical distribution throughout the world. three species of this genus have been reported in iran so far. they are norway or brown rat (rattus norvegicus), black rat (rattus rattus), and himalayan rat (rattus pyctoris). in order to verify the possibility of using electrophoretic patterns of special proteins, in biosystematic analysis of th...

Bull fertility may be defined as the process by which spermatozoa fertilize and activate the ovum and then support embryonic development. Bull fertility is a complex trait having relatively low heritability and plays a vital role for efficient production and reproduction of bovine. Various mechanisms involved in regulating bull fertility associated phenotype and reliable biomarkers are poorly d...

The incidence of major diseases such as cardiovascular disease, thrombosis and cancer increases with age and is the major cause of mortality world-wide, with neonates and children somehow protected from such diseases of ageing. We hypothesized that there are major developmental differences in plasma proteins and that these contribute to age-related changes in the incidence of major diseases. We...