This present study was conducted on data obtained from previous genetical studies. The study aimed to present the suitable statistical methods and measures that can be used to analyze this type of data and these types of variables under study.Ι. Data were collected from the first genetical study which aimed to study the nature of the relationship between chromosomal aberrations (structural and numerical) and groups of animals suffering from different reproductive disorders.Data were categorical (qualitative), in the form of frequencies and under nominal level of measurements. Data were collected from different subtables and were put in a large table which included all the data and all the variables with their categories.The serum parameters of Strongyle infected equine, after treatment with pyrantel tartarate 12.5%, 1gm/10kg BW orally, revealed that a highly significant increase in albumin, while highly significant decrease in globulin, and non significant change in tota