الفهرس 
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Abstract
This study aimed to apply some parametric and non-parametric statistical methods in dairy farm data analysis this test includes Parametric tests (T-test, ANOVA test, Correlation tests and Regression tests), while non-parametric tests include (the Chi-square test). This study was carried out through field surveys in different regions of Egypt including Menoufia, Kaliobia, El Behira and El Giza) province during the period extended from summer 2017 to winter 2020 on random samples of dairy production sectors. These sectors were Farmers (Fallah), Private and Governmental. The dairy breeds included in this study were Balady (local breed), Holstein-Friesian (exotic breed), and Cross-bred (Balady X Friesian). The data were collected from a cross-sectional and longitudinal field survey. During the data collection, the researcher was in intimate contact with the dairy holders and managers. The dairy farms were visited two times at least, once in summer and the other in winter.