الفهرس 
الاستزراع السمكىيوجد فقط 14 صفحة متاحة للعرض العام
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المستخلص
The study aimed mainly to identify factors affecting knowledge and adoption of householders and cages in Kafi- El-Sheikh and Damietta Governorates for new practices. The data was collected from two samples through interview. The first sample consists of 144 householders in fish farms (about 30% from total householders in fish farms in the two governorates). The second was 1 11 householders in fish cages (about 50% from total householders in fish cages in the two governorates). The selected interviewers have been working in fish activities for five years or more. Percentages, frequency distribution, arithmetic mean, standard deviation, simple correlation, multiple regression, were utilized as statistical methods in analyzing and presenting the data. This study consists of five chapters; the first deals with the research problem, its importance and ob-jectives. The second deals with the theoretical framework and literature review. The third includes the research methodology and the fourth covers the research findings and discussion. The fifth involves the summary and recommendations. Major findings of this study could be summarized as follows: -Characteristics of the respondents of fish farms and fish cages: The results showed that there was about 49% of the fish farms respondents have the ages of 50 Years or more, while 48% of the fish cages respondents were between 20-40 Years old, 52% of the fish farms respondents have an experience of more than 15 Years, while 9% only of the fish cages respondents have an experience more than 15 Years. 50% of the fish farms respondents have less than 30 feddans; and 69% of the fish cages respondents have one to five fish cages. - Knowledge Level respondents of fish farms and fish cages: The results revealed that 17% only of fish farms respondents have high knowledge level in the two Governorates. This level includes 39% from respondents in Kafr El-Sheikli Governorate and 3% only of fish farms respondents in Damietta.