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Bảng 9.1. Danh sách các biến được thu thập
No. Variables Variable Descriptions
FARM INFORMATION
1 Address/name text
2 Longitude long decimal
3 Latitude long decimal
GEOGRAPHICIAL FACTOR
4 Distance between farm and nearest hatchery Continuous value
5 Distance between farm and nearest river Continuous value
6 Distance between farm and nearest affected farm Continuous value
ENVIRONMENTAL FACTOR
7 pH Continuous value, >7
8 Temperature Continuous value, >30
9 NO2 Continuous value
10 NH4 Continuous value
11 Salinity Continuous value
CLINICAL SIGN
12 Discontinuous gut 1: Yes; 0: No
13 Empty gut 1: Yes; 0: No
14 Food in gut 1: Yes; 0: No
15 Yellow liquid in gut 1: Yes; 0: No
16 Soft shell 1: Yes; 0: No
17 Hepatopancreas atrophy 1: Yes; 0: No
18 Hepatopancreas pale 1: Yes; 0: No
19 Slow growth 1: Yes; 0: No
20 White feces 1: Yes; 0: No
21 White spot 1: Yes; 0: No
22 Vermiform 1: Yes; 0: No
23 Gregarine 1: Yes; 0: No
DISEASE
24 WSSV 1: Yes; 0: No
25 EHP 1: Yes; 0: No
26 AHPND 1: Yes; 0: No
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