Table 5. — Incidence and Degree of Tuberculosis Infection in Marked Silver Salmon Caught by 

 Columbia River Gill-Net Fishery, 1957. 



Mark 1/ 



Origin 2/ 



Ad-LV h/ Sandy R. 



Ad-RV £/ Sandy R. 



Ad-IMax 5/ Sandy R. 



\f For explanation of marks see Table 2. 



2/ Area of experiment and/or release* 



3/ Organization sponsoring experimentt O.F.C. 



h/ Fed experimental diet at hatchery. 



5/ Fed standard hatchery diet. 



- Oregon Fish Commission 



Table 6. —Incidence of Tuberculosis in Blueback Salmon Caught by Columbia River Gill-Net Fishery, 1957 



~lj Season open on first two days of week only; included with previous weeks sample. 



26 



