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June 1 - 3 , 1978 - University of Hawaii at Manoa

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TABLE 3. Isol<strong>at</strong>ion <strong>of</strong> chitinoclastic bacteria from exoskeletal<br />

lesions.<br />

Number <strong>of</strong> Lesions Yielding Chitinoclasts<br />

Lesions<br />

Source Sampled Number Percent<br />

bisulc<strong>at</strong>a<br />

lesion<br />

-<br />

Macrobrachium lar<br />

lesion<br />

A. - bisulc<strong>at</strong>a<br />

normal cuticle<br />

TABLE 4. Induced exoskeletal lesions in Atya bisulc<strong>at</strong>a.<br />

Total Percent<br />

Test Conditions Specimens With Lesion Without Lesion<br />

Chitinoclastic<br />

Bacteria in sterile<br />

stream w<strong>at</strong>er 3 3<br />

Raw stream w<strong>at</strong>er 16<br />

Sterile stream w<strong>at</strong>er<br />

with Thimerosal, ~ o - ~ M 20<br />

TABLE 5. The development <strong>of</strong> exoskeletal lesions in Atya bisul-<br />

c<strong>at</strong>a with abrasions. (Specimens were held in raw<br />

=am w<strong>at</strong>er <strong>at</strong> 25OC for a minimum <strong>of</strong> 8 days.)<br />

Total Number Number <strong>of</strong> Specimens<br />

Tre<strong>at</strong>ment <strong>of</strong> Specimen Developing Lesions Without Lesions<br />

Abraded<br />

only<br />

Abraded and<br />

sealed 15

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