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Table 1 Location and size of oral and skin masses in affected sturgeons

From: Mycobacterium chelonae associated with tumor-like skin and oral masses in farmed Russian sturgeons (Acipenser gueldenstaedtii)

Case #

Lesion #

Location

Lesion size

Histological severity

ZN

Culture

1

1

Caudal fin

Small

Mild

Negative

Negative

2

1

Mouth

Medium

Moderate

Negative

Negative

3

1

Mouth

Large

Severe

Positive

Positive

4a

1

Mouth

Large

Severe

Negative

Positive

 

2

Caudal fin

Medium

Moderate

Negative

Negative

 

3

Pectoral fin

Medium

Severe

Negative

Positive

5

1

Pectoral fin

Medium

Severe

Negative

Negative

6

1

Mouth

Large

Severe

Negative

Positive

7a

1

Mouth

Large

Severe

Negative

Positive

 

2

Pectoral fin

Large

Moderate

Negative

Negative

8

1

Mouth

Large

Severe

Negative

Positive

9

1

Mouth

Large

Severe

Negative

Positive

10a

1

Mouth

Large

Severe

Negative

Positive

 

2

Caudal fin

Medium

Moderate

Negative

Negative

11

1

Mouth

Large

Severe

Negative

Negative

12

1

Mouth

Large

Severe

Negative

Negative

13a

1

Mouth

Large

Severe

Negative

Negative

 

2

Pectoral fin

Medium

Moderate

Negative

Negative

14

1

Mouth

Large

Severe

Negative

Negative

15

1

Mouth

Large

Severe

Negative

Negative

  1. aSturgeons with multiple lesions.