Table 1. Common pathology observed in Indian Ocean bottlenose (Tursiops aduncus) and Indo-Pacific humpback (Sousa plumbea) dolphins incidentally caught in shark nets, and bivariable association with species.
Lesion/abnormality | Total (%) | Species (n) | ||
T. aduncus | S. plumbea | p* | ||
Combined pneumonia | 93 | 32/35 | 5/5 | 1.000 |
Bronchopneumonia | 18 | 7/35 | 0/5 | 0.565 |
Interstitial pneumonia | 63 | 22/35 | 3/5 | 1.000 |
Broncho-interstitial pneumonia | 30 | 9/35 | 3/5 | 0.149 |
Pulmonary parasites | 15 | 6/35 | 0/5 | 1.000 |
Pleuritis | 30 | 10/35 | 2/5 | 0.627 |
Bronchiolar mucosal calcification | 83 | 29/35 | 4/5 | 1.000 |
Pulmonary anthracosis | 8 | 2/35 | 1/5 | 0.338 |
Gastritis all compartments | 68 | 24/34 | 2/4 | 0.577 |
First and second compartment gastritis | 63 | 23/34 | 1/4 | 0.132 |
Third compartment gastritis | 65 | 14/21 | 1/2 | 1.000 |
Parasitic nodules all compartments | 32 | 12/34 | 0/4 | 0.556 |
Parasitic nodules in the first and second gastric compartments | 8 | 3/34 | 0/4 | 1.000 |
Parasitic nodules in the third gastric compartment | 43 | 10/21 | 0/2 | 0.486 |
Pyloric mucosal calcification | 26 | 5/21 | 1/2 | 0.462 |
Enteritis | 68 | 25/35 | 2/5 | 0.307 |
Periportal hepatitis | 54 | 21/35 | 0/4 | 0.037 |
Hepatic serositis | 23 | 9/35 | 0/4 | 0.556 |
Periportal fibrosis | 26 | 9/35 | 1/4 | 1.000 |
Hepatic trematode eggs | 8 | 3/35 | 0/4 | 1.000 |
Bile ductular hyperplasia | 44 | 15/35 | 2/4 | 1.000 |
Splenic filamentous peritonitis | 45 | 17/35 | 1/5 | 0.355 |
Splenic serositis | 28 | 11/35 | 0/5 | 0.298 |
Cervical lymph node serositis | 26 | 10/34 | 0/5 | 0.302 |
Mesenteric lymphnode serositis | 46 | 15/34 | 3/5 | 0.647 |
Marginal lymph node serositis | 43 | 11/27 | 2/3 | 0.565 |
Marginal lymph node anthracosis | 10 | 3/27 | 0/3 | 1.000 |
Endometritis | 42 | 10/24 | 1/2 | 1.000 |
Metritis | 23 | 5/24 | 1/2 | 0.415 |
Oophoritis | 19 | 4/24 | 1/2 | 0.354 |
Mastitis | 43 | 3/7 | - | - |
Mammary corpora amylacea | 43 | 3/7 | - | - |
Testicular serositis | 38 | 3/10 | 2/3 | 0.510 |
Endo-, myo- and epicarditis | 51 | 20/35 | 0/4 | 0.047 |
Cardiac fibrosis | 26 | 9/35 | 1/4 | 1.000 |
Meningoencephalitis | 39 | 7/16 | 0/2 | 0.497 |
Myositis | 19 | 6/32 | 1/5 | 1.000 |
Combined serositis | 75 | 26/35 | 4/5 | 1.000 |
Abdominal serositis | 60 | 20/35 | 4/5 | 0.631 |
Thoracic serositis | 20 | 18/35 | 2/5 | 1.000 |
*Fisher's exact test; statistically significant results (p<0.100) in bold.