Table 1.
Stranding data, body condition, most significant findings (gross and microscopic), pathogens detected, and the hypothesis of causa mortis in the two animals under study.
| ID | YS | DC | NuS | Age/ Sex |
Main Lesions (Gross and Microscopic) |
Detected Pathogens | Cause of Death |
Reference |
|---|---|---|---|---|---|---|---|---|
| SD1 | 2011 | 3 | Poor | Adult M |
Severe granulomatous pneumonia; fibrinous peritonitis; splenomegaly associated to chronic granulomatous splenitis; cholangiohepatitis; generalized lymphadenitis associated to lymphoid depletion; severe NS meningoencephalitis | Photobacterium damselae subsp. damselae (isolated from blowhole and lungs); Campula palliata (pancreas and liver); Monorygma grimaldi (musculature and peritoneum); Skrjabinalius guevarai (lung); anti-DMV antibodies (1:16) in blood serum (VN) | Infectious disease (parasitic and unknown agent) | [11] |
| SD2 | 2017 | 2 | Moderate | Juvenile M | Skin ulcers; ulcerative glossitis; subcutaneous parasitic cysts; bronchointerstitial pneumonia; multifocal necrotizing hepatitis; cholangiohepatitis; splenomegaly and generalized lymphadenomegaly associated to multicentric lymphoid necrosis; interstitial nephritis; lymphadenitis; severe NS meningoencephalitis | Phyllobotrium spp (blubber); Monorygma grimaldii (musculature); Brucella ceti (isolation from CNS, lung, and spleen; PCR from brain, liver, lung spleen, and lymph nodes); DMV (PCR, IHC from CNS, spleen, kidney, tonsils, and lymph nodes, bladder and muscle); Toxoplasma gondii (PCR, IHC from CNS, lymph nodes, spleen, liver, and muscle); anti-DMV antibodies (1:8) in blood serum (VN); anti-T. gondii antibodies (>1:640) in blood serum, (1:160) in CSF, (1:80) in aqueous humor (IFAT). Severe immunosuppression (CAN = 0.688) [18] | Infectious disease (viral, bacterial, and parasitic) | [10] |
YS = year of stranding; DC = decomposition code (2, fresh; 3, moderate autolysis); NuS = nutritional status; M = male; NS = nonsuppurative; DMV = Dolphin morbillivirus; VN = virus neutralization; CNS = central nervous system; PCR = polymerase chain reaction; IHC = immunohistochemistry; CFS = cerebrospinal fluid; IFAT = indirect fluorescent antibody technique; CAN = canonical variable.