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First report of Madurella mycetomi induced systemic pulmonary and myocardium mycosis in Dugong dugon, Mersing, Johore

Dugongs, is also known as sea cows were registered as the endangered species (IUCN, 2010) and rare in Malaysia. Dugongs can be found in the shallow waters of shoals, reefs, sand flats, and seagrass beds throughout Johor, Sabah and Sarawak. Pulau Sibu and Pulau Tinggi have the highest concentration of Dugong with estimated at 50 heads (DOF, 2016). April 2017, a male Dugong carcass estimated age of 10 to 20 years, 1.3m length, and weighing 150kg, was found death in Pulau Tinggi, Mersing Johor. Ante-mortem revealed an old and new scars at the anterior part of the abdomen and the right eye was protruded out and bleeding while the post mortem revealed the upper small intestine and the stomach compartments were semi-impacted with a massive helminth named Paradujardinia halicoris worms. Zoonotic fungus named Madurella mycetomi were isolated from heart and lung. Histologically, the big mast cells which formed capsules was presence in the bronchiole where the macrophages invade and engulf the spores causing systemic mycoses .The shrinkage of myocardium myocyte and myocardium necrosis with mild vasculitis indicates heart failure. Groucott’s stain confirmed Madurella mycetomi infection that induced systemic pulmonary and myocardium mycosis in Dugong dugon.  

Keywords: Dugong dugon; Pulau Tinggi, Mersing ; male; Paradujardinia  halicoris; Madurella mycetomi     

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About this Article Paper

Norina Lokman. First report of Madurella mycetomi induced systemic pulmonary and myocardium mycosis in Dugong dugon, Mersing, Johore. 30th Veterinary Association of Malaysia (VAM) Congress. 19th-20th October, 2018. Hilton Hotel, Petaling Jaya, Malaysia.(Abstract of Rapid Oral Presentation).


Norina Lokman,  Jabatan Perkhidmatan Veterinar Negeri Johor, Aras 5, Kompleks C2s, East Wing Pusat Pentadbiran Baru Kerajaan Johor, 79000 Nusajaya, Johor  

Corresponding author: norinaanuar@gmail.com 


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