Staphylococcus aureus and methicillin-resistant Staphylococcus aureus in juvenile green turtle (Chelonia mydas) carcasses, rearing seawater, feed and their antibiotic resistances
Thanaporn Chuen-im, Korapan Sawetsuwannakun, Thongchai Taechowisan, Nakarin Kitkumthorn
TL;DR
This study found Staphylococcus aureus and antibiotic-resistant strains in juvenile green turtles and their environment, highlighting a growing health risk.
Contribution
The study identifies methicillin-resistant Staphylococcus aureus in juvenile green turtles and reveals evolving antibiotic resistance patterns.
Findings
Staphylococcus aureus was isolated from rearing water, fish fillet, and juvenile turtle carcasses but not from incoming coastal seawater.
More S. aureus isolates from turtles showed antibiotic resistance compared to those from rearing water and fish fillet.
Methicillin-resistant S. aureus was more prevalent in juvenile turtle carcasses, indicating a potential health threat.
Abstract
Staphylococcus aureus is an opportunistic bacterium that can infect humans and animals. We previously reported that Staphylococcus aureus as one of the most frequent Gram-positive bacteria found in the infection in juvenile green turtles (Chelonia mydas) from the Sea Turtle Conservation Center of Thailand (STCCT), Sattahip, Chonburi Province. It was also the most detected Gram-positive bacteria in rearing seawater. In this study, we investigated the presence of S. aureus in coastal seawater used as supply water to rearing containers, rearing water, fish fillet used as feed, and juvenile green turtle carcasses at STCCT. From the results, S. aureus can be isolated from rearing water, fish fillet, and juvenile turtle carcasses but not from incoming coastal seawater. The determination of antibiotic resistance against 11 drugs demonstrated that more S. aureus from juvenile turtles were…
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Taxonomy
TopicsTurtle Biology and Conservation · Aquaculture disease management and microbiota · Venomous Animal Envenomation and Studies