Noninvasive EEHV Detection in Semi-Captive and Free-Ranging Asian Elephants
The full impact of EEHV in wild elephant populations is largely unknown, as currently, EEHV detection on living elephants requires sampling of blood for viremia and trunk washes for shedding. This study will optimize two additional sample types – feces and discarded chewed plants – under field conditions for the detection of EEHV. The methods will be validated in Asian elephants at the Houston Zoo, and the optimized techniques will be applied to semicaptive and wild herds in Myanmar. The primary goal of this project is to create a standardized collection protocol that will enable epidemiologic studies on shedding patterns. This project seeks also to determine if increased glucocorticoid production, a stress indicator, is related to EEHV shedding, and to identify any human-induced, environmental, and demographic covariates that may contribute to EEHV hemorrhagic disease.