Evaluation of Rhodamine B as a biomarker for assessing bait acceptance in wild pigs
Abstract
ABSTRACT Worldwide, there is growing interest in the use of pharmaceutical baits to control populations of wild pigs ( Sus scrofa ). In this study we evaluated the utility of Rhodamine B (RB), a chemical marker commonly used in wildlife research and management, as a potential biomarker for quantifying bait uptake in wild pigs. Thirty wild pigs were live‐trapped, transported to a captive facility on the Department of Energy's Savannah River Site located in South Carolina, USA, during autumn 2013, and administered RB orally at a dosage of 30 mg/kg. Eight vibrissae and guard hairs were collected pre‐ and post‐RB exposure (7 or 14 days) and evaluated for the presence of RB using fluorescence microscopy. No evidence of RB marking was observed in any samples collected pre‐RB administration. In contrast, we observed fluorescent marking post‐RB exposure that was indicative of the presence of RB for all individuals, with 98% of vibrissae and 100% of guard hairs exhibiting RB marks. The uniform detection of RB among individuals and consistent manifestation of marks in both guard hair and vibrissae, samples that easily can be collected and stored by untrained field personnel from live or deceased pigs, suggests that RB is an effective biomarkermore »
- Authors:
-
- Savannah River Ecology Laboratory University of Georgia P.O. Drawer E Aiken SC 29802 USA
- United States Department of Agriculture Animal Plant Health Inspection Service Wildlife Services National Wildlife Research Center 125 Stone Boulevard Scales Building Mississippi State MS 39762 USA
- Publication Date:
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1401600
- Grant/Contract Number:
- DE‐FC09‐07SR22506
- Resource Type:
- Publisher's Accepted Manuscript
- Journal Name:
- Wildlife Society Bulletin (Online)
- Additional Journal Information:
- Journal Name: Wildlife Society Bulletin (Online) Journal Volume: 39 Journal Issue: 1; Journal ID: ISSN 1938-5463
- Publisher:
- Wiley Blackwell (John Wiley & Sons)
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Beasley, James, Webster, Sarah C., Rhodes, JR., Olin E., and Cunningham, Fred L. Evaluation of Rhodamine B as a biomarker for assessing bait acceptance in wild pigs. United States: N. p., 2014.
Web. doi:10.1002/wsb.510.
Beasley, James, Webster, Sarah C., Rhodes, JR., Olin E., & Cunningham, Fred L. Evaluation of Rhodamine B as a biomarker for assessing bait acceptance in wild pigs. United States. https://doi.org/10.1002/wsb.510
Beasley, James, Webster, Sarah C., Rhodes, JR., Olin E., and Cunningham, Fred L. Thu .
"Evaluation of Rhodamine B as a biomarker for assessing bait acceptance in wild pigs". United States. https://doi.org/10.1002/wsb.510.
@article{osti_1401600,
title = {Evaluation of Rhodamine B as a biomarker for assessing bait acceptance in wild pigs},
author = {Beasley, James and Webster, Sarah C. and Rhodes, JR., Olin E. and Cunningham, Fred L.},
abstractNote = {ABSTRACT Worldwide, there is growing interest in the use of pharmaceutical baits to control populations of wild pigs ( Sus scrofa ). In this study we evaluated the utility of Rhodamine B (RB), a chemical marker commonly used in wildlife research and management, as a potential biomarker for quantifying bait uptake in wild pigs. Thirty wild pigs were live‐trapped, transported to a captive facility on the Department of Energy's Savannah River Site located in South Carolina, USA, during autumn 2013, and administered RB orally at a dosage of 30 mg/kg. Eight vibrissae and guard hairs were collected pre‐ and post‐RB exposure (7 or 14 days) and evaluated for the presence of RB using fluorescence microscopy. No evidence of RB marking was observed in any samples collected pre‐RB administration. In contrast, we observed fluorescent marking post‐RB exposure that was indicative of the presence of RB for all individuals, with 98% of vibrissae and 100% of guard hairs exhibiting RB marks. The uniform detection of RB among individuals and consistent manifestation of marks in both guard hair and vibrissae, samples that easily can be collected and stored by untrained field personnel from live or deceased pigs, suggests that RB is an effective biomarker for use in large‐scale management programs to control wild pigs. In particular, our results, combined with previous studies evaluating uptake of RB in other species, suggest that RB can be used to develop baiting programs to deliver pharmaceuticals to free‐ranging wild pigs, as well as evaluate the potential impacts of pig baits on non‐target species. © 2014 The Wildlife Society.},
doi = {10.1002/wsb.510},
journal = {Wildlife Society Bulletin (Online)},
number = 1,
volume = 39,
place = {United States},
year = {Thu Dec 18 00:00:00 EST 2014},
month = {Thu Dec 18 00:00:00 EST 2014}
}
https://doi.org/10.1002/wsb.510
Web of Science
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