Author:
Sweetapple P. J.,Nugent G.
Abstract
As part of a study investigating the efficacy of toxic foliage baits for
controlling red deer in New Zealand, a pen trial was conducted to determine
whether red deer could be marked by oral dosing with the serum marker
iophenoxic acid. The doses required to mark red deer, retention times, and the
relationship between dose and serum concentration of the marker were also
investigated. Three groups of three deer were fed baits containing 0.26, 2.32,
and 6.10 mg iophenoxic acid per kilogram of bodyweight. Mean serum iodine
concentration was significantly greater in deer fed marked baits for at least
40 days after dosing than in deer fed unmarked baits. The level of marking in
each group was proportional to the dose, suggesting that iophenoxic acid may
be used to quantify the amount of bait consumed by red deer. Iophenoxic acid
is, therefore, an effective serum marker for red deer and could be used in
short- and medium-term ecological and bait technology development field
trials.
Subject
Management, Monitoring, Policy and Law,Ecology, Evolution, Behavior and Systematics
Cited by
8 articles.
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