• Andrea M Haulenbeek and Larry S Katz.
• Department of Animal Sciences, Rutgers University, New Brunswick, NJ 08901, USA.
• Horm Behav. 2011 Aug 1; 60 (3): 244-7.

AbstractPreference testing has shown that sexually experienced male goats choose females that are tail wagging, a behavior that may function as both attractivity and proceptivity, over those that are not. We hypothesized that exposure to females expressing high rates of tail wagging would arouse males, increasing sexual performance. Tail wagging rate could be manipulated because we have shown previously that flutamide treatment increases the frequency of tail wagging in estrous goats. Sexually experienced males observed different stimuli for 10 min before a 20 min sexual performance test (SPT). The stimuli were an empty pen (MT), or groups of three females that were all estrous (E), non-estrous (NE), estrous+flutamide (E(F)) or non-estrous+flutamide (NE(F)). During the stimulus observation period, tail wagging was recorded. During SPT, frequencies and latencies of sexual behaviors were recorded. E(F) females displayed the most tail wagging. Viewing E(F) females before SPT increased the number of ejaculations attained by males and decreased the latencies to first and second ejaculation, as well as the inter-ejaculatory interval. Viewing estrous females (E and E(F)) before SPT decreased the latency to first mount, as compared to non-estrous females (NE and NE(F)). We conclude that male goats are sexually aroused by tail wagging. This study and previous work demonstrate that tail wagging functions as both attractivity and proceptivity in goats.Copyright © 2011 Elsevier Inc. All rights reserved.

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