The environment matters: season and female contact affect the behavior of captive Addax nasomaculatus male antelope

IF 1.1 4区 生物学 Q4 BEHAVIORAL SCIENCES
Matías Villagrán, Mariana Ceva, Ariane Machiñena, Mariana Perdomo, Lucas Berro, Cesar Echaides, Juan Pablo Damián
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Abstract

The addax antelope (Addax nasomaculatus) is a species under serious threat of extinction, as it is more abundant in captivity than in the wild. However, little is known about its basic biology. The aims of this study were to determine how locomotor, feeding, aggressive, marking, and sexual behavior of male addax allocated in all-male groups vary with season and with female contact (i.e., biostimulation). The study was conducted in captive conditions, in two groups of adult males: one with no-physical contact with females, aside from visual and olfactory interactions (CF group, n = 4), and another group completely isolated from females (IF group, n = 4). The frequency of behaviors was recorded during the daytime, 4 days per season (total time of observation = 256 h). Lying, standing, walking, aggressive, marking, grazing, and ruminating behaviors as well as water and supplement consumptions varied with season (all p < 0.05). The lying, walking, marking, grazing, and ruminating behaviors were more frequently observed for CF than IF males (all p < 0.05). Also, all behaviors, except for marking, varied with the interaction between the group and seasons (all p < 0.05). Sexual behavior was extremely scarce, so it was not possible to analyze how it varied with seasons and the group. The present study suggests that management program and housing conditions, especially in ex situ breeding plans, should consider the influence of the season and the sociosexual context on the behavior of addax males.

Abstract Image

环境因素:季节和雌性接触会影响圈养的鼻马角雄性羚羊的行为
阿达克斯羚羊(addax nasomaculatus)是一个面临严重灭绝威胁的物种,因为它在人工饲养的数量比野生的要多。然而,人们对其基本生物学知之甚少。本研究的目的是确定在全雄性组中分配的雄性addax的运动、摄食、攻击、标记和性行为如何随季节和雌性接触(即生物刺激)而变化。该研究在圈养条件下进行,分为两组成年雄性:一组除了视觉和嗅觉互动外,与雌性没有任何身体接触(CF组,n = 4),另一组与雌性完全隔离(IF组,n = 4)。在白天记录行为频次,每季节4天(观察总时间256 h)。躺卧、站立、行走、攻击、标记、放牧和反刍行为以及水分和补充物的消耗随季节而变化(p < 0.05)。CF组的躺卧、行走、标记、放牧和反刍行为比IF组的多(p < 0.05)。除打标外,其他行为均随种群与季节的交互作用而变化(p < 0.05)。性行为极其稀少,因此不可能分析它是如何随季节和群体而变化的。本研究表明,管理方案和生境条件,特别是在迁地繁殖计划中,应考虑季节和社会性别背景对addax雄性行为的影响。
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来源期刊
acta ethologica
acta ethologica 生物-动物学
CiteScore
1.90
自引率
0.00%
发文量
18
审稿时长
>12 weeks
期刊介绍: acta ethologica publishes empirical and theoretical research papers, short communications, commentaries, reviews and book reviews as well as methods papers in the field of ethology and related disciplines, with a strong concentration on the behavior biology of humans and other animals. The journal places special emphasis on studies integrating proximate (mechanisms, development) and ultimate (function, evolution) levels in the analysis of behavior. Aspects of particular interest include: adaptive plasticity of behavior, inter-individual and geographic variations in behavior, mechanisms underlying behavior, evolutionary processes and functions of behavior, and many other topics. acta ethologica is an official journal of ISPA, CRL and the Portuguese Ethological Society (SPE)
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