Espinosa José, Granados José E, Cano-Manuel Francisco J, López-Olvera Jorge R, Ráez-Bravo Arián, Romero Diego, Soriguer Ramón C, Pérez Jesús M, Fandos Paulino
Departamento de Biología Animal, Biología Vegetal y Ecología, Universidad de Jaén, Campus Las Lagunillas s/n, 23071 Jaén, Spain.
Espacio Natural Sierra Nevada, Carretera Antigua de Sierra Nevada, Km 7, E-18071 Pinos Genil, Granada, Spain.
Vet Parasitol. 2017 Aug 30;243:151-156. doi: 10.1016/j.vetpar.2017.06.022. Epub 2017 Jun 27.
Normal development of the ovarian cycle is a key factor in ensuring female reproductive success. Sarcoptes scabiei has been shown to induce changes in host physiology, although the effects of this mite on the female reproductive cycle are still unknown. In an attempt to clarify this issue, the number of ovarian structures (primary follicles, secondary follicles, Graaf follicles, corpus luteum and corpus albicans) in female Iberian ibex (Capra pyrenaica) affected by sarcoptic mange was explored by histological analysis of samples taken from 102 females selectively harvested in the Sierra Nevada Natural Space, southern Spain. The effect of mange status, body weight (corrected for age), age and year of sampling on the number of ovarian structures was assessed using generalized linear models. Our results provide evidence that sarcoptic mange alters follicular dynamics through a reduction in host body weight, whose main consequences are noted in follicular maturation and ovulatory capacity.
卵巢周期的正常发育是确保雌性生殖成功的关键因素。疥螨已被证明会引起宿主生理变化，尽管这种螨虫对雌性生殖周期的影响仍不清楚。为了阐明这个问题，通过对从西班牙南部内华达山脉自然保护区选择性捕杀的102只雌性西班牙野山羊身上采集的样本进行组织学分析，研究了感染疥螨的雌性西班牙野山羊卵巢结构（初级卵泡、次级卵泡、格拉夫卵泡、黄体和白体）的数量。使用广义线性模型评估疥螨感染状况、体重（根据年龄校正）、年龄和采样年份对卵巢结构数量的影响。我们的结果表明，疥螨感染通过降低宿主体重改变卵泡动态，其主要后果体现在卵泡成熟和排卵能力方面。
