Consejo Nacional de Investigaciones Científicas y Técnicas, Centro Regional de Investigaciones Científicas y Transferencia Tecnológica, La Rioja, Argentina.
Mem Inst Oswaldo Cruz. 2013 May;108(3):352-8. doi: 10.1590/S0074-02762013000300014.
Goat production is an important economic activity for rural communities in the Gran Chaco of Argentina. Goat corrals are important for the survival of peridomestic populations of Triatoma infestans. This study evaluated the impact of modifying the traditional structure of goat corrals on T. infestans populations and goat productivity in the region of Los Llanos (La Rioja). Thirty-nine experimental corrals were constructed and 57 traditional corrals were used as controls. We evaluated the infestations of the control and experimental corrals for five years following construction of the structures. The results showed that the new structures did not prevent the colonization, although it enhanced the detection of infestation at low densities of T. infestans. No significant difference was found in T. infestans population abundance between control and experimental corrals, probably because of the different detectability in the two types of structures, especially among the small nymphs. Although goat productivity average was higher in experimental than in control corrals, no significant difference was found because of high variability. The new structures can be used as a complement to promote the development of rural communities. Acceptability and adoption of the new corrals by the owners was high, as the enclosures offered better protection for the goats, increased growth of kids and facilitated herd handling.
山羊养殖是阿根廷格兰查科地区农村社区的一项重要经济活动。山羊围栏对于家栖性传播媒介三带喙库蚊种群的生存至关重要。本研究评估了改造传统山羊围栏结构对该地区洛斯利亚诺斯（拉里奥哈省）三带喙库蚊种群和山羊生产力的影响。建造了 39 个实验围栏，并将 57 个传统围栏用作对照。在结构建成后，我们对对照和实验围栏进行了五年的侵扰评估。结果表明，新结构并没有阻止三带喙库蚊的定殖，尽管它增强了在低密度时的侵染检测。在对照和实验围栏中，三带喙库蚊种群丰度没有显著差异，这可能是由于两种结构的检测能力不同，尤其是在小若虫中。尽管实验围栏中的山羊生产力平均值高于对照围栏，但由于高度的变异性，没有发现显著差异。新的结构可以作为一种补充手段，促进农村社区的发展。由于围栏为山羊提供了更好的保护，增加了幼崽的生长，并便于管理羊群，因此所有者对新围栏的接受度和采用度很高。
