Serakalala William Ntshete, Mdletshe Zwelethu Mfanafuthi
Department of Agricultural Economics and Animal Production, Faculty of Science and Agriculture, University of Limpopo, Private Bag X1106, Sovenga, 0727, South Africa.
Trop Anim Health Prod. 2024 Oct 2;56(8):317. doi: 10.1007/s11250-024-04163-z.
The contamination of river systems by tailing dust remains a constraint to goat productivity in communal farming systems. A cross-sectional study was conducted to investigate how resource-limited households in subtropical regions assessed the effects of tailing dust contamination in drinking water on the health status of goats. In a study conducted in the Ba-Phalaborwa Local Municipality, 200 households from two villages were randomly selected and interviewed using a questionnaire. Forty-eight percent (n = 96) of the households were located in contaminated areas, while 52% (n = 104) were from uncontaminated areas. The study found that poor water quality, caused by tailing dust contamination, as well as a high incidence of diseases, were key factors affecting goat productivity. Water contamination was most severe during the hot and cool dry seasons. It was also noted that goats rely on freshwater as their primary source of supplemental water during dry seasons. Urine colour, oedema of the eyelids, and kid survival were indicators for assessing the health status of goats. Nominal binary logistic regression revealed that water contamination was 2.96 more likely to be reported by youth compared to elderly members. Farmers who received informal education were 37 times more likely to report contamination than those who received formal education. High kid mortality as a health status indicator was 50 times less likely to be reported in uncontaminated areas. Intervention strategies for reducing the adverse health effects of tailing dust in contaminated areas should focus primarily on the health of goats during dry seasons.
尾矿粉尘对河流系统的污染仍然是社区养殖系统中山羊生产力的一个制约因素。开展了一项横断面研究,以调查亚热带地区资源有限的家庭如何评估饮用水中尾矿粉尘污染对山羊健康状况的影响。在一项于巴-法拉伯瓦地方市政当局开展的研究中,从两个村庄随机选取了200户家庭,并使用问卷进行访谈。48%(n = 96)的家庭位于受污染地区,而52%(n = 104)的家庭来自未受污染地区。研究发现,尾矿粉尘污染导致的水质差以及疾病高发是影响山羊生产力的关键因素。在炎热和凉爽的旱季,水污染最为严重。还注意到,在旱季山羊依赖淡水作为补充水的主要来源。尿液颜色、眼睑水肿和羔羊存活率是评估山羊健康状况的指标。名义二元逻辑回归显示,与老年成员相比,年轻人报告水污染的可能性高2.96倍。接受非正规教育的农民报告污染的可能性是接受正规教育的农民的37倍。在未受污染地区,作为健康状况指标的羔羊高死亡率被报告的可能性要低50倍。减少受污染地区尾矿粉尘对健康不利影响的干预策略应主要关注旱季山羊的健康。