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Smallholder Farmers’ Perceptions and Responses to Climate Change in Multi-stressor Environments: The Case of Maasai Agro-pastoralists in Kenya’s Rangelands 多压力环境下小农对气候变化的认知和反应——以肯尼亚牧场马赛农牧民为例
IF 0.6 Pub Date : 2017-09-28 DOI: 10.12691/AJRD-5-4-4
Chemuliti Judith, S. Mbogoh, A. Chris, I. Patrick
Farmers in Kenya’s rangelands have been responding to simultaneous multiple sources of change in their socioeconomic and environmental conditions for some time. Under such conditions, it is not clear how the increasing effects of climate change are being perceived and reacted to. This paper presents the results of a study that was carried out in the Trans Mara sub-County in the southern rangeland of Kenya to assess the farmers’ perceptions and adaptation to climate change and the constraints that they encountered. An open-ended questionnaire was used to collect data from 206 randomly selected farmers in Kilgoris and Lolgorien administrative Divisions of the sub-County. The results showed that the farmers had reasonable perceptions of climate variability and change and had taken steps to adjust their farming activities. These perceptions were based on their observed changes in rainfall pattern and intensity over the last couple of decades. Diversification of farm enterprises, changing of crop varieties, reducing flock sizes and changing of livestock breeds were the most common adaptation strategies. Lack of financial resources, insufficient labor and limited access to information were the major constraints that impeded adaptation. The results suggest that the farmers are able to discern and to some extent disaggregate the climate stimuli from other stressors. However, the adaptation strategies were closely intertwined with other stressors that go beyond the climate dimension.
一段时间以来,肯尼亚牧场的农民一直在应对社会经济和环境条件同时发生的多种变化。在这种情况下,尚不清楚人们是如何感知和应对日益严重的气候变化影响的。本文介绍了在肯尼亚南部牧场的特兰斯马拉县进行的一项研究的结果,该研究评估了农民对气候变化的认识和适应以及他们遇到的限制。采用开放式问卷法,随机抽取该副县基尔戈里斯和洛戈里安行政区划206名农民进行数据收集。结果表明,农民对气候变率和变化有合理的认识,并采取措施调整其农业活动。这些看法是基于他们在过去几十年里观测到的降雨模式和强度的变化。农业企业多样化、作物品种变化、减少畜群规模和牲畜品种变化是最常见的适应策略。缺乏财政资源、劳动力不足和获取信息的机会有限是阻碍适应的主要制约因素。结果表明,农民能够识别并在一定程度上从其他压力源中分解气候刺激。然而,适应策略与气候维度之外的其他压力因素密切相关。
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引用次数: 1
Present Social Awareness and Economic Condition of Nomadic Bede Community at Narayanganj District in Bangladesh 孟加拉国纳拉扬甘杰地区游牧比德社区的社会意识和经济状况
IF 0.6 Pub Date : 2017-08-25 DOI: 10.12691/ajrd-5-4-3
Raf-Ana-Rabbi Shawon, M. Rabbi
The Bedes were the nomadic people lived scattered and travelled throughout Bangladesh via rivers with a cluster form. The study was conducted in Naraynganj district during the time period from January, 2014 to August, 2014. About 650 bede peoples (Male 278, female 370 and hijra 2) data were collected randomly from various places of Narayangan district like langolbond, Mugrapara, Katchpur, Gulakandail, Kanchan with a prescribed preform questionnaire format. With a view to before finalize the study, the most important basic information were observed carefully within the community and various features of their social and economic data were collected. From the study, it was assumed that the Bede community severely deprived from all types of basic needs of living both social and economic. The most significant constraints were poverty, illiteracy, premature marriage and lack of consciousness about family planning. The social acceptance was uncommon due to their living style, very tough traditional and ritual bindings to make relationship with the other out peoples. They mostly lived under the poverty line. They passed their every day with untold sorrow and sufferings. Due to illiteracy, they were not engaged with officials and others sophisticated jobs. They were deviated from the mainstream of the country economics and development. It was a preliminary work. Further studies will necessary for revealed the unseen scenario of their sorrowful life and find out the solution of major constraints. Its high time to uncover the superstitions of their community and strongly recommended to the Government and others NGO’s to introduce one stop service programs for developing the bede community both socially and economically.
比德人是游牧民族,分散居住,并以集群形式通过河流在孟加拉国各地旅行。研究于2014年1月至2014年8月在naraynangj区进行。在纳拉扬干区langolbond、Mugrapara、Katchpur、Gulakandail、Kanchan等地随机收集了约650名贝德人(男性278人,女性370人,hijra 2人)的数据。为了在完成研究之前,仔细观察了社区内最重要的基本信息,并收集了其社会和经济数据的各种特征。从这项研究中可以看出,比德社区在社会和经济方面都被严重剥夺了各种基本生活需要。最重要的制约因素是贫穷、文盲、早婚和缺乏计划生育意识。由于他们的生活方式,与其他民族建立关系的非常严格的传统和仪式束缚,社会接受度是罕见的。他们大多生活在贫困线以下。他们在说不出的悲伤和痛苦中度过了每一天。由于文盲,他们没有参与官员和其他复杂的工作。他们偏离了国家经济和发展的主流。这是一项初步工作。进一步的研究将揭示他们的悲伤生活的不可见的场景,并找到解决主要制约因素。是时候揭露他们社区的迷信,并强烈建议政府和其他非政府组织引入一站式服务计划,以发展比德社区的社会和经济。
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引用次数: 2
Sustainable Rural Development and Livelihood Sources of the Rural Households in Mountainous Pakistan 巴基斯坦山区农村可持续发展与农户生计来源
IF 0.6 Pub Date : 2017-08-10 DOI: 10.12691/AJRD-5-4-2
M. Israr, Asif Yaseen, Shakeel Ahmad
Livelihoods of the rural households in the developing regions are still dependent on farm and off-farm economic activities and this approach emerged from a range of efforts to understand that how the people survive in a particular area. Empirical research conducted on this subject give diverse results in this respect. The main purpose of the present study was to analyze the livelihood sources and the level of participation of the rural household in various economic activities and their contribution towards the households’ income in northern parts of Pakistan. Primary data was collected through random sampling methods from 323 household’s head. Findings of the study reveal that the rural people are engaged in multiple economic activities including both farm (crop, livestock, forestry, rent land, agriculture wages, hiring out farm machinery, fodder and sale of fruits and vegetables) and off-farm (small-scale businesses, services, foreign and domestic remittances, and off farm wages) for their survival. The lion share of contribution towards household’s income from farm livelihood sources was the income from crops and livestock. In non-farm economic activities public/private sector employment was the major source of non-farm source of livelihood for the rural households in the research area. The average annual income per household from crops was Rs. 65,340, followed by income from forests and livestock respectively. On average, households were earning Rs. 4,33,390 per annum from these sources. The study concludes that the farm sources of income contribute more to the livelihood of the rural people than the non-farm sources of income and hence having play crucial role in the reduction of poverty. The study recommends preservation and a sustainable use of the farm resources so that to overcome the problems faced by the future generation and the creation of more nonfarm activities for sustainable livelihood.
发展中地区农村家庭的生计仍然依赖于农业和非农业经济活动,这种方法是在了解某一特定地区人民如何生存的一系列努力中产生的。对这一主题进行的实证研究在这方面给出了不同的结果。本研究的主要目的是分析巴基斯坦北部地区农村家庭的生计来源和参与各种经济活动的程度及其对家庭收入的贡献。采用随机抽样方法,对323户户主进行调查。研究结果表明,农村人口从事多种经济活动,包括农业(种植、牲畜、林业、土地租赁、农业工资、出租农业机械、饲料和销售水果和蔬菜)和非农(小型企业、服务、国内外汇款和非农工资)以维持生计。农业生计来源对家庭收入贡献的最大份额是作物和牲畜收入。在非农业经济活动中,公共/私营部门的就业是研究地区农村家庭非农业生计的主要来源。每户农作物的平均年收入为65,340卢比,其次是森林和牲畜收入。平均而言,家庭每年从这些来源获得433,390卢比。该研究得出结论,农业收入来源比非农业收入来源对农村人民的生计贡献更大,因此在减少贫困方面发挥了至关重要的作用。该研究建议保护和可持续利用农业资源,以克服下一代面临的问题,并为可持续生计创造更多的非农业活动。
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引用次数: 8
Impact of Participation in Vegetables’ Contract Farming on Household’s Income in the Central Rift Valley of Ethiopia 参与蔬菜承包经营对埃塞俄比亚中部裂谷地区家庭收入的影响
IF 0.6 Pub Date : 2017-08-02 DOI: 10.12691/ajrd-5-4-1
Gemechu Mulatu Kerorsa, J. Haji, B. Legesse, M. Ketema
This study analyzed the impact of vegetables’ contract farming on the household’s income using data collected from 423 smallholder vegetable farmers from four districts of the East Shewa zone, central rift valley of Ethiopia. The study combines both quantitative and qualitative data obtained from desk review, an in-depth household interview, and focus group discussions. The propensity score-matching technique was employed for data analysis due to lack of baseline data and non-randomness of participation in contract farming. First, a probit regression model was used to estimate the propensity for matching participants and non-participants. Then, their incomes were compared. Results show that contract farming has a significant positive effect on the incomes of participating households. Given the vegetable production opportunities available in the study area, it is important to address the challenges of vegetable producers to benefit from contract farming and increase their incomes.
本研究分析了蔬菜合同种植对家庭收入的影响,使用的数据来自埃塞俄比亚中部裂谷东谢瓦地区四个地区的423名蔬菜小农。该研究结合了从案头回顾、深度家庭访谈和焦点小组讨论中获得的定量和定性数据。由于缺乏基线数据和合同农业参与的非随机性,采用倾向得分匹配技术进行数据分析。首先,使用概率回归模型估计参与者和非参与者的匹配倾向。然后,对他们的收入进行比较。结果表明,承包农业对参与农户的收入有显著的正向影响。考虑到研究区域的蔬菜生产机会,解决蔬菜生产者从合同农业中获益并增加收入的挑战是很重要的。
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引用次数: 14
The Influence of Exchange Rate Changes on Agricultural Prices: The Case of Cocoa and Maize in Ghana (1966-2008) 汇率变动对农产品价格的影响:以加纳可可和玉米为例(1966-2008)
IF 0.6 Pub Date : 2017-07-25 DOI: 10.12691/AJRD-5-3-4
Adu-Gyamfi Poku
Exchange rates are a key determinant of the domestic prices for agricultural goods and therefore affect the quantity of these goods produced for domestic consumption and export. Accordingly, in competitive domestic markets with complete market integration with foreign markets, exchange rate changes are fully reflected in the domestic currency prices of traded goods. However, agricultural policy instruments such as intervention mechanisms tend to insulate domestic markets and impede exchange rate transmission. The study examines the influence of nominal exchange rate changes in Ghana on the annual domestic producer prices of cocoa, a traditional export crop, and maize, a non-traditional export crop from 1966 to 2008. Nominal exchange rate changes in Ghana were found to reflect the gradual shift from a fixed to a flexible exchange rate regime since independence. Using an Autoregressive Distributed Lag model, it was discovered that exchange rate transmission was extremely low for both crops. Therefore, it did not have a statistically significant effect on domestic producer prices of cocoa and maize in Ghana. Whiles market intervention was found to be the cause of this phenomenon in the case of cocoa, the very nature of maize as a non-traditional export with low export supply accounted for the lack of exchange rate transmission in the maize sub-sector. Consistently, world price transmission to domestic producer prices of both crops was also not statistically significant.
汇率是农产品国内价格的一个关键决定因素,因此影响到为国内消费和出口生产的这些商品的数量。因此,在与国外市场完全接轨的竞争性国内市场中,汇率的变化充分反映在贸易商品的本币价格上。然而,农业政策工具,如干预机制,往往使国内市场孤立,阻碍汇率传导。该研究考察了1966年至2008年加纳名义汇率变化对传统出口作物可可和非传统出口作物玉米年度国内生产者价格的影响。研究发现,加纳的名义汇率变动反映了自独立以来从固定汇率制度逐步转向灵活汇率制度。利用自回归分布滞后模型,发现两种作物的汇率传递都极低。因此,它对加纳国内可可和玉米的生产者价格没有统计上显著的影响。虽然市场干预被认为是可可出现这种现象的原因,但玉米作为一种非传统出口产品,出口供应量低,这一特性是玉米分部门缺乏汇率传导的原因。同样,这两种作物的国际价格向国内生产者价格的传递在统计上也不显著。
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引用次数: 3
Determinants of household food security in a rangeland area of Uganda 乌干达牧场地区家庭粮食安全的决定因素
IF 0.6 Pub Date : 2017-06-30 DOI: 10.22004/AG.ECON.262839
Mbolanyi Betty, Egeru Anthony, Mfitumukiza David
Pastoralists and agro-pastoralists operating in the rangelands of Uganda remain food insecure. This study determined the status of household food security in Nakaseke district, Uganda. A cross-sectional survey was conducted in February 2016 among 180 randomly selected households. Two measures of food security; a Self-Reported Food Security Status Index (RFSI) and a multi-dimensional index generated through the Principal Component Analysis (PCAI) were used. Ordinary Least Squares (OLS) regressions were performed to identify important determinants. Results showed that 46.8% of the households were food insecure. The perceived peak period for food shortage was between July and August. Most households (95.1%) met their food needs through off-farm sources. Age of household head, educational level of household head, off-farm/ non-farm income, cross-breeding and livestock ownership positively influenced household food security (p≤0.05). The sex of household head, household size (AE) and absence of credit negatively influenced household food security (p≤0.05). It is proposed that a suit of actions including income diversification through participation in offfarm activities, increasing access to education, encouraging crop-livestock integration and improving livestock productivity be used to improve household food security in this rangeland area of Uganda.
在乌干达牧场活动的牧民和农牧民仍然粮食不安全。本研究确定了乌干达Nakaseke地区的家庭粮食安全状况。2016年2月,对随机抽取的180户家庭进行了横断面调查。两项粮食安全措施;采用自我报告粮食安全状况指数(RFSI)和主成分分析(PCAI)生成的多维指数。进行普通最小二乘(OLS)回归以确定重要的决定因素。结果显示,46.8%的家庭处于粮食不安全状态。人们认为食品短缺的高峰期是在7月至8月之间。大多数家庭(95.1%)通过非农业来源满足其粮食需求。户主年龄、户主受教育程度、非农收入、杂交育种和牲畜拥有量对家庭粮食安全有正向影响(p≤0.05)。户主性别、家庭规模(AE)和信贷缺失对家庭粮食安全有负向影响(p≤0.05)。建议采取一系列行动,包括通过参与非农活动实现收入多样化、增加受教育机会、鼓励作物-牲畜一体化和提高牲畜生产力,以改善乌干达这一牧场地区的家庭粮食安全。
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引用次数: 3
Mapping spatial variability of hydric soil properties to delineate Khalong-la-lithunya wetlands 绘制水土壤性质的空间变异性以圈定卡龙-拉-lithunya湿地
IF 0.6 Pub Date : 2017-06-30 DOI: 10.22004/AG.ECON.262852
Gerard Rasekoele Motlalepula, Mapeshoane Botle, Masopha Makoae, Khoeli Makhala, T. Nkheloane, M. Molefe, Motsoane Thabo, Mots’ets’e Motseko
Spatial variability in wetland soils provide insight into underlying ecosystem processes and may itself give an indication of wetland condition. The study was conducted to characterise and delineate soil variability of wetlands of Khalong-la-Lithunya from hydric soil properties. Sampling was carried on three sub catchments within Khalong-la-Lithunya catchment. In each sub catchment soil samples were dug at 100m interval along three transects that were 200m apart. Detailed soil profile description of 36 pits was done following USDA-NRCS (2010) manual. Soil samples were collected to the depth of 90 cm at 15 cm interval and analyzed for soil organic carbon (SOC), Base Cations (Ca2+, Mg2+, Na+, K+) and Cation Exchange Capacity (CEC), available Phosphorus (Av-P), available Nitrogen (Av-N), Soil pH, percentage sand, clay and silt. Mean soil properties were 3.5 mg/kg Av-p, 3.0 mg/kg Av-N, 28.3 % SOC, 5.1 pH, Bulk density 0.7 g/cm3 and the texture is sandy. The means base cations were 2.8, 1.8, 7.9 and 2.3 cmol/ kg for Na, K, Ca and Mg, respectively and CEC 82.5 cmol/kg. Av-P was the most variable property with CV ranging from 115 and 162 % in different soil depths while pH was the least variable with CV ranging from 6 and 12 %. The Nugget/Sill ratios were less than 56 %, indicating random heterogeneity. The semivariograms indicated moderate spatial dependence (25 < DSD ≤ 75%) for soil properties including SOC, Av-P, Av-N, pH and sand. Most properties indicate moderate spatial dependence and hence easily managed. Chemical properties were more variable than physical properties.
湿地土壤的空间变异性提供了对潜在生态系统过程的洞察,并可能本身给出湿地状况的指示。从土壤水化特征出发,对卡龙-拉- lithunya湿地的土壤变异性进行了研究。在Khalong-la-Lithunya流域内的三个子流域进行了采样。在每个子集水区中,沿三个相距200米的样带每隔100米挖取土壤样品。根据USDA-NRCS(2010)手册对36个坑进行了详细的土壤剖面描述。取样深度90 cm,间隔15 cm,测定土壤有机碳(SOC)、碱性阳离子(Ca2+、Mg2+、Na+、K+)和阳离子交换容量(CEC)、速效磷(Av-P)、速效氮(Av-N)、土壤pH、砂、粘土和粉土百分比。平均土壤性质为3.5 mg/kg Av-p, 3.0 mg/kg Av-N, 28.3%有机碳,5.1 pH,容重0.7 g/cm3,质地为砂质。Na、K、Ca和Mg的平均碱阳离子分别为2.8、1.8、7.9和2.3 cmol/kg, CEC为82.5 cmol/kg。在不同土壤深度,v- p变化最大,CV值在115 ~ 162%之间,pH值变化最小,CV值在6% ~ 12%之间。Nugget/Sill比值小于56%,显示随机异质性。土壤有机碳、有机磷、有机磷氮、pH和沙粒的半变异图显示出中等的空间依赖性(25 < DSD≤75%)。大多数属性显示适度的空间依赖性,因此易于管理。化学性质比物理性质变化更大。
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引用次数: 1
Access to and use of video-mediated agricultural information: lessons from the case of Sasakawa global 2000 rice videos in Uganda 视频媒介农业信息的获取和使用:来自乌干达Sasakawa全球2000年稻米视频案例的经验教训
IF 0.6 Pub Date : 2017-06-30 DOI: 10.22004/AG.ECON.262837
G. Karubanga, P. Kibwika, H. Sseguya, F. Okry
Video can be effectively used to provide information to small scale farmers. However, its effectiveness to enhance access to and use of information depends on certain organizational, social, economic and technical factors. This cross-sectional study assessed these organizational, social, economic and technical factors that affect access to and use of agricultural information from the perspective of video participants, using Sasakawa Global 2000 as a case. The study involved conducting six focus group discussions (FGDs) with 48 purposively selected video participants while 100 video participants were selected by census from the registers of the association for individual interviews. Geographical Positioning System (GPS) mapping was used to establish the video catchment areas. While content analysis was applied for qualitative data, quantitative data were analysed using SPSS 18.0 version. ArcGIS version 10.1 software was used to generate the maps. Findings indicate that majority (98%) of the farmers interviewed regarded farming as their major economic activity. Majority of the video participants (94%) approved the use of video for enhancing access by farmers to useful agricultural information. However, our findings revealed that more men (71%) attended the video shows than their female counterparts (29%), because they were favoured by the timing of the video shows which are often screened late at night. About 53% of the video participants travelled 1.5km to attend the video shows with distant video participants (3%) traveling about 7km. The video participants initially got to know about the video shows through their group leaders while others got to know about them by surprise. Use of more technical language in the video and the costs involved in implementing the acquired information respectively limited comprehension of the messages and utilization of the learnt knowledge. Overall, if the timing, location and awareness creation about video events are not addressed, it means that largely men and nearby farmers will continue to attend and benefit from the video shows. Also, if the issue of technical language is not addressed, use of the learnt knowledge is likely to continue being problematic. Thus, the modalities suggested by the farmers with particular efforts on documenting local farmers in their local languages, intensifying awareness creation through local channels, adjusting the timing of video shows and operating them on a rotational basis are vital if video is to enhance access and use of information by farmers.
视频可以有效地用于向小规模农民提供信息。然而,它在增进获取和利用信息方面的有效性取决于某些组织、社会、经济和技术因素。本横断面研究以Sasakawa Global 2000为例,从视频参与者的角度评估了影响农业信息获取和使用的组织、社会、经济和技术因素。是项研究进行了六次专题小组讨论,有目的地选取48名视像参加者,并透过人口普查从协会的登记册中选取100名视像参加者进行个别访谈。利用地理定位系统(GPS)制图建立视频集水区。定性资料采用内容分析,定量资料采用SPSS 18.0版本进行分析。使用ArcGIS 10.1版软件生成地图。调查结果表明,大多数(98%)受访农民将农业视为他们的主要经济活动。大多数视频参与者(94%)同意使用视频增强农民获取有用农业信息的途径。然而,我们的研究结果显示,更多的男性(71%)比女性(29%)观看视频节目,因为他们更喜欢在深夜播放视频节目的时间。约53%的视频参与者前往1.5公里外观看视频表演,而距离较远的视频参与者(3%)前往约7公里外观看视频表演。视频参与者最初是通过他们的组长了解视频节目的,而其他人则是在意外的情况下了解视频节目的。在视频中使用更多的技术语言和执行所获得的信息所涉及的成本分别限制了对信息的理解和对所学知识的利用。总的来说,如果视频活动的时间、地点和意识创造没有得到解决,这意味着大部分男性和附近的农民将继续参加并从视频节目中受益。此外,如果不解决技术语言的问题,那么所学知识的使用可能会继续成为问题。因此,如果视频要提高农民对信息的获取和利用,农民建议的模式至关重要,特别是努力用当地语言记录当地农民,通过当地渠道加强认识,调整视频播放的时间和轮流播放。
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引用次数: 4
Serological survey of Neospora caninum and Besnoitia besnoiti in cattle and goats from smallholder farms in Angónia, Tete Province, Mozambique 莫桑比克太特省Angónia小农农场牛羊中犬新孢子虫和羊小孢子虫的血清学调查
IF 0.6 Pub Date : 2017-06-30 DOI: 10.22004/AG.ECON.262853
Atanasio Nhacumbe Alsacia, Cavele Alfeu, Cristina Cala Aida, Soares Uzêda Rosângela, Paraná Souza Bárbara, F. Luis, R. Müller, Ângela Maria, Antônio Carlos, M. Nelson
Rearing cattle and goats is an important economic activity for smallholder farmers in Mozambique where animals are raised in traditional production systems in communal pastures. Despite its importance, there is little information on their health conditions, particularly the occurrence of infections by parasites that can cause economic losses, especially Neospora caninum and Besnoitia besnoiti. A serological study to estimate the prevalence of Neospora caninum and Besnoitia besnoiti was undertaken in Angonia district of Central Western Mozambique between April and May 2010. Animals were randomly selected at acaricide dip tanks upon the consent of the owners, and all the selected animals were regarded as one flock in each locality. A serological survey for these protozoa was undertaken using the Indirect Fluorescent Antibody Test. A prevalence of anti-N. caninum IgG was estimated in 297 cattle serum samples and 8.4% were positive at the dilution of 1:200 to 1:800, while in goats from the 132 samples 3.8% were positive at 1:50 and 1:100 dilutions. Ninety four cattle samples were examined and 39.4% were positive for anti-B. besnoiti antibodies, which represents a high prevalence. This is the first evidence of seroprevalence of N. caninum in cattle and goats, and of B. besnoiti in cattle in Angonia, Mozambique.
在莫桑比克,饲养牛羊是小农的一项重要经济活动,牲畜是在公共牧场的传统生产系统中饲养的。尽管它很重要,但关于它们的健康状况的资料很少,特别是关于可能造成经济损失的寄生虫感染的情况,特别是犬新孢子虫和贝斯诺提虫。2010年4月至5月期间,在莫桑比克中西部的安戈尼亚区进行了一项血清学研究,以估计犬新孢子虫和兔斯诺提虫的流行情况。经业主同意,在杀螨池内随机抽取动物,每个地点作为一群。采用间接荧光抗体试验对这些原虫进行血清学调查。反n的普遍存在。在297份牛血清样本中检测到犬IgG,在1:200 ~ 1:80的稀释倍数下检测到8.4%的阳性,而在1:50和1:100的稀释倍数下,132份山羊血清样本中检测到3.8%的阳性。共检测牛94份,抗体阳性率为39.4%。Besnoiti抗体,患病率很高。这是在莫桑比克安戈尼亚的牛和山羊中发现犬奈瑟菌血清流行率以及在牛中发现贝氏贝瑟菌血清流行率的第一个证据。
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引用次数: 3
Farmer knowledge, perceptions and management of maize lethal necrosis disease in selected agro-ecological zones of Uganda 乌干达选定农业生态区农民对玉米致命坏死病的知识、认识和管理
IF 0.6 Pub Date : 2017-06-30 DOI: 10.22004/AG.ECON.262842
Barnabus Mudde, Florence Olubayo M'mogi, D. Miano, G. Asea, D. Kilalo, J. Adriko, A. Kiggundu
A new disease on the African continent called maize lethal necrosis disease (MLND) that has been reported to cause up to 100% losses in neighbouring Kenya, has since spread to Uganda. Production of maize in Uganda is now under threat from this devastating virus disease. Understanding farmers’ knowledge, perceptions and management practices is a prerequisite to establishing an effective disease nmanagement approach to halt its spread in Uganda. A survey of 396 farmers from 14 major maize growing districts in five agro-ecological zones of Uganda was conducted in 2015 aimed at assessing farmers’ current knowledge of maize lethal necrosis disease and practices for its management. Most farmers (58.1%) had not heard or observed MLN in their fields. The study reveals that 56.6% of the farmers interviewed first experienced MLN in the year 2014. There was uncertainty of the cause of MLN symptoms among 56.6% of the farmers. Most farmers observed MLN symptoms at one month after planting. Only 21.7% correctly identified MLN symptoms observed. The main MLN symptom observed by most farmers (60.6%) was chlorotic mottle on leaves. Up to 55.3% of farmers attempted to control MLN with the majority (77.4%) managing it through uprooting and burning the diseased plants, which they indicated was effective in managing MLN. These results suggest that MLN control could be achieved by enhancing farmers’ knowledge and considering successful farmer MLN management practices when developing and promoting management practices for this disease.
据报道,非洲大陆出现了一种名为玉米致命坏死病(MLND)的新疾病,在邻国肯尼亚造成高达100%的损失,此后又蔓延到乌干达。乌干达的玉米生产现在正受到这种毁灭性病毒疾病的威胁。了解农民的知识、观念和管理做法是建立有效的疾病管理方法以阻止其在乌干达蔓延的先决条件。2015年对乌干达5个农业生态区14个主要玉米种植区的396名农民进行了一项调查,旨在评估农民目前对玉米致命坏死病的知识及其管理做法。大多数农民(58.1%)没有听说过或观察到他们的田地中有MLN。研究显示,56.6%的受访农民在2014年首次经历了MLN。56.6%的农民出现MLN症状的原因不确定。大多数农民在种植后一个月出现MLN症状。只有21.7%的人正确识别了MLN症状。大多数农民(60.6%)观察到的主要MLN症状是叶片上的褪绿斑驳。高达55.3%的农民试图控制疟疾,其中大多数(77.4%)通过连根拔起和焚烧病株进行管理,他们认为这是控制疟疾的有效方法。这些结果表明,在制定和推广该病的管理做法时,可以通过提高农民的知识和考虑成功的农民MLN管理做法来实现MLN控制。
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Journal of Rural and Community Development
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