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Bilateral agricultural aid to Ghana and Uganda: donor practices under different institutional quality 对加纳和乌干达的双边农业援助:不同机构质量下的捐助方做法
Q3 Social Sciences Pub Date : 2024-07-27 DOI: 10.18697/ajfand.132.24830
Hyejin Lee
Agriculture has been the backbone of African economies, and agricultural development has the potential to drive overall economic growth. Considering the importance of agriculture in Africa, foreign aid donors have supported the sector to help push economic growth and reduce poverty. Studies indicate governance quality of a recipient country is an important factor for agricultural aid. Building upon this, the paper explores how bilateral donors provided agricultural aid to two African countries that have different institutional quality, Ghana and Uganda. The analysis of agricultural aid in those two countries was carried out with bilateral aid-profile data from 2011 to 2022. Despite the similar economic importance of agriculture in Ghana and Uganda, donors to Ghana invested the largest amount in agriculture among aid sectors, followed by health. On the other hand, donors to Uganda supported mainly health-relevant sectors with agriculture being ranked only fifth. Donors in both countries implemented agricultural aid mostly as project types. Yet, donors disbursed their aid funds through different aid channels. Donors to Ghana disbursed 48% of agricultural aid funds through the public sector institutions channel (or the state channel). By contrast, donors to Uganda disbursed only 24% of agricultural aid funds through the state channel, essentially bypassing Ugandan public agencies. They instead provided 76% of agricultural aid through the non-state channels such as non-governmental organizations, multilateral organizations, and private entities. Similar donor preferences of the aid disbursement channels were observed with total aid across all aid sectors. Overall, the donor aid profiles suggested donors provided Ghana with more flexible agricultural aid, while in Uganda they controlled agricultural aid more tightly. There could exist multiple underlying reasons for this, but the different level of institutional quality is highly likely one of the possible reasons. For foreign aid, governance quality is an important issue equally to both donors and recipients. Key words: Africa, agriculture, aid channel, bilateral aid, foreign aid, Ghana, governance, Uganda
农业一直是非洲经济的支柱,农业发展具有推动整体经济增长的潜力。考虑到农业在非洲的重要性,外国援助国对农业部门给予了支持,以帮助推动经济增长和减少贫困。研究表明,受援国的治理质量是农业援助的一个重要因素。在此基础上,本文探讨了双边援助国如何向加纳和乌干达这两个体制质量不同的非洲国家提供农业援助。本文利用 2011 年至 2022 年的双边援助概况数据,对这两个国家的农业援助情况进行了分析。尽管农业在加纳和乌干达具有相似的经济重要性,但在援助部门中,对加纳的援助国对农业的投资金额最大,其次是卫生部门。另一方面,乌干达的捐助者主要支持与卫生相关的部门,农业仅排在第五位。这两个国家的捐助者大多以项目形式实施农业援助。然而,捐助国通过不同的援助渠道支付援助资金。加纳捐助者通过公共部门机构渠道(或国家渠道)支付了 48% 的农业援助资金。相比之下,乌干达的捐助方仅通过国家渠道支付了 24% 的农业援助资金,基本上绕过了乌干达的公共机构。相反,他们通过非政府组织、多边组织和私营实体等非国家渠道提供了 76% 的农业援助。在所有援助部门的援助总额方面,也观察到了类似的捐助方对援助支付渠道的偏好。总体而言,捐助方援助概况表明,捐助方向加纳提供的农业援助更为灵活,而对乌干达的农业援助控制更为严格。造成这种情况的根本原因可能有多种,但不同水平的机构质量极有可能是原因之一。对于外国援助而言,治理质量对援助国和受援国都是一个重要问题。关键字非洲、农业、援助渠道、双边援助、外国援助、加纳、治理、乌干达
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引用次数: 0
The impact of globalization on economic growth: insights from sub-Saharan Africa (1971-2019) 全球化对经济增长的影响:撒哈拉以南非洲的启示(1971-2019 年)
Q3 Social Sciences Pub Date : 2024-07-27 DOI: 10.18697/ajfand.132.24910
C-L Chang, W. Awoke
As globalization continues to shape the global economic landscape, understanding its intricate relationship with economic growth remains paramount in regions like sub-Saharan Africa. Hence, this study presents a comprehensive analysis of globalization's impact on economic growth in sub-Saharan Africa from 1971 to 2019. Using panel data from reputable databases on Trade and Development (UNCTAD), World Development Indicators, Penn World Table 10.0, and Our World Data, the paper explores various dimensions of globalization, including economic, social, and political factors. The feasible generalized least square (FGLS) estimation technique was used to analyze data. Findings reveal nuanced dynamics, with social and financial globalization indices showing positive effects on economic growth and statistically significant at 1% significance level. Additionally, this study uncovers the influence of demographic indicators, government consumption, and the rule of law on economic growth. The result of the study revealed demographic indicators, government consumption, and the rule of law had statistically significant impacts on the economic growth of sub-Sahara Africa. In contrast, certain aspects of economic globalization exhibit negative impacts. However, political, trade, information, and cultural globalization had no significant impact on economic growth of the region. It is important to recognize that the absence of significant effects does not necessarily imply an absence of impact, but rather reflects the multifaceted nature of globalization's influence on economic growth. Several factors, including differences in the periods analyzed, may account for the differences in these results compared to previous studies. This study not only adds to the existing literature on globalization and economic growth but also offers valuable insights for policymakers tasked with promoting sustainable development in sub-Saharan Africa. By acknowledging the complexities of globalization's impact, policy makers can formulate more effective strategies to harness its benefits while mitigating its potential drawbacks. This research contributes to a deeper understanding of globalization's role in economic development, laying the foundation for evidence-based policy interventions tailored to the unique challenges and opportunities facing sub-Saharan Africa. Key words: Social globalization, financial globalization, government consumption, economic growth
随着全球化不断塑造全球经济格局,对于撒哈拉以南非洲等地区而言,了解全球化与经济增长之间错综复杂的关系仍然至关重要。因此,本研究全面分析了 1971 年至 2019 年全球化对撒哈拉以南非洲经济增长的影响。本文利用著名的贸易与发展数据库(联合国贸发会议)、世界发展指标、宾大世界表 10.0 和我们的世界数据中的面板数据,探讨了全球化的各个层面,包括经济、社会和政治因素。本文采用可行的广义最小二乘法(FGLS)估计技术来分析数据。研究结果显示了微妙的动态变化,社会和金融全球化指数对经济增长产生了积极影响,并且在 1%的显著性水平上具有统计学意义。此外,本研究还揭示了人口指标、政府消费和法治对经济增长的影响。研究结果表明,人口指标、政府消费和法治对撒哈拉以南非洲地区的经济增长有显著影响。相比之下,经济全球化的某些方面则表现出负面影响。然而,政治、贸易、信息和文化全球化对该地区的经济增长没有显著影响。必须认识到,没有显著影响并不一定意味着没有影响,而是反映了全球化对经济增长影响的多面性。一些因素,包括分析时期的不同,可能是造成这些结果与以往研究不同的原因。本研究不仅丰富了有关全球化和经济增长的现有文献,还为肩负促进撒哈拉以南非洲可持续发展任务的决策者提供了宝贵的见解。通过认识全球化影响的复杂性,政策制定者可以制定更有效的战略,在利用全球化益处的同时减少其潜在弊端。这项研究有助于加深对全球化在经济发展中作用的理解,为针对撒哈拉以南非洲面临的独特挑战和机遇采取循证政策干预措施奠定基础。关键词社会全球化、金融全球化、政府消费、经济增长
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引用次数: 0
Potential contribution of Kenyan-grown quinoa in improving macronutrient and micronutrient intake in children aged 2-6 years in Kenya 肯尼亚种植的藜麦在改善肯尼亚 2-6 岁儿童常量营养素和微量营养素摄入方面的潜在贡献
Q3 Social Sciences Pub Date : 2024-07-27 DOI: 10.18697/ajfand.132.24095
LN Thuku, S. Ngala, Kaindi Dwm, W. Kogi-Makau, Linet Njeri Thuku
The triple burden of malnutrition is a problem that is being fought against at global, continental, regional and national levels. When consumed in adequate quantities, healthy diets are important in reversing the menace of malnutrition. In Kenya, grains are an important source of energy and micronutrients. Even though they contribute most energy and micronutrients, a huge Recommended Daily Allowance deficit still exists. Incorporating ancient grains such as quinoa which are nutrient-rich and can survive in harsh climatic zones into the diets, can boost the efforts made towards the fight against malnutrition. Though quinoa adaptation trials have been conducted in Kenya, expanded data on the nutrient content are yet to be compiled. Between May 2022 and August 2022, four varieties of quinoa; Cherry Vanilla, Titicaca, Brilliant Bright Red and Biobio were grown at the University of Nairobi, Upper Kabete campus field station. The harvests of the four varieties were separately analyzed to determine and compare the content levels of macronutrients (carbohydrates, crude protein, fats) and micro-nutrients (manganese, magnesium, potassium, calcium, iron, copper and zinc). The four varieties were significantly different in all the analyzed elements except moisture content. Cherry vanilla had the highest level of crude protein (25.1±0.3g/100g) and fat (11.46±0.184g/100g) but the lowest level of carbohydrates (42.5±0.4%). Titicaca had the highest amounts of; manganese (21.9±0.06g/100g), potassium (511.9±0.03mg/100g), iron (11.5± 0.07mg/100g) and zinc (14.1±0.0mg/100g). Biobio variety exhibited the highest amount of magnesium (73.9±0.1mg/100g). In conclusion, the different varieties of quinoa significantly differ in their levels of macro and micronutrients. The Kenyan-grown quinoa has the potential to contribute to increased dietary intake of both macronutrients and micronutrients of children aged 2-6 years old. The Kenyan-grown quinoa contains levels of micronutrients in higher amounts compared to maize, rice and wheat - the commonly consumed cereals in Kenya. On this basis, the study recommends that the growing and consumption of quinoa should be promoted in Kenya and introduced into the diets of children aged 2-6 years of age in Kenya. Quinoa-based products for children aged 2-6 years should be developed. Climate zone-oriented agronomic trials on quinoa farming should be conducted. Key words: Quinoa, varieties, Cherry Vanilla, BBR, Titicaca, Biobio, micronutrients, macronutrients
营养不良造成的三重负担是全球、非洲大陆、地区和国家各级都在努力解决的问题。如果摄入足够的食物,健康饮食对于扭转营养不良的威胁非常重要。在肯尼亚,谷物是能量和微量营养素的重要来源。尽管谷物提供的能量和微量营养素最多,但仍存在每日建议摄入量严重不足的问题。藜麦等古老谷物营养丰富,可以在恶劣的气候条件下生存,将其纳入膳食,可以促进消除营养不良的努力。尽管肯尼亚已经开展了藜麦适应性试验,但有关营养成分的更多数据仍有待汇编。2022 年 5 月至 2022 年 8 月期间,内罗毕大学上卡贝特校区田间站种植了四个藜麦品种:樱桃香草、蒂蒂卡卡、亮红色和生物生物。对四个品种的收成分别进行了分析,以确定和比较宏量营养素(碳水化合物、粗蛋白、脂肪)和微量营养素(锰、镁、钾、钙、铁、铜和锌)的含量水平。除水分含量外,四个品种在所有分析元素上都有明显差异。樱桃香草的粗蛋白(25.1±0.3g/100g)和脂肪(11.46±0.184g/100g)含量最高,但碳水化合物(42.5±0.4%)含量最低。Titicaca 的锰含量最高(21.9±0.06g/100g),钾含量最高(511.9±0.03mg/100g),铁含量最高(11.5±0.07mg/100g),锌含量最高(14.1±0.0mg/100g)。Biobio 品种的镁含量最高(73.9±0.1 毫克/100 克)。总之,不同品种的藜麦在宏量和微量营养素含量上存在显著差异。肯尼亚种植的藜麦有可能有助于增加 2-6 岁儿童从膳食中摄入的宏量营养素和微量营养素。肯尼亚种植的藜麦与玉米、大米和小麦(肯尼亚人常食用的谷物)相比,含有更多的微量营养素。在此基础上,研究建议在肯尼亚推广种植和食用藜麦,并将其引入肯尼亚 2-6 岁儿童的饮食中。应为 2-6 岁儿童开发以藜麦为基础的产品。应开展以气候带为导向的藜麦种植农艺试验。关键字藜麦 品种 樱桃香草 BBR Titicaca Biobio 微量营养素 宏量营养素
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引用次数: 0
Effects of Moringa oleifera leaf powder and turmeric powder on carcass composition and meat quality of broiler chickens 辣木叶粉和姜黄粉对肉鸡胴体成分和肉质的影响
Q3 Social Sciences Pub Date : 2024-07-27 DOI: 10.18697/ajfand.132.23860
IO Limbe, J. Tanganyika, A. Safalaoh
The escalating demand for animal products has led to widespread antibiotics usage in broiler diets to maintain health and productivity. However, concerns regarding the emergence of antibiotic-resistant bacteria, potential negative impacts on animal welfare and public health, and consumer preferences for natural alternatives have driven the search for safer and more sustainable approaches. This study aimed to investigate the potential of Moringa oleifera leaf powder (MOLP) and turmeric powder (TP) as antibiotic growth promoter alternatives in broiler chickens, focusing on their impact on performance, carcass characteristics, and meat quality. In a 3x3 factorial experiment, 360 Cobb-500 broilers were allocated to nine treatment groups receiving varying dietary levels of MOLP (0%, 1%, 2%) and TP (0%, 0.25%, 0.5%). Additionally, a separate experiment with 80 birds evaluated the effects of flavomycin supplementation (0.1%) compared to a control group. The results demonstrated that MOLP supplementation significantly increased key performance parameters, including feed intake, body weight gain, final body weight, and production efficiency factor, particularly at the 2% inclusion level. TP supplementation did not significantly influence overall growth performance. Flavomycin, as a positive control, significantly improved final body weights compared to the control group. Interestingly, significant interactions were observed between MOLP and TP, influencing specific aspects of carcass composition and meat quality. Combined supplementation significantly affected liver yield and meat flavour, suggesting potential synergistic effects. However, no significant impacts were observed on other carcass composition parameters, physical meat measurements (colour, drip loss, cooking loss), or sensory attributes (appearance, juiciness, tenderness). Notably, supplementation with 2% MOLP increased dressed weight and breast yield while simultaneously reducing meat redness. Additionally, 0.5% TP supplementation significantly increased gizzard yield, indicating potential benefits for digestive function. Flavomycin supplementation did not significantly influence any carcass composition, physical, or sensory parameters. These findings offer promising evidence that MOLP and TP can be incorporated into broiler diets at levels up to 2% and 0.5%, respectively, as viable alternatives to antibiotic growth promoters. MOLP and TP demonstrated the potential to enhance broiler performance, influence specific carcass and meat quality attributes without compromising overall quality, and promote specific physiological processes like gizzard development. Further research is encouraged to explore the long-term effects of these additives, optimize their inclusion levels for specific benefits, and investigate their potential impact on broiler health and disease resistance. Key words: Antibiotic alternatives, Broiler Meat, Moringa, Performance, Phytobiotics, Turmeric
对动物产品不断增长的需求导致肉鸡日粮中广泛使用抗生素,以维持健康和生产率。然而,人们对抗生素耐药菌的出现、对动物福利和公共卫生的潜在负面影响以及消费者对天然替代品的偏好等问题的担忧,促使人们寻找更安全、更可持续的方法。本研究旨在调查辣木叶粉(MOLP)和姜黄粉(TP)作为肉鸡抗生素生长促进剂替代品的潜力,重点研究它们对肉鸡的生产性能、胴体特征和肉质的影响。在一项 3x3 因式实验中,360 只 Cobb-500 肉鸡被分配到 9 个处理组,分别摄入不同水平的 MOLP(0%、1%、2%)和 TP(0%、0.25%、0.5%)。此外,还用 80 只鸡进行了另一项实验,评估了黄霉素补充剂(0.1%)与对照组相比的效果。结果表明,补充 MOLP 能显著提高主要性能参数,包括采食量、体重增加、最终体重和生产效率系数,尤其是在添加量为 2% 的情况下。补充 TP 对总体生长性能没有明显影响。与对照组相比,黄霉素作为阳性对照能显著提高最终体重。有趣的是,在 MOLP 和 TP 之间观察到了明显的相互作用,对胴体成分和肉质的特定方面产生了影响。联合添加可明显影响肝脏产量和肉质风味,表明可能存在协同效应。然而,对其他胴体成分参数、肉的物理测量(色泽、滴水损失、蒸煮损失)或感官属性(外观、多汁性、嫩度)没有观察到明显的影响。值得注意的是,补充 2% 的 MOLP 可增加胴体重量和胸脯肉产量,同时降低肉的红度。此外,补充 0.5% 的 TP 能显著提高鸡胗产量,这表明它对消化功能有潜在益处。补充黄霉素对胴体成分、物理或感官参数没有显著影响。这些研究结果提供了很有希望的证据,证明在肉鸡日粮中添加 MOLP 和 TP(添加量分别不超过 2% 和 0.5%)可作为抗生素生长促进剂的可行替代品。MOLP 和 TP 具有提高肉鸡生产性能、影响特定胴体和肉质属性而不影响整体质量以及促进胗发育等特定生理过程的潜力。鼓励进一步研究这些添加剂的长期效果,优化其添加水平以获得特定益处,并调查其对肉鸡健康和抗病能力的潜在影响。关键词抗生素替代品、肉鸡肉、辣木、性能、植物生物、姜黄
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引用次数: 0
Toxicity of rock dust and charcoal powder enhanced with diatomaceous earth against rice weevil in maize stored by smallholder farmers 用硅藻土增强岩屑和木炭粉对小农储存的玉米中稻飞虱的毒性
Q3 Social Sciences Pub Date : 2024-07-27 DOI: 10.18697/ajfand.132.23240
M. Sitoe, J. Zorzetti, Pmoj Neves
Maize is a major staple food in Africa, its production and post-harvest generally occurs on smallholder farmers' properties, where significant food losses occur in the field during harvesting, processing and storage. Most smallholder farmers lack access to modern methods of harvesting, processing and storage. Generally, the storage structures used are ineffective against storage pests, leading to post-harvest losses due to insect pests that, in some cases, can reach about 40% of the total production. Pest control is generally scarce, and when adopted, it is based on local knowledge-based pest control alternatives or on the application of synthetic pesticides known to be harmful to the environment and human and animal health. So, alternative pest control methods commonly found include the use of inert dust as an integrated pest management approach, without residual effects and ideal for food safety. This study aimed to determine the efficacy of charcoal powder (CP) and rock dust (RD) alone or combined with diatomaceous earth (DE) in the control of rice weevil (Sitophilus oryzae). Maize grains were treated and infested by the addition of Sitophilus oryzae, on the day they were treated and, 30 and 60 days after treatment. Mortality was assessed at 10 and 20 days after each infestation. Emerged insects were counted 40 days after the second mortality assessment for each infestation period. At 90 days after treatment, the seed germination test was performed. The best treatments for Sitophilus oryzae control (mortality) and F1 emergence reduction were RD (0.5, 0.25 and 0.10 g/kg), RD+DE (0.5+0.05, 0.25+0.05 and 0.10+0.05 g/kg), and CP+DE (1.0+0.05, 0.50+0.05 and 0.25+0.05 g/kg). The RD and RD+DE remained efficient in maize treated and stored for 60 days. The treatments did not interfere with seed germination. Rock Dusts, RD+DE, and CP have the potential to be used as stored grain protectants, providing economically and environmentally friendly pest control alternatives, especially in small-scale agriculture. In developing countries, especially in sub-Saharan Africa, studies for optimization and introduction of inert dusts tested in this research, have the potential to reduce post-harvest losses, improving food security. Key words: Inert dust, stored maize, biological agriculture, storage pests, diatomaceous earths
玉米是非洲的主要主食,其生产和收获后一般都在小农户的田地里进行,在收获、加工和储存过程中会造成大量粮食损失。大多数小农户缺乏现代收割、加工和储存方法。一般来说,使用的储藏结构无法有效抵御储藏害虫,导致虫害造成的收获后损失在某些情况下可达到总产量的 40%左右。害虫控制通常很少,即使采用,也是基于当地知识的害虫控制替代方法,或使用已知对环境和人类及动物健康有害的合成杀虫剂。因此,常见的虫害防治替代方法包括使用惰性粉尘作为虫害综合防治方法,这种方法没有残留影响,是食品安全的理想选择。本研究旨在确定木炭粉(CP)和岩石粉(RD)单独使用或与硅藻土(DE)结合使用对稻飞虱(Sitophilus oryzae)的防治效果。在处理当天、处理后 30 天和 60 天,对玉米粒进行处理并加入稻飞虱。每次侵染后 10 天和 20 天评估死亡率。在每个侵染期第二次评估死亡率 40 天后,对出土昆虫进行计数。处理后 90 天,进行种子发芽试验。在控制 Sitophilus oryzae(死亡率)和减少 F1 出现方面效果最好的处理是 RD(0.5、0.25 和 0.10 克/千克)、RD+DE(0.5+0.05、0.25+0.05 和 0.10+0.05 克/千克)和 CP+DE (1.0+0.05、0.50+0.05 和 0.25+0.05 克/千克)。经过处理并储存 60 天的玉米中,RD 和 RD+DE 仍然有效。这些处理对种子萌发没有影响。岩粉、RD+DE 和氯化石蜡有可能用作储藏谷物的保护剂,提供经济、环保的害虫控制替代品,尤其是在小规模农业中。在发展中国家,尤其是撒哈拉以南非洲地区,对本研究中测试的惰性粉尘进行优化研究和引进,有可能减少收获后的损失,提高粮食安全。关键词惰性粉尘、储藏玉米、生物农业、储藏害虫、硅藻土
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引用次数: 0
A diallel cross-based analysis of the genetic basis of pod quality and pod yield in snap bean 豆荚质量和豆荚产量的遗传基础分析
Q3 Social Sciences Pub Date : 2024-07-27 DOI: 10.18697/ajfand.132.24675
SN Njau, EE Arunga, R. Otsyula, S. Njau
Snap bean (Phaseolus vulgaris L.) is among the leading vegetables in Kenya that is mainly grown for export with the potential to increase household income. There are few programs in Kenya that focus on breeding new cultivars for increased production. The development of snap bean varieties that are resilient to the changing climate is crucial for sustainable agriculture in Kenya. To achieve this, knowledge of gene action, trait expression, and heritability is vital in effective breeding for quantitative traits like pod quality and yield. A study was conducted to investigate the inheritance of pod quality and yield traits in snap beans, which can inform the breeding of snap beans. A half diallel cross involving two indeterminate dry beans (G2333 and MCM 5001) and five determinate snap beans (Amy, Moonstone, Seagull, Serengeti and Vanilla) varieties was conducted. Data on pod traits (pod weight per plant, pod number per plant, pod length, pod diameter, pod wall fiber and pod suture string) were collected from 21 F1s and 7 parents grown in two locations (Embu and Kirinyaga Counties) in Kenya. The results showed significant genotypic and environmental effects (P < 0.001) for all traits, with significant genotype by environment (G × E) interactions for most traits. Additionally, general combining abilities (GCA) and specific combining abilities (SCA) were significant for all traits evaluated. The significance of GCA and SCA indicated the importance of both additive and non-additive gene effects in controlling the traits, although the additive gene effects were predominant. The study revealed that Vanilla and Serengeti had the highest GCA estimate for pod quality traits, while G2333 and MCM5001 had the highest GCA estimate for pod yield traits. Snap bean pod yield and quality are quantitative traits controlled by multiple genes and influenced by the environment. Therefore, the predominance of additive gene effects suggests that selection for these traits in segregating generations could yield satisfactory gains. The results of this study could impact the development of snap bean varieties that are more resilient to the effects of climate change. Thus, improving the sustainability and productivity of the agriculture sector in Kenya. Key words: Snap bean, GCA, SCA, gene action, heritability, combining ability
菜豆(Phaseolus vulgaris L.)是肯尼亚的主要蔬菜之一,主要用于出口,具有增加家庭收入的潜力。肯尼亚很少有计划专注于培育新的栽培品种以提高产量。培育能够适应气候变化的豆角品种对于肯尼亚的可持续农业至关重要。要实现这一目标,了解基因作用、性状表达和遗传率对于有效培育豆荚质量和产量等数量性状至关重要。这项研究旨在调查豆荚质量和产量性状的遗传情况,为豆荚育种提供参考。研究人员对两个不定株干豆品种(G2333 和 MCM 5001)和五个定株豆品种(Amy、Moonstone、Seagull、Serengeti 和 Vanilla)进行了半等位杂交。收集了在肯尼亚两个地点(恩布县和基里尼亚加县)种植的 21 个 F1 和 7 个亲本的豆荚性状数据(单株豆荚重量、单株豆荚数、豆荚长度、豆荚直径、豆荚壁纤维和豆荚缝合线)。结果表明,所有性状都有明显的基因型和环境效应(P < 0.001),大多数性状都有明显的基因型与环境(G × E)交互作用。此外,一般结合能力(GCA)和特殊结合能力(SCA)对所有评估性状都有显著影响。GCA 和 SCA 的显著性表明,加性和非加性基因效应在控制性状方面都很重要,但加性基因效应占主导地位。研究表明,香草和塞伦盖蒂对豆荚质量性状的 GCA 估计值最高,而 G2333 和 MCM5001 对豆荚产量性状的 GCA 估计值最高。脆豆豆荚产量和质量是由多个基因控制并受环境影响的数量性状。因此,加性基因效应占主导地位表明,在分离世代中对这些性状进行选择可获得令人满意的收益。这项研究的结果可能会对开发更能抵御气候变化影响的豆角品种产生影响。从而提高肯尼亚农业部门的可持续性和生产力。关键词豆角、GCA、SCA、基因作用、遗传率、结合能力
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引用次数: 0
Use of technology for sustainable livestock processes: a bibliometric review 利用技术促进可持续畜牧业发展:文献计量学综述
Q3 Social Sciences Pub Date : 2024-07-27 DOI: 10.18697/ajfand.132.23515
J. Ramírez-Durán, WA Niebles, Stojanovich-Morante, JA Guerra-Cogollo, J. Ramírez-Durán
To this date, livestock activity continues to constitute one of the main bastions of the world economy and global food security. Still, just as it is vital for the subsistence of humanity, it also generates environmental and health effects that deserve attention, and that forge the irrevocable need to look for all possible alternatives to guarantee the sustainability of animal production processes. Therefore, this research has been developed under the framework of a review of the scientific literature related to the use of technology to develop sustainable livestock production processes. This review consisted of a bibliometric analysis developed within the Scopus database, delimiting all the documents published between 1987 and 2023, based on the keywords: "Sustainability", "Livestock" and "Technology", from which the data was obtained, using the search equation (TITLE-ABS-KEY ( "sustainability" ) AND TITLE-ABS-KEY ( "livestock" ) OR TITLE-ABS-KEY ( "cattle breeding" ) OR TITLE-ABS-KEY ( "cattle raising" ) OR TITLE-ABS -KEY ( "cattle" ) AND TITLE-ABS-KEY ( "technology" ) ). A total of 887 papers in all were discovered as a consequence, with journal articles accounting for 59% of them, reviews for 19%, conference articles for 11%, and other formats for the remaining 11%. The scientific output examined between 1987 and 2023 demonstrates an increasing tendency in the study area, with the years 2019 to 2022 exhibiting the biggest publishing peaks (47% of all published papers). The findings indicate that 60% of the papers produced for the study subject were published in the United States, the United Kingdom, India, Australia and Italy. Furthermore, Sustainability (Switzerland), Animal, Journal of Animal Science, Journal of Cleaner Production and IOP Conference Series: Earth and Environmental Science, were the journals that published the most on the topic, accounting for 13% of the total publications. The remaining publications are distributed among various journals. Considering that 92% of researchers in this subject are temporary, Koziel JA is the author with the most publications with seven. Similarly, Wageningen University and Research, Iowa State University, Empresa Brasileira de Pesquisa Agropecuária - Embrapa, University of Guelph and Università Degli Studi di Milano were the institutions that conducted the most research on the study's subject, accounting for 11% of the publications. Key words: livestock, sustainability, cattle raising, cattle breeding, cattle, technology, health, environment
时至今日,畜牧业仍然是世界经济和全球粮食安全的主要支柱之一。然而,尽管畜牧业对人类的生存至关重要,但它也会对环境和健康造成影响,这值得关注,而且不可逆转地需要寻找一切可能的替代办法,以确保畜牧业生产过程的可持续性。因此,本研究是在对有关利用技术开发可持续畜牧生产工艺的科学文献进行综述的框架下开展的。该综述包括在 Scopus 数据库中开发的文献计量分析,根据关键词对 1987 年至 2023 年间出版的所有文献进行了界定:"使用搜索公式(TITLE-ABS-KEY("可持续性")和 TITLE-ABS-KEY("牲畜")或 TITLE-ABS-KEY("养牛")或 TITLE-ABS-KEY("养牛")或 TITLE-ABS-KEY("牛")和 TITLE-ABS-KEY("技术"))从中获取数据。结果共发现 887 篇论文,其中期刊论文占 59%,综述占 19%,会议论文占 11%,其余 11%为其他形式的论文。从 1987 年到 2023 年的科研成果来看,该研究领域的论文数量呈上升趋势,其中 2019 年到 2022 年是论文发表的最高峰(占已发表论文总数的 47%)。研究结果表明,60%的研究论文发表在美国、英国、印度、澳大利亚和意大利。此外,《可持续发展》(瑞士)、《动物》、《动物科学杂志》、《清洁生产杂志》和《IOP 会议系列》也是发表论文最多的期刊:此外,《可持续性》(瑞士)、《动物》、《动物科学杂志》、《清洁生产杂志》和《IOP 会议系列:地球与环境科学》是就该主题发表论文最多的期刊,占论文总数的 13%。其余出版物分布在不同期刊上。考虑到该主题 92% 的研究人员为临时人员,Koziel JA 是发表文章最多的作者,共发表了 7 篇文章。同样,瓦赫宁根大学与研究中心、爱荷华州立大学、巴西农业研究公司、圭尔夫大学和米兰大学也是对研究课题进行研究最多的机构,发表的论文占 11%。关键词:牲畜、可持续发展、养牛、育牛、牛、技术、健康、环境
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引用次数: 0
Sustainability of the agricultural sector in Mexico – compliance or not - with key United Nations’ 17 Sustainable Development Goals: Aguascalientes as a case study 墨西哥农业部门的可持续性--是否符合联合国 17 项主要可持续发展目标:阿瓜斯卡连特斯案例研究
Q3 Social Sciences Pub Date : 2024-07-27 DOI: 10.18697/ajfand.132.24770
J. Domínguez-Soberanes, MA Mendoza-Moreno, GL De Feis, M. Peralta-Contreras
Mexico is considered one of the most critical countries contributing to food production worldwide. However, Mexico needs help in agricultural practices and the pressure to optimize water usage. Considering that food production worldwide, directly and indirectly, relates to Goals 2, 4, 6, 7, 11, 12, and 15 of the United Nations’ 17 Sustainable Development Goals (SDGs) adopted in 2015, it is essential to address the challenges and pressure Mexico faces in its agricultural practices to optimize technical irrigation, access to land extension, and crop rotation usage. Some productive zones within central Mexico are called the Bajío Region, where Aguascalientes is located and the main focus of the current case study. This study aims to collect information to understand the main factors and challenges in the primary sector in this region. This study used a survey instrument to assess the actions of 54 farmers during the pandemic, to detect farmers’ technical needs, level of preparedness, water conservation knowledge, technology adaptability, and knowledge of the current public policy in Aguascalientes State. The data analyzed included; socioeconomic aspects, water and energy conservation, food processing awareness, and public policy perception. The results showed that participants could adjust public policies and use more technical training to build sustainable agricultural growth to the SDGs, and look for increased productivity within the representative crops in the region. The significant challenges Aguascalientes face are, limited water resources, the incentive production mindset, and a more technology-intensive approach, as is needed in Northern Mexico as a region. The primary goal is to develop a more resilient agricultural system, and to find characteristics for small and medium-sized producers. The first step is to increase knowledge among the main actors in the primary sector regarding the potential technical barriers to increasing productivity. The study concluded that the socioeconomic background of agricultural entrepreneurs and their education level is essential to adopting technology for production to increase and strengthen food security for Aguascalientes. Key words: Aguascalientes, Agricultural Sector, Agricultural Entrepreneurs, Public Policy, Water
墨西哥被认为是对全球粮食生产贡献最大的国家之一。然而,墨西哥在农业实践和优化用水压力方面需要帮助。考虑到全世界的粮食生产直接或间接地关系到 2015 年通过的联合国 17 个可持续发展目标(SDGs)中的目标 2、4、6、7、11、12 和 15,因此必须解决墨西哥在农业实践中面临的挑战和压力,以优化技术灌溉、土地推广和轮作使用。墨西哥中部的一些生产区被称为巴希奥地区,阿瓜斯卡连特斯就位于该地区,也是本案例研究的主要关注点。本研究旨在收集信息,以了解该地区第一产业的主要因素和挑战。本研究使用调查工具对 54 位农民在大流行期间的行动进行评估,以了解农民的技术需求、准备程度、节水知识、技术适应性以及对阿瓜斯卡连特斯州现行公共政策的了解。分析的数据包括:社会经济方面、节水节能、食品加工意识和公共政策观念。结果表明,参与者可以调整公共政策,利用更多的技术培训来实现可持续发展目标的可持续农业增长,并寻求提高该地区代表性作物的生产率。阿瓜斯卡连特斯面临的重大挑战包括:水资源有限、激励性生产思维以及墨西哥北部地区所需的技术密集型方法。首要目标是建立一个更具弹性的农业系统,并为中小型生产商寻找特色。第一步是让第一产业的主要参与者更多地了解提高生产率的潜在技术障碍。研究得出结论,农业企业家的社会经济背景及其教育水平对于采用生产技术提高和加强阿瓜斯卡连特斯的粮食安全至关重要。关键词阿瓜斯卡连特斯、农业部门、农业企业家、公共政策、水
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引用次数: 0
African Youth are Truly Rising: Can Africa Feed itself 非洲青年正在真正崛起:非洲能否养活自己
Q3 Social Sciences Pub Date : 2024-07-27 DOI: 10.18697/ajfand.132.ed142
Ruth Khasaya Oniang'o
AFRICA RISING: This is a term coined in 2011 to describe the rapid economic growth across Sub-Saharan Africa since 2000 and the anticipated continuation. The Financial Times defines Africa Rising as a "narrative that improved governance means the continent is almost predestined to enjoy a long period of mid-to-high single-digit economic growth, rising incomes and an emerging middle class" [1]. The term was first coined by The Economist in December 2011 [2, 3]. Was that term Africa Rising timely then? Going by what is going on in my mother country of Kenya, I believe this is now truly Africa Rising. Why is that so? This is a new era in the world, a unique era, a turning point, the era of the internet, the era of AI, the era of fast growth, and meta data, an era of going to the bottom of the ocean, to the skies and the orbit, it is an era of information overload, it is an era of Innovation and Kenya and Africa will not be left behind. But things can only work when there is good governance and political good will. Africa has a huge youth population and the youngest population in the world; there is no doubt we are sitting on a powder keg if we cannot think of how best to manage this population. This is currently being demonstrated in Kenya. The genesis is in when primary education was made free at the start of year 2003. The adult literacy rate in Kenya is over 83 percent, and the graduate output is about 50, 000 per year, yet very few job opportunities. As a country, Kenya has invested very well in education, but the question is: where do the so many well educated Kenyans go for jobs? We come from a terrible past of colonialism (1920-1960) and a hard won independence. The Mau Mau struggle (1952-1960) during which many Kenyans were massacred, mutilated, executed and separated from their families. To date, as a nation we have never recovered from the atrocities of the colonial era. We are told the Kenyan coffers were empty when power changed hands. The initial freedom fighters might have had a good vision, and hopes for their people to have better prospects in life. The political elites and opportunists took over and just continued with "things as usual", without addressing what the struggle was all about. Sixty years later, after independence in 1963, the young generation are at a loss as to what freedom we actually got, just for a few? They cite a myriad of problems starting with bad governance which leads to: joblessness, theft of public resources, inept public services, promotion of mediocracy and refusal to recognize and promote talent and innovation, high cost of living, over taxation without much to show for it, and so on. As I have grown older, I appeal to the young people of Africa to work on ridding the continent of the indignity of hunger, malnutrition, poverty and disease. This for me is the start of Africa rising, a new phase that will run for a couple of decades or so, as we try to change African citizens’ mindsets. Good luck to all of
非洲崛起:这是 2011 年创造的一个术语,用来描述撒哈拉以南非洲自 2000 年以来的快速经济增长以及预期的持续增长。英国《金融时报》将 "非洲崛起 "定义为 "一种观点认为,治理的改善意味着非洲大陆几乎注定会长期保持中高个位数的经济增长,收入不断增加,中产阶级不断涌现"[1]。该词由《经济学人》于 2011 年 12 月首次提出[2, 3]。当时,"非洲崛起 "一词是否恰逢其时?从我的祖国肯尼亚的情况来看,我认为现在才是真正的 "非洲崛起"。为什么这么说呢?这是世界的一个新时代,一个独特的时代,一个转折点,一个互联网的时代,一个人工智能的时代,一个快速增长的时代,一个元数据的时代,一个走向海底、天空和轨道的时代,这是一个信息过载的时代,这是一个创新的时代,肯尼亚和非洲不会落后。但是,只有具备善治和政治意愿,一切才能奏效。非洲青年人口众多,是世界上最年轻的人口;毫无疑问,如果我们不能想到如何最好地管理这些人口,我们就会坐在火药桶上。肯尼亚目前正在证明这一点。2003 年初,肯尼亚开始实行免费初等教育。肯尼亚的成人识字率超过 83%,每年的毕业生人数约为 50,000 人,但就业机会却很少。作为一个国家,肯尼亚在教育方面的投入非常大,但问题是:这么多受过良好教育的肯尼亚人去哪里找工作?我们曾经历过殖民主义(1920-1960 年)和来之不易的独立。毛乌斗争(1952-1960 年)期间,许多肯尼亚人遭到屠杀、肢解、处决并与家人失散。迄今为止,作为一个国家,我们从未从殖民时代的暴行中恢复过来。有人告诉我们,肯尼亚的国库在权力易手时是空的。最初的自由战士可能怀有美好的愿景,希望他们的人民有更好的生活前景。政治精英和机会主义者接手后,只是继续 "一切照旧",并没有解决斗争的根本问题。60 年后,即 1963 年独立后,年轻一代对我们究竟得到了什么自由感到茫然,仅仅是为了几个人?他们列举了无数的问题,首先是治理不善导致失业、公共资源被盗、公共服务无能、助长庸才、拒绝承认和促进人才与创新、生活成本高昂、税收过高却没有多少回报,等等。随着年龄的增长,我呼吁非洲的年轻人努力使非洲大陆摆脱饥饿、营养不良、贫困和疾病的屈辱。对我来说,这是非洲崛起的开始,在我们努力改变非洲公民观念的过程中,这将是一个持续几十年左右的新阶段。祝我们大家好运。当然,这必须从能够养活自己开始。到目前为止,还没有人知道非洲崛起的方向在哪里,但由知名公司进行的最新民意调查显示,我们年轻人的抗议活动在全国范围内得到了 80% 以上的支持。
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引用次数: 0
Analysis of small-scale farmers’ indigenous knowledge of bambara groundnut - a case of Syringavale, Zimbabwe 分析小农对班巴拉花生的本土知识--津巴布韦 Syringavale 案例
Q3 Social Sciences Pub Date : 2024-07-27 DOI: 10.18697/ajfand.132.23500
Y. Maphosa, Victoria Jideani
Bambara groundnut (BGN), a legume in the Fabaceae family, is typically cultivated on a small scale by female subsistence farmers in sub-Saharan Africa. Despite being the largest exporter of BGN in southern Africa, Zimbabwe considers BGN a supplementary crop. Although components of BGN have been previously studied, this study involved active participation from local farmers, leading to a more community-driven understanding of perceptions and practices surrounding this legume. This study was conducted in the Syringavale community in Marula, situated in the Matabeleland South province of Zimbabwe and consisted of fifty Black African respondents [females (86%) and males (14%)]. The primary aim was to collect indigenous information on consumer perceptions, agricultural and processing practices, cultural beliefs and superstitions, and the overall significance of BGN in the community. Simple random sampling was used to select fifty households, from a list of sixty BGN-cultivating households, in the study area, followed by judgmental sampling to choose one respondent per selected household. Then after, a mixed-methods approach was applied, with structured questionnaire administered first, followed by in-depth interviews. Thematic analysis was employed to systematically identify and categorise themes, sub-themes and patterns within qualitative responses. Bambara groundnut was cultivated at household level, mostly by married women over the age of 40 and held dietary, agricultural, medicinal and traditional significance. Different components of the BGN crop, such as the seeds, leaves, flowers, roots and pods were reported to serve as food, fodder, medicine, maturity indicators and compost. Boiling, soaking, roasting, baking, cracking and frying were the cooking methods used in the community, with boiling being the most common method used by 100% of respondents. Respondents (100%) showed a preference for the mature green seed over the dry seed due to the significant time and energy consumption associated with cooking the latter. Some respondents (52%) sold their BGN produce in the open market, at home, to wholesalers, as well as in petty batter. Urbanisation, heavy rains and cultural beliefs were cited as major hindrances to BGN production. The prioritisation of BGN in terms of land allocation was recommended considering its nutritional and economic value as well as its potential contribution to the alleviation of poverty and malnutrition. Key words: Bambara groundnut, subsistence farming, legumes, poverty alleviation, small scale farmers
班巴拉花生(Bambara groundnut,BGN)是豆科植物,通常由撒哈拉以南非洲地区的女性自给农进行小规模种植。尽管津巴布韦是南部非洲最大的班巴拉落花生出口国,但它仍将班巴拉落花生视为一种辅助作物。虽然以前曾对 BGN 的成分进行过研究,但本研究让当地农民积极参与,从而使人们对这种豆科植物的看法和做法有了更多由社区驱动的了解。这项研究在津巴布韦南马塔贝莱兰省马鲁拉的锡林加瓦勒社区进行,共有 50 名非洲黑人受访者(女性占 86%,男性占 14%)。主要目的是收集有关消费者看法、农业和加工实践、文化信仰和迷信以及 BGN 在社区中的总体意义的本地信息。研究采用简单随机抽样法,从研究区 60 户种植 BGN 的家庭中抽取 50 户,然后采用判断抽样法,每户抽取一名受访者。然后,采用混合方法,首先发放结构化问卷,然后进行深入访谈。采用主题分析法对定性回答中的主题、次主题和模式进行系统识别和分类。班巴拉花生由家庭种植,主要由 40 岁以上的已婚妇女种植,具有饮食、农业、医药和传统意义。据报告,班巴拉花生作物的不同成分,如种子、叶子、花、根和豆荚,可用作食物、饲料、药物、成熟指标和堆肥。社区使用的烹饪方法有煮、浸泡、烤、烘烤、爆裂和煎炸,其中煮是 100%的受访者最常用的方法。与干种子相比,受访者(100%)更喜欢成熟的绿色种子,因为烹饪干种子需要耗费大量的时间和能源。一些受访者(52%)在公开市场、家中、批发商和小面糊店出售他们的 BGN 产品。城市化、暴雨和文化信仰被认为是 BGN 生产的主要障碍。考虑到 BGN 的营养和经济价值及其对减轻贫困和营养不良的潜在贡献,建议在土地分配方面优先考虑 BGN。关键词班巴拉花生、自给农作、豆科植物、减贫、小规模农户
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African Journal of Food, Agriculture, Nutrition and Development
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