AMA, Agricultural Mechanization in Asia, Africa and Latin America
AMA, Agricultural Mechanization in Asia, Africa and Latin America (AMA) (issn: 00845841) is a peer reviewed journal first published online after indexing scopus in 1982. AMA is published by Farm Machinery Industrial Research Corp and Shin-Norinsha Co. AMA publishes every subjects of general engineering and agricultural engineering.
WOS Indexed (2025)
27 Nov 2025 (Vol - 56 , Issue- 11 )
30 Nov 2025 (Vol - 56 , Issue 11 )
Aim and Scope :
AMA, Agricultural Mechanization in Asia, Africa and Latin America
AMA, Agricultural Mechanization in Asia, Africa and Latin America (ISSN: 00845841) is a peer-reviewed journal. The journal covers Agricultural and Biological Sciences and all sort of engineering topic. the journal's scopes are in the following fields but not limited to:
Agricultural and Biological Sciences
Electrical Engineering and Telecommunication
Electronic Engineering
Computer Science & Engineering
Civil and architectural engineering
Mechanical and Materials Engineering
Transportation Engineering
Industrial Engineering
Industrial and Commercial Design
Information Engineering
Chemical Engineering
Food Engineering
Management Practices followed by the Kangayam Cattle Farmers of Tamil Nadu
The present study was conducted in Coimbatore, Erode, Karur and Tirupur districts of Tamil Nadu with the objective to determine the management practices followed in Kangayam cattle rearing. Kangayam cattle farmers were identified and selected through snowball sampling technique leading to a total of 50 respondents in each district. Thus a total of 200 respondents were selected for the study. The management practices in Kangayam cattle rearing were ascertained through using semi – structured interview schedule at the time of personal interviews supported with informal discussion and non participant observations and the data was analyzed by using appropriate statistical methods. The results revealed that majority of the respondents (64.00 per cent) reared Kangayam cattle in loose housing with temporary shelters. Nearly half of the (47.00 per cent) animal sheds (both temporary sheds in loose system as well as in semi intensive system) were situated within the respondents compound. A high majority of the respondents (89.00 per cent) constructed their animal sheds in East – West orientation and nearly one – half (49.00 per cent) of the farmers had thatched roof and 55.00 per cent of animal sheds had earthen type of floor. More than one- half of the farmers (58.00 per cent) followed the feeding pattern of grazing other than in Korangadu and majority of the farmers (85.00 per cent) grazed their cattle four to eight hours in a day. Nearly 80.00 per cent of the farmers practiced feeding of concentrate prepared by self to their cattle and an average 4.5 Kg of concentrate feed was given to adult cattle per day by the farmers. Majority of the farmers (73.50 per cent) followed only natural service to breed their Kangayam cattle and estrus signs were observed regularly by 90.00 per cent of the farmers and majority (62.00 per cent) of the farmers observed mucus discharge as a sign of heat. Majority of the farmers regularly dewormed their cattle, less than one –half of the farmers practiced regular vaccination for their cattle. Feeding and watering utensils were possessed by all farmers and they practiced knuckling method of milking. Hence, studies can be conducted in all the breeding tract of the native breeds of Tamil Nadu to obtains a comprehensive view of the scope of native cattle farming in the future.
Histological Investigation of the Caecum in Aseel Birds
The caeum are the paired organs consist of three parts the Base, Body and Apex. The length of the villi is greater in the base region of the caecum. The villi consist of less number of goblet cells. Crypts of lieberkhun are noticed in the lamina propria region. Goblet cells are more in these glands and also endocrine cells are noticed in the glands. Lymphatic nodules and diffuse lymphatic tissues are found in the lamina propria region of mucosa. The distribution of lymphatic nodules in the propria regions similar in appearance of payers patches of ileum in mammals. The intestinal glands and lymphatic nodules are surrounded by dense collagen fibres. The smooth muscle fibres and collagen fibres penetrated the core of villi. The Tunica muscularis is made up of inner circular and longitudinal smooth muscle fibres. The Tunica serosa is thinner.
Molecular characterization of Plant Growth Promoting Rhizobacteria associated with Bacterial Stalk rot disease in Maize by using 16S rRNA sequence analysis
Bacterial stalk rot of maize caused by Dickeya zeae previously known as E. chrysanthemi pv. zeae have economic importance of reduced crop yield up to 98.8%. The disease is more prevalent in rainy season in India. The bacterium prefers high temperature and moisture for their growth result is plant toppled down within week. Plant growth promoting rhizobacteria (PGPR) are able to stimulate growth and resistance against plant diseases when they are able to have a positive effect on the plant health, and then demonstrate good competitive qualities and capabilities over existing rhizosphere communities. Ten rhizobacterial isolates were isolated uing nutrient agar and TSA and Kings B media from maize rhizospheric soil at Indian Agricultural Research Institute Delhi and KVK, Dhaulakuan Himachal Pradesh. These rhizobacterial were molecular characterized and identified by using 16S rRNA sequencing, namely B. cereus (JCM2152), Bacillus stercoris (D7XPN1), B. stercoris(JCM 30051), B. vallismortis. (NBRC101236), B.rugosus (SPB7), B. rugosus (SPBP), B. velezensis(CBMB205), B. wiedmanni (FSLW8-0169), Calidifontibacillus erzurumensi (P216S), Priestia endophytica(2DT). Phylogenetic tree grouped these isolates into two groups. The 16S rRNA sequence of strain JCM2152 was found 99.36% higher identical to Bacillus cereus. Strain NBRC101236 was found 92.70% lower similarities to Bacillus vallismortis.
The Evaluation of Morpho-Pomological Diversity of the Most Popular Indigenous Olive Tree Varieties from Traditional Olive Groves in Northeastern Algeria
Traditional olive groves in Algeria exhibit significant varietal richness that varies from one region to another, reflecting extensive genetic diversity critical for food security and agriculture. This genetic potential must be harnessed for plant breeding through specific and scientifically robust identification processes. This study investigates the variability of pomological characteristics among indigenous olive varieties in northeastern Algeria. It was conducted in two plots in the Skikda region, using a balanced sampling design (10 trees per variety and 30 olives per tree) to assess four widely cultivated local varieties recognized by farmers: Chemlal, Azeradje, Bouricha, and Ségoise. A total of 38 morpho-pomological traits were evaluated, including 16 quantitative and 22 qualitative characteristics of the fruit, kernel, and leaves. Significant pomological variability was observed among these four varieties. The results revealed that the varieties differ along a gradient of size and productive potential (PC%). Fruit and endocarp traits exhibited a higher discriminatory potential than leaf traits, which showed limited variability. Notably, the form and symmetry of the fruit and kernel played a critical role in differentiating the varieties, with diversity indices H and H′ for these traits exceeding 0.8. These traits also had the most significant influence on the observed phenotypic variability. The findings underscore the importance of pomological descriptors in cataloging and identifying olive varieties. These descriptors complement recent advances in genetic markers, enabling reliable variety identification and characterization of olive tree genetic resources.
Challenges Faced by Veterinarians in Livestock Service Delivery: An Analysis through Principal Component Approach and Weighted Mean Score
The veterinarians in Livestock Service Delivery face huge challenges while rendering livestock services particularly the challenges faced are huge when the services are offered in rural areas. Keeping this in mind, the study was conducted to identify and analyze the constraints faced by veterinarians in livestock service delivery in Tamil Nadu and propose sustainable solutions. Through the Multi-stage sampling technique, data was collected from 120 Veterinarians. In the first stage, the highly progressive districts and least progressive districts were identified by application of principal component analysis and composite index construction. From each district, 12 veterinarians from the Government Veterinary Centre, 6 veterinarians from Cooperatives, 6 veterinarians from private cooperatives, and 6 veterinarians from private practitioners. The constraints faced were studied through 6 dimensions: Machines, Materials, Men, Policy, and Time and Distance categories. These dimensions of constraints were analyzed through a weighted mean score approach and constraints of serious nature are identified and analyzed. These constraints from various categories or dimensions are also analyzed through factor analysis by the principal component approach. Key findings revealed that human resource constraints, including inadequate manpower, no promotional opportunities, and being burdened with administrative tasks, were the most significant barriers, accounting for 22% of the total variation. Workplace challenges, such as handling outbreaks, waste management, and occupational safety, accounted for 15%. Material constraints, including shortages of drugs and protective gear, and issues related to time and distance were also highlighted. Policy-related issues, such as budgetary constraints further exacerbated the problem. The study concludes that through improved infrastructure and policy reforms, livestock service delivery can be enhanced, and sustainable improvement in veterinary services can be achieved.