Browsing Life sciences and Bio-engineering by Subject "Research Subject Categories::NATURAL SCIENCES"
Now showing items 61-80 of 280
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Comparative assessment of greenhouse gas fluxes and crop yields from various land use systems in Wakiso District, central Uganda
(NM-AIST, 2021-07)Land use systems, mainly, crop farming is among the leading sources of greenhouse gas emissions into the atmosphere, driving climate variability and global warming. This study aimed to compare greenhouse gas fluxes and ... -
Comparative assessment of soil phosphate status, water eutrophication, and potentially toxic metal accumulation in Usagu agro-ecosystem
(NM-AIST, 2022-08)The present study assessed (i) soil fertility, phosphate status, sorption capacity and saturation, (ii) accumulation and distribution of potentially toxic elements (PTEs) in soils and plants, and (iii) soil and surface ... -
Complementary feeding practices and the risk of exposure to aflatoxins among infants and young children in Kongwa, Tanzania
(NM-AIST, 2022-08)Aflatoxins (AFs) are secondary fungal metabolites that commonly contaminate foods like nuts and cereals and pose major public health concerns like impaired child growth, immune system suppression, liver cancer and death. ... -
Conserved, breed-dependent, and subline-dependent innate immune responses of Fayoumi and Leghorn chicken embryos to Newcastle disease virus infection.
(Scientific Reports, 2019-05-10)Newcastle disease virus (NDV) is a threat to the global poultry industry, but particularly for smallholder farmers in low- and middle-income countries. Previous reports suggest that some breeds of chickens are less susceptible ... -
Constraints to utilization of the African nightshades and the effects of lactic acid fermentation on its nutritional and sensory qualities
(NM-AIST, 2023-08)African nightshades (ANS, Solanum nigrum complex) are among the most widely distributed and consumed indigenous vegetables in Tanzania. Several challenges hamper the utilization of ANS. This study sought to assess ... -
Current State of Modern Biotechnological-Based Vaccines for Aquaculture: A Systematic Review.
(Hindawi, 2019-07-29)This systematic review describes what "the cutting edge vaccines for are". The focus is on types of high tech biotechnological based vaccines, target gene or antigen in developing these vaccines, and challenge model fish ... -
Cyanotoxins occurrence in drinking waters and risk of exposure to human in Ukerewe district Mwanza, Tanzania
(2020-04)There is global concern regarding the increase of cyanobacteria and cyanotoxins in freshwater and their potential effects on human health. This study was conducted to determine the occurrence of cyanotoxins and assessed ... -
Design of burner and study of combustion characteristics of pyrolysis oil from biomass
(NM-AIST, 2017-12)Conversion of biomass to fuel provides a positive contribution for fossil fuel replacements. In addressing challenges associated with the combustion of pyrolysis oil (bio-oil), this research aimed at developing a burner ... -
Detection and characterization of cashew leaf and nut blight-causing fungi in Southern and Eastern Tanzania
(NM-AIST, 2019-03)Cashew (Anacardium occidentale L.) is an important crop for export, income and nutrition in Tanzania. However, its productivity is not optimal due to a number of factors including, growing un-improved cashew genotypes, ... -
Detection and genetic characterization of sylvatic and outbreak African swine fever virus isolates in selected zones of Tanzania
(NM-AIST, 2022-07)This thesis is about African swine fever (ASF), a severe disease of domestic pigs that is notifiable according to OIE. Virus strains circulating in Tanzania have been changing from time to time making surveillance ... -
Determinants of Agropastoralist Households’ Fodder Accessibility and Rangeland Conservation in Magu District, Tanzania
(Elsevier, 2022-03)The availability and accessibility of adequate and quality fodder is a huge challenge for pastoral and agropastoralist communities in Tanzania. Fodder scarcity, primarily driven by rangeland degradation, population growth, ... -
Determining aflatoxins contamination in locally processed peanut butter using fluorometry and hplc in Arusha city, Tanzania
(NM-AIST, 2019-02)Food poisoning with mycotoxins produced by fungi is a global food safety issue. The consumption of mycotoxin-contaminated foods is responsible for several foodborne diseases outbreak worldwide. While peanuts are an important ... -
Developing a context specific climate smart aquaculture framework for improving food security in Tanzania
(NM-AIST, 2021-07)Aquaculture has great potential to improve global food and nutrition security. However, due to the effect of climate changes and poor fish farming practices in some countries, it favors the accumulation of chemicals ... -
Developing an eco-friendly and bio-managment stratergy against parthenium hysterophorus (l.) in Arusha, Tanzania
(NM-AIST, 2019-03)This study aimed at studying the suppressive effects of Sorghum bicolor, Tagetes erictus Amaranthus spinous and Sorghum arundinaceum and Cassia tora on germination and development of Parthenium hysteroporus L. under ... -
Development of bio-pesticide for management of spodoptera frugiperda (j. e. smith) and other lepidoptera pests of maize in Tanzania
(NM-AIST, 2020-03)This study was conducted to evaluate the infestation levels and develop management option for a Lepidoptera namely fall armyworm (Spodoptera frugiperda J. E. Smith). The survey was carried out in three regions of northern ... -
Development of maize-based composite flour enriched with mushroom for complementary feeding
(NM-AIST, 2021-08)Complementary foods based on habitual cereals such as maize have been linked with the promotion of under-nutrition in young children. This study aimed at improving the nutritional value of maize flour commonly used as a ... -
Development of quality dried cashew apple products
(NM-AIST, 2020-08)Cashew apple is an important healthy fruit and yet is highly underutilized in developing countries. This study explored factors affecting utilization of cashew apple among farmers in Lindi and Mtwara regions. Semi-structured ... -
Development of ta2o5 electrochemically reduced graphene oxide nanocomposite electochemical sensor for oxytetracycline detection in Milk
(NM-AIST, 2021-07)Various kinds of antimicrobials are being used in the veterinary sector for therapeutic and growth promotion purposes. Significant amounts of antimicrobial residues are released in the milk and exert harmful effects ... -
Development, feasibility and potential effectiveness of community-based continuous mass dog vaccination delivery strategies: lessons for optimization and replication
(bioRxiv, 2022-03-13)Objectives Dog vaccination can eliminate rabies, but annual delivery strategies do not sustain vaccination coverage between campaigns. We describe the development of a community-based continuous mass dog vaccination (CBC-MDV) ... -
Dietary Practices, Nutrient Adequacy, and Nutrition Status among Adolescents in Boarding High Schools in the Kilimanjaro Region, Tanzania.
(Hindawi, 2020-07-01)A cross-sectional study was conducted to assess dietary practices, nutrient adequacy, and nutrition status among 164 adolescents aged between 16 and 19 years in boarding secondary schools in the Kilimanjaro region. In-depth ...