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Aufsatz
Icing the Cake: A Lifestyle-based Benefit and Preference Analysis on Online Grocery Shopping
(2022-07-31)
Germany has not kept pace with the global development of online grocery shopping (OGS) and despite a pandemic-related increase remains on a moderate level. This phenomenon may reflect infrastructural benefits of stationary retailing, personal and household preferences, and perceptions of OGS services. To this end, this study investigates the determinants of OGS benefit perception addressing the interconnection between personal and household benefits and situational conditions based on qualitative ...
Dissertation
Towards crop communities: exploring wheat diversity, wheat-pea species mixtures and farming practice in a food system context
(2022-06)
This thesis combines experimental work on heterogeneous crop populations (HP) and species mixtures (SM) with a social scientific and participatory approach. Chapter 1 introduces crop communities as a concept to integrate multiple approaches to diversify farming systems. HPs provide intraspecific and SM interspecific diversity in crop communities. A key challenge for the genetic improvement of HPs, especially for root traits is to combine effective selection to improve HPs while maintaining intraspecific diversity. ...
Dissertation
Tree Vigour in Apple Production: Impact of Replant Disease and Mitigation Strategies
(2022)
Cultivating apples on sites previously used for cultivation of apples leads to suppression of vegetative performance of apple trees and losses in fruit yields. This replant effect is attributed to an apple related form of soil fertility loss named ‘soil fatigue’ and ‘Apple Replant Disease’ (ARD). Replant disease strongly affects profitability of apple production in nurseries specialised in fruit trees, as well as on fruit orchards. Recent studies focus on causally linked agents of the replant disease and quantification ...
Aufsatz
Malaria and pneumonia effects on rice, vanilla production and rural household income in Madagascar: case of the Sava region
(2022-12-05)
In Madagascar, malaria remains the leading cause of consultation and deaths at hospital at all ages and pneumonia is one of the main causes of the under-five mortality and account for 45% of children hospitalizations. The number of these cases and deaths has not decreased during the last ten years. This paper aims to determine the effects of malaria and pneumonia cases on rice and vanilla production and income. We used data from a cross-sectional survey conducted in 2016 by the authors on 975 rural households and ...
Dissertation
Inter- and intraindividual variation in energy supply of dairy cows and the potentials of animal individual energy balancing
(2022-04)
In recent decades, a massive increase in milk yield per cow per year has been observed, which could initially be considered positive due to economic advantages, but at the physiological level a corresponding increase in energy intake has not occurred. This situation of negative energy balance increasingly confronts cows with metabolic challenges, which, however, usually remain unnoticed due to a lack of animal-specific considerations, and thus increasing rates of disease and malting can also be observed. The objective ...
Aufsatz
Impact of COVID-19 pandemic on food price index in Nigeria
(2022-06-02)
The economic effect of the COVID-19 pandemic and lockdown on food access/demand can lead to food price changes. This study was designed to evaluate the covid-19 influenced differences in food commodity prices. The study design captured eight urban markets in eight Nigerian states. A multi-stage sampling technique was employed. The number of sample points for each measure and commodity ranged from two to four per selected market. Local measures of commodities sold by traders were obtained and weighed using a calibrated ...
Aufsatz
First report and population dynamics of the Tobacco Thrips, Thrips parvispinus (Karny) (Thysanoptera: Thripidae) on ridged gourd, Luffa acutangula (L.) Roxy in selected export fields in southern Ghana
(2022-12-07)
Thrips attack several crops causing considerable economic damage. To prevent this damage, sticky traps can be used to monitor their population for the timely execution of management interventions. Ridged gourd or turia (Luffa acutangula (L.) Roxy) is an important Asian vegetable exported regularly to the European Union market from Ghana. However, this vegetable has been intercepted severally at the point of entry because of thrips infestation. The current study is aimed at identifying and monitoring thrips population ...
Aufsatz
Morphological characterisation of three indigenous Mozambican cattle populations
(2022-12-06)
Information on phenotypic and morphometric variation is important in the characterisation of indigenous cattle breeds. The objective of this study was to assess the morphological variation of the indigenous Angone, Landim, and Tete cattle populations of Mozambique, kept under traditional management systems. These cattle are farmed mainly for meat and draught power, although they can produce some milk, especially the Landim. Data were collected through a survey of twenty-three villages in Maputo, Gaza, Inhambane ...
Aufsatz
A scoping review on the presence of antibiotic residues in milk and the government strategies to control the use of antibiotics in milk industry in India
(2022-10-15)
In dairy farms, antibiotics are administered for therapeutic and prophylactic purposes. Lack of adherence to withdrawal periods and irrational use of antibiotics in the feed may lead to antibiotic residues (AR) in milk. Evidence suggests that the risk of AR in the milk is believed to be higher in developing countries due to multifarious reasons. The issue of residues in milk is predominantly concerning in India, as it has the largest consumer base in the world. Many studies have identified that consuming milk ...
Aufsatz
Prevalence of some enteric pathogens in table eggs with special reference to E. coli O 157: H 7E
(2022-10-15)
The present investigation was designed to study the incidence of some enteric pathogens in table eggs with special references to E. coli O157: H7. A total of 250 table eggs samples (75 baladi hen ҆s, 75 white farm hen ҆s, 75 brown farm hen ҆s and 25 duck eggs) were collected randomly from poultry farms, groceries, supermarkets and street vendors in El Fayoum city, Egypt. Each baladi hen ҆s egg sample represented by five eggs, while each farm hen ҆s and duck eggs represented by three eggs. The samples were examined ...