1,720,963 research outputs found
Influence du promoteur de croissance ‘DI Grow’ vert sur les caractéristiques physico-chimiques et nutritionnelles des œufs de poules Lohman Brown élevées à Sokode
No full textAbstractAim: The aim of the current work is to determine the impact of the use of Organic Fertilizer D.I. Grow Green (PCDIG) on the physical trait, technological and nutritional quality of eggs of Lohman Brown Layer hens reared at Sokode.Methods: Methodologically, 100 laying hens at the egg-laying entrance were divided into two groups of 50 for the study and fed the same amount of GVS egg-laying feeds. The first batch was watered with 1mL / L of PCDIG for 5 days while the second batch was the control and therefore was watered without the organic fertilizer. The physical traits and quality of the chicken eggs were then determined on 30 fresh batch eggs collected at 28 weeks.Results: This study shows that, apart from the weight of the egg, the width of the egg, the weight of the egg white, the egg shape index and the volume of the egg, the other parameters of the physical composition and those of nutritional properties of the eggs studied in the present study did not vary significantly according to the production system (P> 0.05). Eggs from hens reared with PCDIG were heavier, wider and richer in egg white (P˂0.001) than chicken eggs raised without PCDIG. Similarly, the highest egg shape index (78.3%) was recorded at the eggs of hens raised with the use of PCDIG (P˂0.05). The volume of eggs from hens raised with the use of DI Grow was 42.5 cm3 to 39.8 cm3 for the control group (P˂0.05). The pH of the egg white and the pH of the egg yolk did not vary significantly with the treatment. The yellow-scale intensity of chicken eggs bred with PCDIG was 13.8 compared to 12.1 for non-PCDIG-raised chicken eggs. However, the hue of the yolk did not vary significantly according to the treatment.Conclusion: The Organic Fertilizer 'DI Grow' improves the size of eggs without affecting their technological and nutritional properties except fat content
Covid-19 et Sécurité Alimentaire en Afrique Subsaharienne : Implications et Mesures Proactives d’Atténuation des Risques de Malnutrition et de Famine
No full textThe Covid-19 pandemic is a pandemic of an emerging infectious disease, 2019 coronavirus disease (Covid-19), caused by the coronavirus SARS-CoV-2. The countries of sub-Saharan Africa affected by the Covid-19 pandemic are increasingly confronted with the decline in raw materials and the fall in international trade. The essential protective measures recommended by the WHO (2020) to limit the spread of Coronavirus (Covid-19) characterized, among other things, by the suppression movement, quarantine, containment, closing of the borders are driving down household productivity. Disruptions in trade and in local food supply chains are already affecting the well-being of the households, food security and nutrition among importing countries. Food prices are going up, especially nutritious food. Hunger and malnutrition will increase as the livelihoods of the poor are affected. Not yet having a universally accepted treatment for Covid-19, it is necessary to have information on the nutritional resources which will make it possible to boost the immune system of vulnerable populations in the fight against COVID-19 in a context of food insecurity. This document outlines proactive measures to prevent the risks of malnutrition and starvation linked to the Covid-19 pandemic and describes the macronutrient and micronutrient composition of some foods. These measures relate to a healthy and balanced diet, the improvement of food hygiene, the intensification of agricultural and agro-food production, the improvement of culinary and gastronomic practices, the improvement of nutrition governance and food security in affected sub-Saharan African countries
Impact du changement climatique sur l'élevage de bovin dans la commune de Banikoara au Bénin
Full text linkpeer reviewedThis study aims to determine the composition of cattle herds, the perception of cattle breeders on climate
changes and adaptation means used in the municipality of Banikoara in Benin. It appears that 69-85% of cattle
breeders are from Fulani ethnic group. Livestock production is their main activity (60-85%; p <0.05). Their
secondary activity was agriculture. The number of males by herd varied between 9 and 15 with the highest
amount recorded in district 9 (p <0.05). The number of females by herd varied from 20 to 34 with the greatest
amount met in the district 10 (p <0.05). The highest amount of introduced females (3) was found in district 4 (p
<0.05). The average amount of males and females kept by cattle breeders one year ago had decreased
respectively from 18 to 16 and from 35 to 31 (p <0.05). All breeders were married. 98.5% of breeders indicate a
significant impact of climate change on livestock production. The reported indicators of climate change were:
frequent droughts, winds, excessive heat, the late rains and frequent floods. 76-100% of farmers reported
overgrazing, pastoral productivity reduction, water resources declining, narrowing corridors and crop residues
reduction. The adaptation means used by breeders include transhumance, enhancement of crop residues,
medical prophylaxis, strengthening of the committees of transhumance corridors management, creation of water
dams and installation of fodder reserves, introduction of new breeds, and improvement of cattle performances by
selection.Effet des changements climatiques sur l'élevage bovin au Nord du Béni
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
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