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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Improving the management of dairy production systems in Cameroon

Bayemi Pougue, Henri Dieudonne 25 May 2009 (has links)
This work was carried out with the objective of improving dairy farms in Cameroon using an integrated method. Research done in the area on milk production in the country was reviewed. A participatory rural appraisal was conducted in dairy farms of the North West Region of Cameroon. An economic opportunity survey was carried out on 61 dairy farms in the same region. Interventions aimed at solving main constraints were planned. An on-farm study on the effect of feed supplementation before calving on milk production, ovarian activity and calf growth of Holstein, indigenous Red Fulani cows and their crosses was conducted. Corresponding blood samples were analyzed using ELISA Progesterone kits. Animal health studies involved screening for Brucella abortus antibodies in 21 villages by ELISA. Partial budgeting was used to evaluate the financial impact of interventions. Results show that five small scale dairy production systems are found in the region: transhumance, improved extensive, semi intensive, zero grazing and peri-urban. Main constraints to dairy production include in order of importance: poor marketing opportunities and long distances to market, limited grazing land and poor supplementation of cattle, limited health control, inadequate knowledge in processing, conservation and storage of milk, poor 19 reproductive management and prolonged calving interval, lack of water in the dry season, poor housing, poor organization of group, limited number of dairy cows and poor record keeping. Milk production per cow on-one-day and average calf production interval account for the greater part of economic opportunity. A human progesterone ELISA kit was validated for use in cattle. Brucella screening showed a general seroprevalence of 8.4%. It is recommended that infected cattle should be slaughtered. A specific control programme should be organized and an effort should be made to determine the causes of the spread of brucellosis. A regular Brucella testing should be instituted. Farmers adopting interventions had returns of 193 and 232% without and with opportunity costs proving the positive impact of interventions using the integrated method. These interventions need to be spread to more farms in the country. The integrated method was proven to be effective in ensuring improvement of dairy systems in Cameroon. This method needs to be adopted for further dairy production improvement by the creation of multidisciplinary intervention teams and the training of integrated intervention specialists in the dairy sector. Copyright 2009, University of Pretoria. All rights reserved. The copyright in this work vests in the University of Pretoria. No part of this work may be reproduced or transmitted in any form or by any means, without the prior written permission of the University of Pretoria. Please cite as follows: Bayemi Pougue, HD 2009, Improving the management of dairy production systems in Cameroon, PhD thesis, University of Pretoria, Pretoria, viewed yymmdd < http://upetd.up.ac.za/thesis/available/etd-etd-05252009-225140/ > D629/ag / Thesis (PhD)--University of Pretoria, 2009. / Animal and Wildlife Sciences / unrestricted
2

Why AIM? - Educator Perspectives and Implementation of an Instructional Method for Teaching Core French as a Second Language in Ontario

Arnott, Stephanie Jane Margaret 06 December 2012 (has links)
Since 2003, the Canadian government has repeatedly called for research into innovative ways to teach Core French (CF) – a non-immersion program, where French as a Second Language (FSL) is taught on a daily basis, or a few times per week. This exploratory study investigates the driving forces behind the widespread popularity of a CF method called the Accelerative Integrated Method (AIM), which combines target language use with gestures, high-frequency vocabulary, and drama to accelerate the development of fluency from the onset of classroom instruction. In order to learn more about the “meaningfulness” of this growing trend (Fullan, 2007), this mixed-method inquiry attempts to shift the focus from product to process, comparing educator perspectives and AIM implementation within two Ontario contexts: (a) where AIM was mandated for elementary (Grades 4-6) FSL instruction, and (b) where AIM was an optional method for FSL teachers to use (or not). Survey and interview data were collected from and triangulated across a variety of educators from both contexts, including FSL consultants (n = 18), principals (n = 8), CF teachers (n = 9), and one Ontario Ministry of Education representative. Four semi-structured interviews and multiple observations were also conducted with those CF teachers who were using AIM (n = 8). An additional CF teacher who had attempted to use AIM, and had subsequently rejected it, was also interviewed. Findings showed that AIM implementation and educator perspectives did not vary significantly based on whether AIM was mandated or optional for CF instruction. A clear preference emerged towards using AIM and the accompanying resources during the beginning stages of CF instruction. Discussion about the growing popularity of AIM was positive; however, it also exposed a range of emotions about when and how AIM should be used. In terms of implementation, while some AIM routines, activities, and strategies were used by all, each AIM teacher exercised their agency while using the method, supplementing and adapting for different reasons. Implications include the need to reexamine the objectives of micro-level AIM policies, recognize the adaptability of AIM, and consider including detailed observations in future research linking AIM to student achievement.
3

Why AIM? - Educator Perspectives and Implementation of an Instructional Method for Teaching Core French as a Second Language in Ontario

Arnott, Stephanie Jane Margaret 06 December 2012 (has links)
Since 2003, the Canadian government has repeatedly called for research into innovative ways to teach Core French (CF) – a non-immersion program, where French as a Second Language (FSL) is taught on a daily basis, or a few times per week. This exploratory study investigates the driving forces behind the widespread popularity of a CF method called the Accelerative Integrated Method (AIM), which combines target language use with gestures, high-frequency vocabulary, and drama to accelerate the development of fluency from the onset of classroom instruction. In order to learn more about the “meaningfulness” of this growing trend (Fullan, 2007), this mixed-method inquiry attempts to shift the focus from product to process, comparing educator perspectives and AIM implementation within two Ontario contexts: (a) where AIM was mandated for elementary (Grades 4-6) FSL instruction, and (b) where AIM was an optional method for FSL teachers to use (or not). Survey and interview data were collected from and triangulated across a variety of educators from both contexts, including FSL consultants (n = 18), principals (n = 8), CF teachers (n = 9), and one Ontario Ministry of Education representative. Four semi-structured interviews and multiple observations were also conducted with those CF teachers who were using AIM (n = 8). An additional CF teacher who had attempted to use AIM, and had subsequently rejected it, was also interviewed. Findings showed that AIM implementation and educator perspectives did not vary significantly based on whether AIM was mandated or optional for CF instruction. A clear preference emerged towards using AIM and the accompanying resources during the beginning stages of CF instruction. Discussion about the growing popularity of AIM was positive; however, it also exposed a range of emotions about when and how AIM should be used. In terms of implementation, while some AIM routines, activities, and strategies were used by all, each AIM teacher exercised their agency while using the method, supplementing and adapting for different reasons. Implications include the need to reexamine the objectives of micro-level AIM policies, recognize the adaptability of AIM, and consider including detailed observations in future research linking AIM to student achievement.
4

Comment établir un rapprochement entre l’enseignement de l’anglais de spécialité et les notions du droit / Reconciling Teaching English for Special Purposes and Legal Concepts

Liebenberg, Elizabeth Helena 29 March 2010 (has links)
L’engagement du Conseil de l’Europe en faveur d’une éducation plurilingue intégrant altérité et diversité culturelle est fortement lié au souci de promouvoir la communication entre citoyens de langue et culture différentes, indispensable à la mobilité et à la compréhension réciproque. Dans ce nouveau référentiel s’inscrit la tendance à enseigner les disciplines non linguistiques, directement dans la L2. Cette méthode d’enseignement d’une matière par intégration d’une langue étrangère, appelée EMILE a vocation d’accélérer le processus d’apprentissage. Or, il s’est avéré, lors d’une recherche-action portant sur l’anglais juridique, qu’une méthode d’immersion complète telle qu’EMILE pouvait présenter certaines failles pour apprendre cette langue de spécialité très pointue. Pour combler ces failles, nous proposons la méthode LADMI (Linguistique appliquée à une autre discipline par méthode intégrative), qui est une modification du concept d’EMILE extrapolant à partir d’une certaine structure logique, suite à des observations particulières, afin de préserver à la fois la langue et le contenu de la DNL, le droit. / The European Council’s policy of promoting linguistic and cultural diversity in the field of acquisition-teaching of foreign languages, has led to a profoundly modified situation in language learning. With the aim of encouraging mobility among students and teachers in the European education system, pluralinguistic methods, such as TIE-CLIL (Translanguage in Europe – Content and Language Integrated Learning) are used in an attempt to accelerate immersion programmes. However, in an action research undertaken in Legal English at the University of Nice, the conclusion was drawn that language immersion is not always feasible in Law. Therefore an integrated approach, Adjunct CLIL, based on logical observations, a modification of the concept CLIL : ALDIM (Applied Linguistics to another Discipline by Integrated Method), is suggested, to preserve both the quality of the language as well as content of the non-linguistic discipline, Law.

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