Browsing by Author "Melese Mitiku"

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    An Assessment of English Language Writing Test Anxiety: The Case of Two Private University College Students Taking Sophomore English Writing Course
    (Addis Ababa University, 2007-08) Melese Mitiku ; Teshome Demisse
    The main objective of this study was to assess students' levels of English language writing test anxiety with reference to Admas and St. Mary's private University College students taking sophomore English writing common course in the second semester of 1999 E.C. The subjects of the study were one hundred thirty (i.e. 30% of the total population, 432) in which eighty six (86) of them were selected from Admas University College (AUC) while forty four (44) of them were from St. Mary's University College (SMUC). Subjects were selected using systematic sampling technique. Four kinds of data collection instruments were used in this study, namely, questionnaire, observation, focus group discussion, and interview. The data collected using these instruments were analyzed by making use of different statistical analysis methods and qualitative description, such as frequency counting percentage, mean, and description of some qualitative data. The findings (i.e. the results) indicated that the large majority of the subjects of the study were found to be poor in their writing background before they joined university colleges. And, as a result, their levels of anxiety were high when taking the writing tests. So, the administrations of both university colleges should look for some possible mechanisms (or strategies) which may be helpful to minimize students' levels of writing test anxiety, by giving simple additional writing courses before those complex ones like those of sophomore, for example.
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    Effects of Dietary Replacement of Graded Levels of Pigeon Pea (Cajanus Cajan) Seed Meal for Soybean Seed Meal on Performance of Cobb 500 Broiler Chicks
    (2020-06) Melese Mitiku; Berhan Tamir
    The study was conducted to evaluate the effects of dietary replacement of graded levels of pigeon pea (cajanus cajan) seed meal for soybean seed meal on performance of Cobb 500 broiler chicks on feed intake, growth performance and carcass traits in Dilla University, southern, Ethiopia. One hundred eighty (180) unsexed Cobb500 broilers day old chicks were randomly assigned to five treatment diets with three replications in a completely randomized design. Experimental diets: were formulated in such a way that [T1, T2, T3, T4 and T5 to replace 0%, 25%, 50% ,75% and 100% of soya bean seed meal by pigeon pea seed meal respectively for both starter and Finisher diets.. Data collection of the feeding trial started after an adaptation period of the chicks to the experimental pens and diets for three days. Final body weight gain, average daily body weight gain were not significantly different (P>0.05) in all treatments. But, carcass characteristics did not vary (P>0.05) across treatments. Mortality was not recorded in all treatments. Cost of feed per body weight gain (gram) declined as the replacement level of pigeon pea seed meal increased in treatment diets but net profit increased with increasing level of pigeon pea seed meal. Thus, it was concluded that replacing soybean seed meal by pigeon pea seed meal as unconventional protein source in starter and finisher broilers diets up to 100% is economically feasible and more profitable and nutritionally adequate without adverse effects on the performance of Cobb500 broiler chicks.