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Thesis (M.S.)--Virginia Polytechnic Institute and State University, 1987. / Vita. Abstract. Includes bibliographical references (leaves 56-57). Also available via the Internet.

Thesis (MA. Agricultural Management (Animal Production)) -- University of Limpopo, 2014 / Body measurements have been used in animals to estimate body weight especially in rural areas where scales are not readily available. The study was conducted in Sekhukhune District of the Limpopo province, South Africa where the goats between the ages of 20 and 30 months were used. Body weight and four morphological traits were taken on each goat in the morning before they were released for grazing in a total of 613 indigenous goats of both sexes (62 male and 551 female). Body weight was measured in kilogram (kg) using a balance scale, hip height and shoulder height measurement (cm) were done using a graduated measuring stick and the body length and heart girth were measured in centimetre (cm) using a tape rule. Means, standard deviations (SD) and coefficients of variation (CV) of body weight and morphological traits were calculated. Pair wise correlations among body weight and morphological traits were also determined and range from 0.81-0.91 for male and 0.72-0.89 for female goats, respectively and were significant (P<0.01). The direct effect of heart girth on body weight was the strongest in both sexes (path coefficient of 0.58 and 0.62 in males and females, respectively). Body length (males) and body length and hip height (females) also positively (P<0.05) influenced body weight. The direct effects of other linear type traits on body weight in both sexes were non-significant as revealed by t-test. These traits were indirectly realized mostly via heart girth. Thus, they were removed from the final regression equations to obtain much more simplified prediction models. The optimum multiple regression equation for male goats included heart girth and body length, In female goats, however, the v variables included in the final prediction model were heart girth, body length and shoulder height. The forecast indices obtained in this study could aid in weight estimation, selection and breeding programmes.

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Thesis (M.S.)--University of Wisconsin--Madison, 1966. / eContent provider-neutral record in process. Description based on print version record. Bibliography: l. 93-94.

The use of expensive and highly specialized equipment in any industry is only advisable if the eost of the equipment can be justified by a sufficiently large output. The greater the output, the smaller will be the cost of the equipment to be borne by each unit. Thus, once such equipment has been purchased, management endeavours to maintain output at a maximum in order to reduce unit costs or to increase profits. It is for this reason that airline managements continually endeavour to increase the utilization of jet aircraft. By increasing the number of revenue flying hours only one hour each week on one jet aircraft, an airline will realize an additional net contribution to overhead (or profits) of approximately $60,000 per year. One method of increasing utilization is to decrease the downtime of the aircraft for maintenance purposes. This requires a reduction of the total elapsed time of the maintenance check. The critical path technique has found wide application in solving the general problem of reducing the time required to complete a project which consists of many inter-related jobs. For example, the technique has been used to reduce the time required for constructing a building, for completing the periodic overhaul of a chemical plant, and for completing the Polaris Missile Development Program. It was therefore felt that the critical path technique might be of use in solving this problem of increasing the utilization of jet aircraft. This thesis, based on the results of a study carried out at Canadian Pacific Air Lines during the months of May through August, 1963, describes the various ways in which the technique can be of use in solving this problem. It was found that the technique did have a wide applicability. In the initial period of application, it would be of great value as a tool for analyzing the problems of the check. It can be used both to point out the jobs or chains of jobs which prohibit the reduction of the check time and also to direct the revision of the scheduling of these jobs in such a way that the elapsed time is reduced. This reduction of elapsed time will have the effect of increasing the number of jobs which must be completed at the earliest possible time if the check completion time is to be a minimum. As a result there will be a greater need to use the technique both for scheduling and monitoring all the jobs of the check. / Business, Sauder School of / Graduate

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