Study on the Administration of Public Grassland Utilization for the Dairy Farming Management

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  • 酪農経営における公共用草地利用の経営的考察
  • ラクノウ ケイエイ ニ オケル コウキョウヨウ ソウチ リヨウ ノ ケイエイテ

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This paper deals with the most suitable utilization pattern of deposit rearing by the utilization of public grassland on the basis of following problems, i.e. 1) what is the factor controlling the deposit percent of individual dairy farming management, 2) the examination on economic effect of deposit to public grassland, namely i) comparison of cattle rearing cost between deposit and domestic rearing, ii) the examination of effect on the agriculture income enlargement in the case with separation of rearing section from dairy farming management, and 3) the examination on the hopeful way of deposit in order to obtain the highest earning power of individual management. The field for research object was Kamishihoro town under the Tokachi Branch Office of Hokkaido, and the research was performed for 5 years from the 44th to the 48th of Showa. The results of research are shown in the following. 1. It was recognized that the primary factor affecting the deposit percent is the area of pasture per one head of adult cattle and the deposit percent is elevated with decrease of the area. But, the statistic significant difference could not be obtained with other factors. 2. (i) Domestic rearing cost (for 7〜28 months old) tends to decrease gradually with the increase of scale of rearing cattle heads. And, the rearing cost under the class of 15 rearing cattle heads is higher than the rearing cost in the case of deposit to pasture and the deposit rearing is more favorable from the view of rearing cost. And from the view of seasonal rearing cost the rational rearing way of cattle is the deposit rearing in the pasture in the summer season and the adaptation to change it into the domestic rearing in the winter season. (ii) The effect of income enlargement with dairy farming management in the case with separation of rearing section can be recognized in any case of management, but there is the difference in its degree by the management condition. 3. In order to elevate the earning power of dairy farming management, it is most desirable to utilize the public grassland completely and deposit the rearing cattle to it and to become the management of major milking. Namely, in respect to delivered rearing cattle, the total cattle, heads of months suitable as the deposit object are deposited through all the year. And, it is favorable to increase the heads of milking cattle within the area of occupying grassland (40 ha by this trial balance). It is the case in which the inheritor is reserved in the management and the others are for sale individually.

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