The selectivity of securing successor cattle in Tochigi prefecture

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  • 栃木県における後継牛確保の選択性

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Abstract

In the dairy in Japan, farms that secure successor cattle by introducing heifers are increasing with the expansion of herd scale. However, the price of heifers is rising remarkably, so in this study, we have focused on dairy management in Tochigi prefecture and clarified the factors to decide what action to select for securing successor cattle and the needs for public rearing pasture centers of users and nonusers with CS analysis and analyzed its potential for the expansion. As a result of the analysis, the following has become clear ; ①71.7% of the farms secure successor cattle by self-producing, and 31.4% of those outsource it to public rearing pasture centers. ②outsourcing successor cattle supports the dairy management in the aspects of their stall capacity and labor forces. ③public rearing pasture centers utilize the artificial insemination by using sex sorting semen and the technology of embryo transfer and produce successor cattle effectively and highly profitable heifer. So it has been suggested that they are advisable to secure successor cattle according to the expansion of herd scale.

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