栃木県における後継牛確保の選択性  [in Japanese] The selectivity of securing successor cattle in Tochigi prefecture  [in Japanese]

Access this Article

Author(s)

Abstract

わが国の酪農は,飼養頭数規模の拡大にともない,乳牛初妊牛の導入によって後継牛を確保する経営体が増加している.しかし,北海道を主とする初妊牛価格は高騰していることから,安定した後継牛確保は喫緊の課題である.そこで本研究は,栃木県の家族労働力を主とする酪農経営に焦点を充て,後継牛確保の選択行動を決定付ける要因と公共育成牧場に対する利用者・非利用者の預託ニーズをCS分析によって明らかにし,公共育成牧場の発展可能性を検討した.分析の結果,①酪農経営の71.7%は後継牛を自家育成し,31.4%が公共育成牧場の預託制度を利用していること,②育成牛の預託は,牛舎収容力と労働力の側面で酪農経営を補完していること,③公共育成牧場は,受精卵移植や性選別技術を活用し,効率的な後継牛生産と収益性の高い乳牛初妊牛を産出していることが明らかになった.育成牛の預託は,飼養頭数規模の拡大に応じた後継牛確保の得策であることが示唆された.

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.

Journal

  • Nihon Chikusan Gakkaiho

    Nihon Chikusan Gakkaiho 87(1), 25-33, 2016

    Japanese Society of Animal Science

Codes

  • NII Article ID (NAID)
    130005139629
  • Text Lang
    JPN
  • ISSN
    1346-907X
  • Data Source
    J-STAGE 
Page Top