日本における産乳成分改良の経済的重み付けと飼料給与条件の関係の検証

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タイトル別名
  • Association of Economic Weight Value of Milk Component Production with Feed TDN Cost and Roughage Quality in Japan
  • ニホン ニ オケル サンニュウセイブン カイリョウ ノ ケイザイテキ オモミズケ ト シリョウ キュウヨ ジョウケン ノ カンケイ ノ ケンショウ

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抄録

On the feed costs of producing milk in our country, economic weight value of the milk component division (milk carrier, milk fat, milk protein and SNF) was calculated. The economic weights value of each milk component division decreased with the increase of TDN cost of the feed. When cost of the roughage (44 or 50 Yen/kgTDN) lower than concentrate cost (65, 75 and 85 Yen/kgTDN), economic weight value of the each milk component division decreased with that TON content of the roughage decrease to 60% from 65%. But when cost of the roughage (93 Yen/kgTDN) exceeds the TDN cost of the concentrate, economic weights value of each milk component division increased conversely. Economic weight value of the all milk component division was increased with TDN cost of the roughage is cheap increased. As TDN cost of the roughage decreases, economic weight value of the milk component division increased. Because of this, when price of the concentrate feed soars, low cost production of the roughage was important economically. At the price of milk for drink, the contribution to the economic weight value of milk carrier division was large. In addition, feed cost increasing, it did not decrease the economic weight value of the milk excessively. Because of this, guaranty of the milk yield was most important. At the price of milk for process, the contribution to the economic weight value of the milk fat quantity was high. Because of this, low price and the good quality of the roughage was important.

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