Data/hora: 11/06/2024 07:12:03

Provedor de dados: | Obihiro University of Agriculture and Veterinary Medicine Academic Repository (OAK)
País: | Japan

Título:

新設した自動搾乳システムにおける搾乳ボックスへの乳牛の馴致訓練

Habituation Training for Dairy Cattle to Milking Boxes of New Installed Automatic Milking System

Autores: | 柏村, 文郎; 須田, 潤; 古村, 圭子; 日高, 智; 瀬尾, 哲也; 池滝, 孝; Kashiwamura, Fumiro; Suda, Jun; Furumura, Keiko; Hidaka, Satoru; Seo, Tetsuya; Iketaki, Takashi.
Data: | 2001-04
Ano: | 2001
Palavras-chave: | Automatic milking system; Milking robot; Habituation; Training.
Resumo: | 48頭のホルスタイン種搾乳牛を自動搾乳システムの搾乳ボックスへ初めて入れるときの馴致訓練の過程を調査した.通路通過の予備訓練が5日間行われた後，搾乳ボックス内に入れる訓練が8 日間行われた.牛群は3グループに分けられ搾乳が開始された.観察項目は，1)通路入口ゲートが開いてからウシがゲートを通過し終わるまでの時間，2)ゲートを通過してから搾乳ボックスに入るまでの時間，および3)搾乳ボックスへの進入難易度であった. ウシが抵抗なく搾乳ボックスに入るようになる(進入難易度が1になる)までに要した訓練回数は10.8±7.5 (M±SD)回であったが，個体のばらつきは大きかった(4~33回).半数のウシの進入難易度がlになるまでに要した訓練回数は約14回であった.進入難易度に影響する要因として，産次，訓練グループおよび通路通過の予備訓練について調べた結果，予備訓練が4回以下のウシに比べ5回以上のウシの方が，また，経産牛より初産牛の方が早く新しい搾乳システムに慣れたと判断され(P&lt;0.05). Training of cows to enter the milking boxes of new installed automatic milking system at a farm was made. Forty-eight Holstein cows were transferred from the conventional stanchion-stall barn to the new free-stall barn. The automatic milking system consisted of an　entrance gate，an alley and three milking boxes of tandem type. Cows were preconditioned to pass down the gate and the alley for five days. After the preconditioning period，cows were trained to enter the milking boxes for eight days and the training observation was started. The herd were then divided into three groups，and the milking of each group started separately in the automatic milking system. The observed characteristics were the following :1)duration of passing through the entrance gate，2)duration from passing the gate to entering into a milking box，and 3)the score of training difficulty of putting the cows into the milking boxes. The number of training that was required for the cows to enter the milking box without any difficulties, i.e.，a  training difficulty score of one，was 10.8±7.5(M±SD) times. However，the individual animals showed the large range of attempts (4-33 times) for achieving a score of one. The number of training needed for half the cows to achieve a score of one was about 14 times. Analysis of variance was applied to determine the factors that affect training difficulty. The average score of training difficulty for each cow and the number of training necessary for achieving a score of one were regarded as the dependent variables in the statistical model. The independent variables were parity of cows， training group，and number of preconditioning trials. The results showed that the primiparous cows become familiar with the new automatic milking system faster than the multiparous cows，with the number of preconditioning also having a significant effect on the training difficulty of entering the milking boxes (P&lt;0.05).
Idioma: | Japonês
Identificador: | http://ir.obihiro.ac.jp/dspace/handle/10322/2308
Editor: | 日本畜産学会
Formato: | application/pdf
Fonte: | 日本畜産学会