Automatic Recording of Heart Beat, Number of Jaw Movements and Number of Pauses in Jaw Movements Every Minute for a Maximum of 22 Days in Cattle Grazing on Pasture
放牧牛の心拍数,顎運動回数および顎運動休止回数の携帯用長期間連続記録装置の開発

Kanji MATSUI, Tadakatu OKUBO
1991 Nihon Chikusan Gakkaiho  
doi:10.2508/chikusan.62.383 fatcat:ywsndps3fzdltgs2qfx33umbvq