搜索结果: 1-2 共查到“食品加工技术 variation”相关记录2条 . 查询时间(0.125 秒)
Variation in and Relationships Among Feeding, Chewing, and Drinking Variables for Lactating Dairy Cows
feeding behavior chewing activity variation sample size
2008/6/20
Twelve Holstein cows (63 DIM; 6 primiparous) were offered a common diet and monitored for 21 d (11 d of adaptation, 10 d of collection) with a data acquisition system to measure continuously feed and ...
Variation in Distances Among Teats of Holstein Cows: Implications for Automated Milking
udder dimensions anatomy robotic milking
2008/6/19
Distances among teats were measured immediately prior to and immediately following milking in 912 lactations of 506 Holstein cows to assess variation due to age (parity), stage of lactation, year, and...