Dairy cow trade-off preference for 2 different lying qualities: Lying surface and lying space

نویسندگان

چکیده

Lying down is an important behavior for cows, contributing to their health and welfare. With dairy cows being housed increasingly longer periods, if not year-round, it ensure that cow lying comfort compromised when they are housed. The aim of this study was assess preference 2 different qualities area appear be cows—surface type open space—to better understand how optimize Twenty-four Holstein were used during the study, which took place in Scotland from July November 2018. consisted 6 experimental each lasting a total 21 d. Cows tested 4 at time individually own test pen. Each pen had 3 surfaces: sand, mattress, straw (2.4 m × 2.4 each) with freestall middle each, could removed. given access one surface (training period) d, then choice all surfaces When freestalls position, spent, on average, largest amount (46.6 ± 7.8%) followed by mattress (44.3 12.4%). Freestalls removed training phase repeated following day, spending most (64.4 7.2%). Finally, refitted onto cow's preferred between (P1 + freestall) or second third without (P2 P3 open, respectively) During final trade-off stage, 19 data available, 14 chose give up opportunity lie have more space P2 P1 freestall, made no clear choice. Overall, spent as (65.7 6.9%) compared (20.5 5.9%) (13.8 3.7%). results indicate down, these value than surface.

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ژورنال

عنوان ژورنال: Journal of Dairy Science

سال: 2021

ISSN: ['0022-0302', '1525-3198', '1529-9066']

DOI: https://doi.org/10.3168/jds.2020-18781