New recommendations for self-locking barriers to reduce skin injuries in dairy cows

Autor: Romain Lardy, Renaud Bastien, Isabelle Veissier, J. Capdeville, Luc Mounier, A. de Boyer des Roches
Přispěvatelé: Unité Mixte de Recherche sur les Herbivores - UMR 1213 (UMRH), VetAgro Sup - Institut national d'enseignement supérieur et de recherche en alimentation, santé animale, sciences agronomiques et de l'environnement (VAS)-AgroSup Dijon - Institut National Supérieur des Sciences Agronomiques, de l'Alimentation et de l'Environnement-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Institut de l'élevage (IDELE), Max Planck Institute for Ornithology, Max-Planck-Gesellschaft, University of Konstanz, Danone Research-ESTIVE Centre French government's IDEX-ISITE initiative 16-IDEX-0001 CAP 20-25
Jazyk: angličtina
Rok vydání: 2020
Předmět:
Zdroj: animal
animal, Published by Elsevier (since 2021) / Cambridge University Press (until 2020), 2020, 14 (8), pp.1745-1756. ⟨10.1017/S175173112000052X⟩
Animal
Animal, Published by Elsevier (since 2021) / Cambridge University Press (until 2020), 2020, 14 (8), pp.1745-1756. ⟨10.1017/S175173112000052X⟩
Animal, Vol 14, Iss 8, Pp 1745-1756 (2020)
ISSN: 1751-7311
1751-732X
DOI: 10.1017/S175173112000052X⟩
Popis: International audience; The design of self-locking barriers can affect cows’ skin injuries and impair welfare. This study aimed to propose and refine recommendations, expressed relatively to the cows’ dimensions, for self-locking barrier design to reduce risks for skin injuries on the neck/shoulder/back and on carpus of dairy cows. We recorded individual body dimensions and the dimensions of self-locking barriers (e.g. top rail height) and assessed skin injuries on 3801 cows from 131 loose-housing dairy farms. We explored the significant associations between presence/absence of skin injuries and self-locking barrier dimensions using weighted multivariable logistic regression, taking into account the diversity of feeding barriers within each farm. The robustness of the models was assessed by cross-validation. Cows had skin injuries mainly on the neck/shoulder/back (29.0%) and, to a lesser extent, on the carpus (14.0%). The final multivariable logistic regression models comprised 13 factors for skin injuries on the neck/shoulder/back, and 11 factors for skin injuries on the carpus. Skin injuries were significantly reduced when the self-locking barriers were inclined (neck/shoulder/back) and when the cows used a feeding table (i.e. flat) instead of a feeding manger or cribs (i.e. hollow) (carpus). A top rail height >1.05 × cow height (measured at withers) was significantly associated with fewer skin injuries on the neck/shoulder/back and on carpus. Skin injuries on the neck/shoulder/back and carpus were significantly reduced when the bottom rail was on the food side relative to the wall, and at a height 0.4 of cow height (carpus), was thinner than 15 cm (neck/shoulder/back and carpus) and when the height of the feeding step was 0.04 to 0.1 of cow height (neck/shoulder/back) and the length of the feeding step was
Databáze: OpenAIRE