Zobrazeno 1 - 10
of 1 682
pro vyhledávání: '"S. Dufour"'
Publikováno v:
Journal of Dairy Science, Vol 107, Iss 10, Pp 8329-8342 (2024)
ABSTRACT: Information is needed on vaccination protocols used by veterinarians and dairy producers to prevent and control infections in dairy herds. This observational study described farm's vaccination standard operating procedures (SOP) developed b
Externí odkaz:
https://doaj.org/article/b50cb37ee0414d3394894d3322fc2845
Autor:
J. Denis-Robichaud, N. Barbeau-Grégoire, M.-L. Gauthier, S. Dufour, J.-P. Roy, S. Buczinski, J. Dubuc
Publikováno v:
Journal of Dairy Science, Vol 107, Iss 9, Pp 7221-7229 (2024)
ABSTRACT: The objective of this cross-sectional study was to estimate the validity of laboratory culture, Petrifilm and Tri-Plate on-farm culture systems, as well as luminometry to correctly identify IMI at dry-off in dairy cows, considering all test
Externí odkaz:
https://doaj.org/article/02ef8fbc56f942a2992bd620bcc39481
Autor:
T. Uyama, D.F. Kelton, E.I. Morrison, E. de Jong, K.D. McCubbin, H.W. Barkema, S. Dufour, M. Fonseca, J.T. McClure, J. Sanchez, L.C. Heider, D.L. Renaud
Publikováno v:
Journal of Dairy Science, Vol 107, Iss 7, Pp 4961-4972 (2024)
ABSTRACT: The objective of this cross-sectional study was to determine associations between calf management practices, the number of antimicrobial treatments, and antimicrobial resistance in preweaning heifers on Canadian dairy farms. A composite of
Externí odkaz:
https://doaj.org/article/0d720aaa54cc404ead72627e7da182c7
Publikováno v:
Journal of Dairy Science, Vol 107, Iss 7, Pp 5041-5053 (2024)
ABSTRACT: Several studies have described variations in lactose content (LC) in dairy cows during udder quarter health disorder or negative energy balance (NEB). However, their joint effects on LC have never been described. This was the aim of a longi
Externí odkaz:
https://doaj.org/article/0f498de894c54edcb9e55ff28113b39a
Publikováno v:
Frontiers in Built Environment, Vol 10 (2024)
The growth of a city is typically accompanied by densification and sprawl, the former through verticalization, urban renewal, and the filling in of empty spaces. All of these activities extend and intensify the urban heat island (UHI), which is quant
Externí odkaz:
https://doaj.org/article/8c854749aa82431f9e7ec140dae3f677
Chasing success: A review of vegetation indicators used in riparian ecosystem restoration monitoring
Publikováno v:
Ecological Indicators, Vol 166, Iss , Pp 112371- (2024)
Land degradation and biodiversity decline are two of the main threats currently faced by humankind. For this reason, ecosystem restoration has become a priority in recent decades. Restoration actions in riparian forests may offer particularly high be
Externí odkaz:
https://doaj.org/article/4eeb683ba68d4d759f5c0f301038162c
Publikováno v:
Journal of Dairy Science, Vol 106, Iss 12, Pp 9426-9439 (2023)
ABSTRACT: Salmonella Dublin is an emerging pathogen on dairy farms in Canada. In Ontario, Salmonella Dublin has been increasingly isolated from diagnostic laboratory samples. The objective of this observational cross-sectional study was to identify m
Externí odkaz:
https://doaj.org/article/93ede1e0a2f246daa1a68d0675a8be4b
Publikováno v:
JDS Communications, Vol 4, Iss 2, Pp 144-148 (2023)
Pregnancy losses are a biological challenge and economically important in dairy herds. A meta-analysis was conducted to quantify losses in 4 periods from 19 to 90 d of pregnancy corresponding to the physiological development of gestation in dairy cow
Externí odkaz:
https://doaj.org/article/ae3548b58b45411f81d3da60d1a45f3e
Publikováno v:
Journal of Dairy Science, Vol 105, Iss 12, Pp 9917-9933 (2022)
ABSTRACT: Active infectious bovine respiratory disease (BRD) is an infection of the airways that needs to be diagnosed correctly so that appropriate treatment can be initiated. The simplest and most practical test to detect active BRD in dairy calves
Externí odkaz:
https://doaj.org/article/de54e874ac194f6996b9edb084f009a8
Autor:
T. Uyama, D.L. Renaud, E.I. Morrison, J.T. McClure, S.J. LeBlanc, C.B. Winder, E. de Jong, K.D. McCubbin, H.W. Barkema, S. Dufour, J. Sanchez, L.C. Heider, D.F. Kelton
Publikováno v:
Journal of Dairy Science, Vol 105, Iss 11, Pp 9084-9097 (2022)
ABSTRACT: The objective of this cross-sectional study was to investigate the relationship between management practices and antimicrobial use in heifer calves on Canadian dairy farms. Questionnaires on calf management practices, herd characteristics,
Externí odkaz:
https://doaj.org/article/fa230a065a1a4d5ab86ffcc1a69d6fa4