Zobrazeno 1 - 9
of 9
pro vyhledávání: '"P D, Krawczel"'
Autor:
Brooke A. Clemmons, Mackenzie A. Campbell, Liesel G. Schneider, Richard J. Grant, Heather M. Dann, Peter D. Krawczel, Phillip R. Myer
Publikováno v:
PeerJ, Vol 8, p e9079 (2020)
Overstocking can be a major issue in the dairy cattle industry, leading to negative changes in feeding and resting behavior. Additional stress imposed and alterations in feeding behavior may significantly impact the rumen microbiome. The rumen microb
Externí odkaz:
https://doaj.org/article/981e0643151a49b9a12f6f7f839061ea
Autor:
Jessie A Kull, Katy L Proudfoot, Gina M Pighetti, Jeffery M Bewley, Bruce F O'Hara, Kevin D Donohue, Peter D Krawczel
Publikováno v:
PLoS ONE, Vol 14, Iss 8, p e0212823 (2019)
The objective was to determine the effects of sleep or lying deprivation on the behavior of dairy cows. Data were collected from 8 multi- and 4 primiparous cows (DIM = 199 ± 44 (mean ± SD); days pregnant = 77 ± 30). Using a crossover design, each
Externí odkaz:
https://doaj.org/article/938be2c0dcde4125b58dc28ee87ccfde
Autor:
Nicole L. Eberhart, Peter D. Krawczel
Publikováno v:
Animals, Vol 7, Iss 11, p 86 (2017)
Lactating dairy cattle divide their lying equally between their left side and their right side. However, discomfort, such as pregnancy and cannulation, can cause a cow to shift lying side preference. The objective of this study was to determine the e
Externí odkaz:
https://doaj.org/article/558ea7fe053549af946b164fdcef27a0
Autor:
Randi A. Black, Peter D. Krawczel
Publikováno v:
Animals, Vol 6, Iss 7, p 41 (2016)
The objectives of this study were to determine the effect of the dry cow management system (pasture or confined) on: (1) lying behaviour and activity; (2) feeding and heat stress behaviours; (3) intramammary infections, postpartum. Non-lactating Hols
Externí odkaz:
https://doaj.org/article/ea13a2662b744dadb25ee8e1b7d9fe40
Publikováno v:
Journal of Dairy Science. 95:4452-4456
Assessing feeding behavior is important in understanding the effects of nutrition and management on the well-being of dairy cows. Historically, collection of these data from cows fed with a Calan Broadbent Feeding System (American Calan Inc., Northwo
Publikováno v:
Journal of Dairy Science. 95:2467-2475
The primary objective of this study was to evaluate short-term responses in lying behavior and hygiene of Holstein dairy cows housed at a stocking density of 100 (1 cow per stall and headlock) or 142% imposed by 1) the denial of access to freestalls
Publikováno v:
Journal of Animal Science. 85:468-476
Publikováno v:
Journal of Animal Science. 85:225-232
The objective of this study was to determine the effect of feeding Ascophyllum nodosum (ANOD) to lambs at 0 (control), 0.5, 1, or 2% of DMI/d for 2 wk on lamb physiology in response to forced walking and transport during hot weather. Forty-four lambs
Autor:
S A, Lockwood, H G, Kattesh, P D, Krawczel, F D, Kirkpatrick, A M, Saxton, J D, Rhinehart, J B, Wilkerson
Publikováno v:
Journal of animal science. 93(12)
Excitable cattle are dangerous to personnel and have reduced individual performance. The aim of this study was to 1) identify objective criteria for evaluating bull temperament and 2) examine relationships among temperament, behavior, and performance