T J Devries

Summary

Affiliation: University of Guelph
Country: Canada

Publications

  1. ncbi Associations of dairy cow behavior, barn hygiene, cow hygiene, and risk of elevated somatic cell count
    T J Devries
    Department of Animal and Poultry Science, University of Guelph, Kemptville Campus, 830 Prescott Street, Kemptville, ON, K0G 1J0, Canada
    J Dairy Sci 95:5730-9. 2012
  2. ncbi Adding liquid feed to a total mixed ration reduces feed sorting behavior and improves productivity of lactating dairy cows
    T J Devries
    Department of Animal and Poultry Science, University of Guelph, Kemptville, ON, Canada
    J Dairy Sci 95:2648-55. 2012
  3. ncbi Effect of parity and stage of lactation on feed sorting behavior of lactating dairy cows
    T J Devries
    Department of Animal and Poultry Science, University of Guelph, Kemptville Campus, 830 Prescott Street, Kemptville, ON, Canada, K0G 1J0
    J Dairy Sci 94:4039-45. 2011
  4. ncbi Association of standing and lying behavior patterns and incidence of intramammary infection in dairy cows milked with an automatic milking system
    T J Devries
    Department of Animal and Poultry Science, University of Guelph, Kemptville Campus, 830 Prescott Street, Kemptville, ON, Canada, K0G 1J0
    J Dairy Sci 94:3845-55. 2011
  5. ncbi Feed delivery method affects the learning of feeding and competitive behavior in dairy heifers
    A M Greter
    Department of Animal and Poultry Science, University of Guelph, Kemptville Campus, 830 Prescott Street, Kemptville, ON K0G 1J0, Canada
    J Dairy Sci 93:3730-7. 2010
  6. ncbi Effect of the provision of a low-nutritive feedstuff on the behavior of dairy heifers limit fed a high-concentrate ration
    B L Kitts
    Department of Animal and Poultry Science, University of Guelph, Kemptville Campus, Kemptville, ON, Canada K0G 1J0
    J Dairy Sci 94:940-50. 2011
  7. ncbi Short communication: Feeding method affects the feeding behavior of growing dairy heifers
    T J Devries
    Department of Animal and Poultry Science, University of Guelph, Kemptville Campus, Kemptville, Ontario, Canada
    J Dairy Sci 92:1161-8. 2009
  8. ncbi Short communication: Limit feeding dairy heifers: effect of feed bunk space and provision of a low-nutritive feedstuff
    A M Greter
    Department of Animal and Poultry Science, University of Guelph, Kemptville Campus, 830 Prescott Street, Kemptville, ON, K0G 1J0, Canada
    J Dairy Sci 94:3124-9. 2011
  9. ncbi Effect of water addition to a total mixed ration on feed temperature, feed intake, sorting behavior, and milk production of dairy cows
    C A Felton
    Department of Animal and Poultry Science, University of Guelph, Kemptville Campus, Kemptville, Ontario, K0G 1J0, Canada
    J Dairy Sci 93:2651-60. 2010
  10. ncbi Effect of feed delivery method on the behavior and growth of dairy heifers
    A M Greter
    Department of Animal and Poultry Science, University of Guelph, Kemptville Campus, Kemptville, Ontario, K0G 1J0, Canada
    J Dairy Sci 93:1668-76. 2010

Collaborators

Detail Information

Publications23

  1. ncbi Associations of dairy cow behavior, barn hygiene, cow hygiene, and risk of elevated somatic cell count
    T J Devries
    Department of Animal and Poultry Science, University of Guelph, Kemptville Campus, 830 Prescott Street, Kemptville, ON, K0G 1J0, Canada
    J Dairy Sci 95:5730-9. 2012
    ..These findings emphasize the need for cows to be provided clean standing and lying environments. The results also show that frequent cleaning of barn alley floors will help improve cow hygiene...
  2. ncbi Adding liquid feed to a total mixed ration reduces feed sorting behavior and improves productivity of lactating dairy cows
    T J Devries
    Department of Animal and Poultry Science, University of Guelph, Kemptville, ON, Canada
    J Dairy Sci 95:2648-55. 2012
    ..09 kg/d) on the LF diet. No difference between treatments was observed in the efficiency of milk production. Overall, adding a molasses-based LF to TMR can be used to decrease feed sorting, enhance DMI, and improve milk yield...
  3. ncbi Effect of parity and stage of lactation on feed sorting behavior of lactating dairy cows
    T J Devries
    Department of Animal and Poultry Science, University of Guelph, Kemptville Campus, 830 Prescott Street, Kemptville, ON, Canada, K0G 1J0
    J Dairy Sci 94:4039-45. 2011
    ..Further, PP cows engage in more sorting of their ration than MP cows...
  4. ncbi Association of standing and lying behavior patterns and incidence of intramammary infection in dairy cows milked with an automatic milking system
    T J Devries
    Department of Animal and Poultry Science, University of Guelph, Kemptville Campus, 830 Prescott Street, Kemptville, ON, Canada, K0G 1J0
    J Dairy Sci 94:3845-55. 2011
    ..Finally, cows that spend long periods of time (>2.5h) standing following milking may be at higher risk of acquiring a new CNS IMI...
  5. ncbi Feed delivery method affects the learning of feeding and competitive behavior in dairy heifers
    A M Greter
    Department of Animal and Poultry Science, University of Guelph, Kemptville Campus, 830 Prescott Street, Kemptville, ON K0G 1J0, Canada
    J Dairy Sci 93:3730-7. 2010
    ..These results show that feeding a TMR to replacement dairy heifers from a young age promotes a more even diurnal feeding pattern, minimizes feed bunk competition, and promotes a more solid fecal consistency...
  6. ncbi Effect of the provision of a low-nutritive feedstuff on the behavior of dairy heifers limit fed a high-concentrate ration
    B L Kitts
    Department of Animal and Poultry Science, University of Guelph, Kemptville Campus, Kemptville, ON, Canada K0G 1J0
    J Dairy Sci 94:940-50. 2011
    ....
  7. ncbi Short communication: Feeding method affects the feeding behavior of growing dairy heifers
    T J Devries
    Department of Animal and Poultry Science, University of Guelph, Kemptville Campus, Kemptville, Ontario, Canada
    J Dairy Sci 92:1161-8. 2009
    ..These results suggest that the provision of a TMR to growing dairy heifers, as opposed to feeding concentrate and hay as either a choice or top-dressed, promotes a more balanced intake of nutrients across the day...
  8. ncbi Short communication: Limit feeding dairy heifers: effect of feed bunk space and provision of a low-nutritive feedstuff
    A M Greter
    Department of Animal and Poultry Science, University of Guelph, Kemptville Campus, 830 Prescott Street, Kemptville, ON, K0G 1J0, Canada
    J Dairy Sci 94:3124-9. 2011
    ..The provision of straw alongside a limit-fed TMR did increase DMI, which would contribute to further rumen fill, and allowed heifers to increase their time spent feeding throughout the day...
  9. ncbi Effect of water addition to a total mixed ration on feed temperature, feed intake, sorting behavior, and milk production of dairy cows
    C A Felton
    Department of Animal and Poultry Science, University of Guelph, Kemptville Campus, Kemptville, Ontario, K0G 1J0, Canada
    J Dairy Sci 93:2651-60. 2010
    ....
  10. ncbi Effect of feed delivery method on the behavior and growth of dairy heifers
    A M Greter
    Department of Animal and Poultry Science, University of Guelph, Kemptville Campus, Kemptville, Ontario, K0G 1J0, Canada
    J Dairy Sci 93:1668-76. 2010
    ..7 vs. 3.4). These results suggest that feeding a TMR to replacement dairy heifers may promote a more even diurnal feeding pattern, minimize feed sorting and feed bunk competition, and promote more solid fecal consistency...
  11. ncbi Effect of dietary dry matter concentration on the sorting behavior of lactating dairy cows fed a total mixed ration
    E K Miller-Cushon
    Department of Animal and Poultry Science, University of Guelph, Kemptville Campus, Kemptville, Ontario, K0G 1J0, Canada
    J Dairy Sci 92:3292-8. 2009
    ..Furthermore, water addition may negatively affect DMI and encourage sorting, resulting in the consumption of a ration with different nutrient composition than intended...
  12. ncbi Short communication: Varying dietary dry matter concentration through water addition: effect on nutrient intake and sorting of dairy cows in late lactation
    J A Fish
    Department of Animal and Poultry Science, University of Guelph, Kemptville Campus, 830 Prescott Street, Kemptville, ON, K0G 1J0, Canada
    J Dairy Sci 95:850-5. 2012
    ..This research does not provide evidence that water addition to such a TMR can effectively limit DMI in late-lactation cows and, thus, improve efficiency of milk production...
  13. ncbi Effect of early feed type exposure on diet-selection behavior of dairy calves
    E K Miller-Cushon
    Department of Animal and Poultry Science, University of Guelph, Kemptville, ON, Canada K0G 1J0
    J Dairy Sci 94:342-50. 2011
    ..These results indicate that feed familiarity affected initial diet selection postweaning, but may not have a lasting effect, with all calves developing similar feed-sorting patterns...
  14. ncbi Relationship between feeding strategy, lying behavior patterns, and incidence of intramammary infection in dairy cows
    T J Devries
    Department of Animal and Poultry Science, University of Guelph, Kemptville Campus, 830 Prescott Street, Kemptville, Ontario, K0G 1J0, Canada
    J Dairy Sci 93:1987-97. 2010
    ....
  15. ncbi Competition for feed affects the feeding behavior of growing dairy heifers
    T J Devries
    Department of Animal and Poultry Science, University of Guelph, Kemptville Campus, Kemptville, Ontario, K0G 1J0, Canada
    J Dairy Sci 92:3922-9. 2009
    ....
  16. ncbi Technical note: validation of methodology for characterization of feeding behavior in dairy calves
    E K Miller-Cushon
    Department of Animal and Poultry Science, University of Guelph, Kemptville Campus, 830 Prescott Street, Kemptville, ON K0G 1J0, Canada
    J Dairy Sci 94:6103-10. 2011
    ..Instantaneous recording can provide accurate calf feeding behavior data if the recording interval is sufficiently short...
  17. ncbi Dietary forage concentration affects the feed sorting behavior of lactating dairy cows
    T J Devries
    Agriculture and Agri Food Canada, PO Box 3000, Research Centre, Lethbridge, Alberta, T1J 4B1, Canada
    J Dairy Sci 90:5572-9. 2007
    ..These results indicate that cows rapidly adjust their sorting behavior when subjected to a dietary change, and they exhibit more sorting for short particles and against long particles, NDF, and peNDF when fed an LF diet...
  18. ncbi Repeated ruminal acidosis challenges in lactating dairy cows at high and low risk for developing acidosis: feeding, ruminating, and lying behavior
    T J Devries
    Agriculture and Agri Food Canada, Research Centre, Lethbridge, Alberta T1J 4B1, Canada
    J Dairy Sci 92:5067-78. 2009
    ....
  19. ncbi Repeated ruminal acidosis challenges in lactating dairy cows at high and low risk for developing acidosis: feed sorting
    T J Devries
    Agriculture and Agri Food Canada, Lethbridge, Alberta, Canada
    J Dairy Sci 91:3958-67. 2008
    ..For the HR cows, severe acidosis was associated with increased sorting for the longer particles in the diet and against the shorter particles, likely to lessen the effects of the very...
  20. ncbi Effect of milk feeding level on development of feeding behavior in dairy calves
    E K Miller-Cushon
    Department of Animal and Poultry Science, University of Guelph, Kemptville Campus, 830 Prescott Street, Kemptville, ON, K0G 1J0, Canada
    J Dairy Sci 96:551-64. 2013
    ..However, differences in early feeding patterns due to milk feeding level do not appear to affect longer-term development of feeding patterns...
  21. ncbi Short communication: The effects of experimentally induced Escherichia coli clinical mastitis on lying behavior of dairy cows
    J A Cyples
    Department of Animal and Poultry Science, University of Guelph, ON, Canada
    J Dairy Sci 95:2571-5. 2012
    ..Although additional studies with larger numbers of animals are needed, automated monitoring of lying behavior could be an important component of the on-farm early detection of health problems, such as mastitis, in the future...
  22. ncbi Short communication: effects of frequency of feed delivery and bunk space on the feeding behavior of limit-fed dairy heifers
    A M Greter
    Department of Animal and Poultry Science, University of Guelph, Kemptville Campus, 830 Prescott Street, Kemptville, Ontario, K0G 1J0, Canada
    J Dairy Sci 96:1803-10. 2013
    ..Additionally, although delivering feed 1 ×/d resulted in increased competition, it also enabled heifers to gain adequate weight and spend more time feeding each day...
  23. ncbi Associations of housing, management, milking activity, and standing and lying behavior of dairy cows milked in automatic systems
    J A Deming
    Department of Animal and Poultry Science, University of Guelph, Kemptville Campus, 830 Prescott Street, Kemptville, ON, K0G 1J0, Canada
    J Dairy Sci 96:344-51. 2013
    ..Further, in AMS systems, greater milk yield and lying duration may be achieved by ensuring that cows have ample feed bunk space and have their feed readily available to them in the bunk...