Robert B Walsh

Summary

Affiliation: University of Guelph
Country: Canada

Publications

  1. ncbi request reprint The effect of a progesterone releasing intravaginal device (PRID) on pregnancy risk to fixed-time insemination following diagnosis of non-pregnancy in dairy cows
    R B Walsh
    Department of Population Medicine, University of Guelph, Guelph, Ontario, Canada N1G 2W1
    Theriogenology 67:948-56. 2007
  2. ncbi request reprint Prevalence and risk factors for postpartum anovulatory condition in dairy cows
    R B Walsh
    Department of Population Medicine, University of Guelph, Guelph, Ontario, Canada, N1G 2W1
    J Dairy Sci 90:315-24. 2007
  3. ncbi request reprint Synchronization of estrus and pregnancy risk in anestrous dairy cows after treatment with a progesterone-releasing intravaginal device
    R B Walsh
    Department of Population Medicine, University of Guelph, Guelph, Ontario, Canada, N1G 2W1
    J Dairy Sci 90:1139-48. 2007
  4. ncbi request reprint The effect of subclinical ketosis in early lactation on reproductive performance of postpartum dairy cows
    R B Walsh
    Department of Population Medicine, University of Guelph, Ontario, Canada, N1G 2W1
    J Dairy Sci 90:2788-96. 2007
  5. pmc Safety of a progesterone-releasing intravaginal device as assessed from vaginal mucosal integrity and indicators of systemic inflammation in postpartum dairy cows
    Robert B Walsh
    Department of Population Medicine, University of Guelph, Guelph, Ontario N1G 2W1
    Can J Vet Res 72:43-9. 2008
  6. pmc Evaluation of enzyme-linked immunosorbent assays performed on milk and serum samples for detection of neosporosis and leukosis in lactating dairy cows
    Robert B Walsh
    Department of Population Medicine, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada N1G 2W1 Walsh, Kelton, Duffield The California Animal Health and Food Safety Laboratory System, University of California, Davis Campus, PO Box 1770, Davis, California 95617, USA Hietala
    Can Vet J 54:347-52. 2013
  7. pmc Beef herd poisoning due to ingestion of tansy ragwort in southwestern Ontario
    Robert B Walsh
    Department of Population Medicine, Ontario Veterinary College, University of Guelph, Guelph, Ontario
    Can Vet J 48:737-40. 2007

Detail Information

Publications7

  1. ncbi request reprint The effect of a progesterone releasing intravaginal device (PRID) on pregnancy risk to fixed-time insemination following diagnosis of non-pregnancy in dairy cows
    R B Walsh
    Department of Population Medicine, University of Guelph, Guelph, Ontario, Canada N1G 2W1
    Theriogenology 67:948-56. 2007
    ..8% versus 34.9% in PRID-treated versus PID-treated animals. Exogenous progesterone provided through an intravaginal device to non-pregnant cows that had not displayed estrus improved the probability of pregnancy after fixed-time AI...
  2. ncbi request reprint Prevalence and risk factors for postpartum anovulatory condition in dairy cows
    R B Walsh
    Department of Population Medicine, University of Guelph, Guelph, Ontario, Canada, N1G 2W1
    J Dairy Sci 90:315-24. 2007
    ..The daily probability of pregnancy (hazard ratio) was similar to cycling cows by 165 d in milk. The results underline the important associations of peripartum health with reproductive function and performance...
  3. ncbi request reprint Synchronization of estrus and pregnancy risk in anestrous dairy cows after treatment with a progesterone-releasing intravaginal device
    R B Walsh
    Department of Population Medicine, University of Guelph, Guelph, Ontario, Canada, N1G 2W1
    J Dairy Sci 90:1139-48. 2007
    ..87 d). These results support the efficacy of a PRID to induce estrus in previously anestrous cows. The reason, however, for the variable response between primiparous and multiparous cows was not clear...
  4. ncbi request reprint The effect of subclinical ketosis in early lactation on reproductive performance of postpartum dairy cows
    R B Walsh
    Department of Population Medicine, University of Guelph, Ontario, Canada, N1G 2W1
    J Dairy Sci 90:2788-96. 2007
    ..From this analysis, both the relative circulating concentration of BHBA and the duration of elevated circulating BHBA were negatively associated with the probability of pregnancy at first service...
  5. pmc Safety of a progesterone-releasing intravaginal device as assessed from vaginal mucosal integrity and indicators of systemic inflammation in postpartum dairy cows
    Robert B Walsh
    Department of Population Medicine, University of Guelph, Guelph, Ontario N1G 2W1
    Can J Vet Res 72:43-9. 2008
    ..There was no significant difference in the circulating haptoglobin concentration between the 3 groups of cows. Culture revealed commensal bacterial growth in the vagina of all the cows...
  6. pmc Evaluation of enzyme-linked immunosorbent assays performed on milk and serum samples for detection of neosporosis and leukosis in lactating dairy cows
    Robert B Walsh
    Department of Population Medicine, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada N1G 2W1 Walsh, Kelton, Duffield The California Animal Health and Food Safety Laboratory System, University of California, Davis Campus, PO Box 1770, Davis, California 95617, USA Hietala
    Can Vet J 54:347-52. 2013
    ..The ELISA on milk samples facilitates sample collection to classify herds free of BLV; the milk N. caninum ELISA was less reliable in predicting herd-level infection. ..
  7. pmc Beef herd poisoning due to ingestion of tansy ragwort in southwestern Ontario
    Robert B Walsh
    Department of Population Medicine, Ontario Veterinary College, University of Guelph, Guelph, Ontario
    Can Vet J 48:737-40. 2007
    ..The bull was euthanized and 3 other cows died. Significantly, this disease has not been documented in Ontario before, and clinical signs of icterus or hepatoencephalopathy were not observed...