All Stories

  1. Effect of a single prostaglandin F2α presynchrony 3 to 4 days prior to treatment of anestrous dairy cows with a novel intravaginal progesterone-releasing device and Ovsynch

    Article • Journal of Dairy Science, June 2025, American Dairy Science Association

    Dr Scott McDougall

  2. Effects of the addition of hydrocortisone aceponate to intramammary procaine penicillin for treatment of intramammary infections in dairy cattle

    Article • Journal of Dairy Science, June 2025, American Dairy Science Association

    Dr Scott McDougall

  3. Clinical and subclinical mastitis incidence in pasture-based dairy cows

    Article • New Zealand Veterinary Journal, April 2025, Taylor & Francis

    Dr Scott McDougall

  4. First identification of Bordetella bronchiseptica subclinical mastitis in a lactating dairy cow in New Zealand

    Article • New Zealand Veterinary Journal, February 2025, Taylor & Francis

    Dr Scott McDougall

  5. Epidemiology of antimicrobial resistance in commensal Escherichia coli from healthy dairy cattle on a Mediterranean pasture-based system of Australia: A cross-sectional study

    Article • Journal of Dairy Science, January 2025, American Dairy Science Association

    Dr Scott McDougall

  6. Mastitis in Cattle: Agents, Diagnosis, and Treatment

    Article • January 2025, Springer Science + Business Media

    Dr Scott McDougall

  7. Utility of an in-line somatic cell count sensor for selecting cows for dry-cow therapy

    Article • Journal of Dairy Science, December 2024, American Dairy Science Association

    Dr Scott McDougall

  8. Specificity of 2 peripartum blood markers for early-lactation acute uterine inflammation in pasture-fed, seasonal-calving dairy cows

    Article • JDS Communications, November 2024, American Dairy Science Association

    Dr Scott McDougall

  9. An Assessment of the Epidemiology and Herd-Level Impact of the Fractured Humerus Epidemic in New Zealand Dairy Cattle, 2007–2015: Results from Four Studies

    Article • Animals, February 2024, MDPI AG

    Dr Scott McDougall

  10. Invited review: Selective treatment of clinical mastitis in dairy cattle

    Article • Journal of Dairy Science, June 2023, American Dairy Science Association

    Dr Herman Wildrik Barkema, Dr Scott McDougall

  11. Invited review: Selective use of antimicrobials in dairy cattle at drying-off

    Article • Journal of Dairy Science, September 2022, American Dairy Science Association

    Dr Herman Wildrik Barkema, Dr Scott McDougall

  12. Bacteriological outcomes following random allocation to quarter-level selection based on California Mastitis Test score or cow-level allocation based on somatic cell count for dry cow therapy

    Article • Journal of Dairy Science, March 2022, American Dairy Science Association

    Dr Scott McDougall

  13. Therapy of Subclinical Mastitis during Lactation

    Article • Antibiotics, February 2022, MDPI AG

    Dr Scott McDougall

  14. The epidemiology of AmpC-producing Escherichia coli isolated from dairy cattle faeces on pasture-fed farms

    Article • Journal of Medical Microbiology, October 2021, Society for General Microbiology

    Dr Scott McDougall

  15. Risk factors for clinical or subclinical mastitis following infusion of internal teat sealant alone at the end of lactation in cows with low somatic cell counts

    Article • New Zealand Veterinary Journal, October 2021, Taylor & Francis

    Dr Scott McDougall

  16. Detecting intramammary infection at the end of lactation in dairy cows

    Article • Journal of Dairy Science, September 2021, American Dairy Science Association

    Dr Scott McDougall

  17. Development of an intrauterine infection model in the postpartum dairy cow

    Article • New Zealand Veterinary Journal, August 2021, Taylor & Francis

    Dr Scott McDougall

  18. Antimicrobial susceptibilities in dairy herds that differ in dry cow therapy usage

    Article • Journal of Dairy Science, August 2021, American Dairy Science Association

    Dr Scott McDougall

  19. Cow-level risk factors for clinical mastitis in the dry period in cows treated with an internal teat sealant alone at the end of lactation

    Article • New Zealand Veterinary Journal, June 2021, Taylor & Francis

    Dr Scott McDougall

  20. Evaluation of fully oxidised β-carotene as a feed ingredient to reduce bacterial infection and somatic cell counts in pasture-fed cows with subclinical mastitis

    Article • New Zealand Veterinary Journal, June 2021, Taylor & Francis

    Dr Scott McDougall

  21. Increasing conception rate by addition of a second prostaglandin injection in an Ovsynch and progesterone treatment programme for dairy cows not detected in oestrus before the start of the seasonal mating period

    Article • New Zealand Veterinary Journal, May 2021, Taylor & Francis

    Dr Scott McDougall

  22. Effect of calf age on bovine viral diarrhea virus tests

    Article • Journal of Veterinary Diagnostic Investigation, March 2021, SAGE Publications

    Dr Scott McDougall

  23. Evaluation of fully oxidized β-carotene as a feed ingredient to reduce bacterial infection and somatic cell counts in cows with subclinical mastitis

    Article • October 2020, Cold Spring Harbor Laboratory Press

    Dr Scott McDougall

  24. Prevalence of endometritis diagnosed by vaginal discharge scoring or uterine cytology in dairy cows and herds

    Article • Journal of Dairy Science, July 2020, American Dairy Science Association

    Dr Scott McDougall

  25. Mechanisms of β-lactam resistance of Streptococcus uberis isolated from bovine mastitis cases

    Article • Veterinary Microbiology, March 2020, Elsevier

    Dr Scott McDougall

  26. Microtiter Screening Reveals Oxygen-Dependent Antimicrobial Activity of Natural Products Against Mastitis-Causing Bacteria

    Article • Frontiers in Microbiology, August 2019, Frontiers

    Dr Scott McDougall

  27. Randomized, controlled, superiority study of extended duration of therapy with an intramammary antibiotic for treatment of clinical mastitis

    Article • Journal of Dairy Science, May 2019, American Dairy Science Association

    Dr Scott McDougall

  28. Risk factors for subclinical hypocalcaemia, and associations between subclinical hypocalcaemia and reproductive performance, in pasture-based dairy herds in New Zealand

    Article • New Zealand Veterinary Journal, September 2018, Taylor & Francis

    Dr Scott McDougall

  29. Effect of treatment with oral Ca boluses following calving on concentrations of Ca in serum in pasture-based dairy cows

    Article • New Zealand Veterinary Journal, September 2018, Taylor & Francis

    Dr Scott McDougall

  30. Pegbovigrastim treatment affects gene expression in neutrophils of pasture-fed, periparturient cows

    Article • Journal of Dairy Science, September 2018, American Dairy Science Association

    Dr Scott McDougall

  31. Predicting intramammary infection status at drying off using indirect testing of milk samples

    Article • New Zealand Veterinary Journal, August 2018, Taylor & Francis

    Dr Scott McDougall

  32. Proteomic content of circulating exosomes in dairy cows with or without uterine infection

    Article • Theriogenology, July 2018, Elsevier

    Dr Scott McDougall

  33. Identification of an immune modulation locus utilising a bovine mammary gland infection challenge model

    Article • Journal of Dairy Research, May 2018, Cambridge University Press

    Dr Scott McDougall

  34. Addition of meloxicam to the treatment of bovine clinical mastitis results in a net economic benefit to the dairy farmer

    Article • Journal of Dairy Science, April 2018, American Dairy Science Association

    Dr Scott McDougall

  35. Effect of altering the type of dietary carbohydrate early postpartum on reproductive performance and milk production in pasture-grazed dairy cows

    Article • Journal of Dairy Science, April 2018, American Dairy Science Association

    Dr Scott McDougall

  36. Factors associated with colostrum quality in individual cows from dairy herds in the Waikato region of New Zealand

    Article • New Zealand Veterinary Journal, December 2017, Taylor & Francis

    Greg Chambers, Dr Scott McDougall

  37. Effect of exosomes from plasma of dairy cows with or without an infected uterus on prostaglandin production by endometrial cell lines

    Article • Journal of Dairy Science, November 2017, American Dairy Science Association

    Dr Scott McDougall

  38. Calf and replacement heifer mortality from birth until weaning in pasture-based dairy herds in New Zealand

    Article • Journal of Dairy Science, October 2017, American Dairy Science Association

    Dr Scott McDougall

  39. Effect of prepartum energy balance on neutrophil function following pegbovigrastim treatment in periparturient cows

    Article • Journal of Dairy Science, September 2017, American Dairy Science Association

    Dr Scott McDougall

  40. Associations between management practices and colostrum quality on New Zealand dairy farms

    Article • New Zealand Veterinary Journal, July 2017, Taylor & Francis

    Dr Scott McDougall

  41. Influence of preservation methods on the quality of colostrum sourced from New Zealand dairy farms

    Article • New Zealand Veterinary Journal, July 2017, Taylor & Francis

    Dr Scott McDougall

  42. Reproductive management of seasonally calving herds

    Article • June 2017, American Dairy Science Association

    Dr Scott McDougall

  43. Invited review: A systematic literature review and meta-analysis of mortality and culling in dairy cattle

    Article • Journal of Dairy Science, January 2017, American Dairy Science Association

    Dr Scott McDougall

  44. Accuracy of fetal age estimates using transrectal ultrasonography for predicting calving dates in dairy cows in seasonally calving herds in New Zealand

    Article • New Zealand Veterinary Journal, July 2016, Taylor & Francis

    Dr Scott McDougall

  45. Concentrations of buparvaquone in milk and tissue of dairy cows

    Article • New Zealand Veterinary Journal, July 2016, Taylor & Francis

    Dr Scott McDougall

  46. Pathophysiology of humeral fractures in a sample of dairy heifers

    Article • New Zealand Veterinary Journal, April 2016, Taylor & Francis

    Dr Scott McDougall

  47. Addition of meloxicam to the treatment of clinical mastitis improves subsequent reproductive performance

    Article • Journal of Dairy Science, March 2016, American Dairy Science Association

    Dr Scott McDougall

  48. Body condition score and plane of nutrition prepartum affect adipose tissue transcriptome regulators of metabolism and inflammation in grazing dairy cows during the transition period

    Article • Journal of Dairy Science, January 2016, American Dairy Science Association

    Dr Axel Heiser, Dr Scott McDougall

  49. Effect of infusing an internal teat sealant into a gland infected with a major pathogen

    Article • July 2015, Mark Allen Group

    Dr Scott McDougall

  50. Minimum inhibitory concentrations of selected antimicrobials against Escherichia coli and Trueperella pyogenes of bovine uterine origin

    Article • Journal of Dairy Science, July 2015, American Dairy Science Association

    Dr Scott McDougall

  51. Efficacy of controlled-release capsules containing monensin for the prevention of subclinical ketosis in pasture-fed dairy cows

    Article • New Zealand Veterinary Journal, June 2015, Taylor & Francis

    Dr Scott McDougall

  52. Subclinical ketosis in post-partum dairy cows fed a predominantly pasture-based diet: defining cut-points for diagnosis using concentrations of beta-hydroxybutyrate in blood and determining prevalence

    Article • New Zealand Veterinary Journal, June 2015, Taylor & Francis

    Dr Scott McDougall

  53. Associations between intrauterine bacterial infection, reproductive tract inflammation, and reproductive performance in pasture-based dairy cows

    Article • Theriogenology, June 2015, Elsevier

    Dr Scott McDougall

  54. Adipose and liver gene expression profiles in response to treatment with a nonsteroidal antiinflammatory drug after calving in grazing dairy cows

    Article • Journal of Dairy Science, May 2015, American Dairy Science Association

    Dr Axel Heiser, Dr Scott McDougall

  55. Modulation of the immune system during postpartum uterine inflammation

    Article • Physiological Genomics, April 2015, American Physiological Society

    Dr Scott McDougall

  56. A randomised controlled study to assess the effects of an extension programme on the 6 week in-calf rate of seasonal calving, pasture-based dairy herds in New Zealand

    Article • The Veterinary Journal, February 2015, Elsevier

    Dr Scott McDougall

  57. Effects of a group-based reproductive management extension programme on key management outcomes affecting reproductive performance

    Article • The Veterinary Journal, February 2015, Elsevier

    Dr Scott McDougall

  58. Detection of bovine herpesvirus type 4 antibodies and bovine lymphotropic herpesvirus in New Zealand dairy cows

    Article • New Zealand Veterinary Journal, September 2014, Taylor & Francis

    Dr Scott McDougall

  59. Invited review: Systematic review of diagnostic tests for reproductive-tract infection and inflammation in dairy cows1

    Article • Journal of Dairy Science, July 2014, American Dairy Science Association

    Dr Susanne Meier, Dr Scott McDougall

  60. Randomised controlled trials demonstrate efficacy of a novel internal teat sealant to prevent new intramammary infections in dairy cows and heifers

    Article • New Zealand Veterinary Journal, May 2014, Taylor & Francis

    Dr Scott McDougall

  61. Treatment with a nonsteroidal antiinflammatory drug after calving did not improve milk production, health, or reproduction parameters in pasture-grazed dairy cows

    Article • Journal of Dairy Science, May 2014, American Dairy Science Association

    Dr Susanne Meier, Dr Axel Heiser, Dr Scott McDougall

  62. Prevalence and incidence of intramammary infections in lactating dairy goats

    Article • New Zealand Veterinary Journal, January 2014, Taylor & Francis

    Dr Scott McDougall

  63. Use of herd management programmes to improve the reproductive performance of dairy cattle

    Article • animal, January 2014, Elsevier

    Dr Scott McDougall

  64. Postpartal Subclinical Endometritis Alters Transcriptome Profiles in Liver and Adipose Tissue of Dairy Cows

    Article • Bioinformatics and Biology Insights, January 2014, SAGE Publications

    Dr Scott McDougall

  65. Reproductive performance of seasonal-calving, pasture-based dairy herds in four regions of New Zealand

    Article • New Zealand Veterinary Journal, November 2013, Taylor & Francis

    Dr Scott McDougall

  66. Antimicrobial resistance inStaphylococcus aureus,Streptococcus uberisandStreptococcus dysgalactiaefrom dairy cows with mastitis

    Article • New Zealand Veterinary Journal, November 2013, Taylor & Francis

    A/Prof Kiro Risto Petrovski, Dr Scott McDougall

  67. Effect of prolonged duration therapy of subclinical mastitis in lactating dairy cows using penethamate hydriodide

    Article • New Zealand Veterinary Journal, September 2013, Taylor & Francis

    Dr Scott McDougall

  68. Use of an enzyme-linked immunosorbent assay for detecting bovine viral diarrhoea virus antibodies in individual cow milk samples

    Article • New Zealand Veterinary Journal, September 2013, Taylor & Francis

    Dr Scott McDougall

  69. Prevalence of subclinical ketosis in mainly pasture-grazed dairy cows in New Zealand in early lactation

    Article • New Zealand Veterinary Journal, August 2013, Taylor & Francis

    Dr Scott McDougall

  70. The responsiveness of subclinical endometritis to a nonsteroidal antiinflammatory drug in pasture-grazed dairy cows

    Article • Journal of Dairy Science, July 2013, American Dairy Science Association

    Dr Susanne Meier, Dr Scott McDougall

  71. Clinical trial of treatment programs for purulent vaginal discharge in lactating dairy cattle in New Zealand

    Article • Theriogenology, May 2013, Elsevier

    Dr Scott McDougall

  72. Evaluation of three synchrony programs for pasture-based dairy heifers

    Article • Theriogenology, March 2013, Elsevier

    Dr Scott McDougall

  73. Invited review: Mastitis in dairy heifers: Nature of the disease, potential impact, prevention, and control

    Article • Journal of Dairy Science, March 2012, American Dairy Science Association

    Dr Herman Wildrik Barkema, Dr Scott McDougall

  74. Relationship between estimated breeding value for somatic cell count and prevalence of intramammary infection in dairy goats

    Article • New Zealand Veterinary Journal, November 2011, Taylor & Francis

    Dr Scott McDougall

  75. Molecular Epidemiology of Mastitis Pathogens of Dairy Cattle and Comparative Relevance to Humans

    Article • Journal of Mammary Gland Biology and Neoplasia, October 2011, Springer Science + Business Media

    Dr Scott McDougall

  76. Relationships between cytology, bacteriology and vaginal discharge scores and reproductive performance in dairy cattle

    Article • Theriogenology, July 2011, Elsevier

    Dr Scott McDougall

  77. Reproductive management of dairy herds in New Zealand: Attitudes, priorities and constraints perceived by farmers managing seasonal-calving, pasture-based herds in four regions

    Article • New Zealand Veterinary Journal, January 2011, Taylor & Francis

    Dr Scott McDougall

  78. Relationships between endometritis and metabolic state during the transition period in pasture-grazed dairy cows

    Article • Journal of Dairy Science, November 2010, American Dairy Science Association

    Dr Susanne Meier, Dr Scott McDougall

  79. Diagnosis and treatment of subclinical mastitis in early lactation in dairy goats

    Article • Journal of Dairy Science, October 2010, American Dairy Science Association

    Professor Freddy Haesebrouck, Dr Scott McDougall

  80. Effects of treatment of anestrous dairy cows with gonadotropin-releasing hormone, prostaglandin, and progesterone

    Article • Journal of Dairy Science, May 2010, American Dairy Science Association

    Dr Scott McDougall

  81. Effect of treatment with the nonsteroidal antiinflammatory meloxicam on milk production, somatic cell count, probability of re-treatment, and culling of dairy cows with mild clinical mastitis

    Article • Journal of Dairy Science, September 2009, American Dairy Science Association

    Dr Scott McDougall

  82. Association between gestational age and bovine fetal characteristics measured by transcutaneous ultrasound over the right flank of the dairy cow

    Article • Australian Veterinary Journal, August 2009, Wiley

    Dr Scott McDougall

  83. Comparison of transcutaneous ultrasound over the right flank with transrectal ultrasound for pregnancy diagnosis in the dairy cow

    Article • Australian Veterinary Journal, July 2009, Wiley

    Dr Scott McDougall

  84. Transcutaneous ultrasound over the right flank to diagnose mid‐ to late‐pregnancy in the dairy cow

    Article • Australian Veterinary Journal, July 2009, Wiley

    Dr Scott McDougall

  85. A review of prevention and control of heifer mastitis via non-antibiotic strategies

    Article • Veterinary Microbiology, February 2009, Elsevier

    Dr Scott McDougall

  86. Expression of innate resistance factors in mammary secretion from periparturient dairy heifers and their association with subsequent infection status

    Article • Veterinary Immunology and Immunopathology, February 2009, Elsevier

    Dr Scott McDougall

  87. Effect of application of an external teat sealant and/or oral treatment with a monensin capsule pre-calving on the prevalence and incidence of subclinical and clinical mastitis in dairy heifers

    Article • New Zealand Veterinary Journal, June 2008, Taylor & Francis

    Dr Scott McDougall

  88. Quarter-Level Analysis of Subclinical and Clinical Mastitis in Primiparous Heifers Following the Use of a Teat Sealant or an Injectable Antibiotic, or Both, Precalving

    Article • Journal of Dairy Science, January 2008, American Dairy Science Association

    Dr Scott McDougall

  89. Epidemiology of Mastitis in Pasture-Grazed Peripartum Dairy Heifers and Its Effects on Productivity

    Article • Journal of Dairy Science, September 2007, American Dairy Science Association

    Dr Scott McDougall

  90. Risk Factors for Peripartum Mastitis in Pasture-Grazed Dairy Heifers

    Article • Journal of Dairy Science, September 2007, American Dairy Science Association

    Dr Scott McDougall

  91. Association between endometritis diagnosis using a novel intravaginal device and reproductive performance in dairy cattle

    Article • Animal Reproduction Science, May 2007, Elsevier

    Dr Scott McDougall

  92. Mastitis in dairy production

    Article • January 2007, De Gruyter

    Dr Herman Wildrik Barkema, Dr Scott McDougall

  93. Subclinical and Clinical Mastitis in Heifers Following the Use of a Teat Sealant Precalving

    Article • Journal of Dairy Science, January 2007, American Dairy Science Association

    Dr Scott McDougall

  94. Reproduction Performance and Management of Dairy Cattle

    Article • Journal of Reproduction and Development, January 2006, Japanese Society of Animal Reproduction

    Dr Scott McDougall

  95. Factors affecting conception and expression of oestrus in anoestrous cows treated with progesterone and oestradiol benzoate

    Article • Animal Reproduction Science, September 2005, Elsevier

    Dr Scott McDougall

  96. Reproductive performance in anestrous dairy cows following treatment with two protocols and two doses of progesterone

    Article • Theriogenology, April 2005, Elsevier

    Dr Scott McDougall

  97. Effect of exogenous progesterone and oestradiol on plasma progesterone concentrations and follicle wave dynamics in anovulatory anoestrous post-partum dairy cattle

    Article • Animal Reproduction Science, September 2004, Elsevier

    Dr Scott McDougall

  98. The use of hormonal treatments to improve the reproductive performance of lactating dairy cows in feedlot or pasture-based management systems

    Article • Animal Reproduction Science, July 2004, Elsevier

    Dr Scott McDougall

  99. Resynchrony of postpartum dairy cows previously treated for anestrus

    Article • Theriogenology, January 2004, Elsevier

    Dr Scott McDougall

  100. Prevalence and incidence of subclinical mastitis in goats and dairy ewes in Vermont, USA

    Article • Small Ruminant Research, November 2002, Elsevier

    Dr Scott McDougall

  101. Relationships among somatic cell count, California mastitis test, impedance and bacteriological status of milk in goats and sheep in early lactation

    Article • Small Ruminant Research, June 2001, Elsevier

    Dr Scott McDougall

  102. GnRH induces ovulation of a dominant follicle in primiparous dairy cows undergoing anovulatory follicle turnover

    Article • Animal Reproduction Science, August 1995, Elsevier

    Dr Scott McDougall

  103. Patterns of follicular development during periods of anovulation in pasture-fed dairy cows after calving

    Article • Research in Veterinary Science, May 1995, Elsevier

    Dr Scott McDougall

  104. Some effects of feeding pasture silage as a supplement to pasture on reproductive performance in lactating dairy cows

    Article • New Zealand Veterinary Journal, January 1995, Taylor & Francis

    Dr Scott McDougall