Our Wellington and Manawatū campuses are open, Auckland remains closed at AL4. More information.

Contact details +6469517007

Dr Scott McDougall

Professor of Dairy Cattle Health

School of Veterinary Science

Research Projects

Summary of Research Projects

Position Current Completed
Project Leader 2 4

Research Outputs

Journal

McDougall, S., & Castle, R. (2021). 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. New Zealand Veterinary Journal.
[Journal article]Authored by: McDougall, S.
McDougall, S., Graham, EM., Aberdein, D., Reed, CB., & Burke, CR. (2021). Development of an intrauterine infection model in the postpartum dairy cow. New Zealand Veterinary Journal.
[Journal article]Authored by: Aberdein, D., McDougall, S.
McDougall, S. (2021). 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. New Zealand Veterinary Journal. 69(5), 285-293
[Journal article]Authored by: McDougall, S.
McDougall, S., Williamson, J., Gohary, K., & Lacy-Hulbert, J. (2021). Detecting intramammary infection at the end of lactation in dairy cows. Journal of Dairy Science. 104(9), 10232-10249
[Journal article]Authored by: McDougall, S.
McDougall, S., Penry, J., & Dymock, D. (2021). Antimicrobial susceptibilities in dairy herds that differ in dry cow therapy usage. Journal of Dairy Science. 104(8), 9142-9163
[Journal article]Authored by: McDougall, S.
McDougall, S., Castle, R., Blythe, E., Macpherson, Y., & Karkaba, A. (2021). 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. New Zealand Veterinary Journal. 69(4), 211-223
[Journal article]Authored by: McDougall, S.
McDougall, S. (2021). Effect of calf age on bovine viral diarrhea virus tests. Journal of Veterinary Diagnostic Investigation. 33(3), 528-537
[Journal article]Authored by: McDougall, S.
McDougall, S., Clausen, L., Ha, HJ., Gibson, I., Bryan, M., Hadjirin, N., . . . Holmes, MA. (2020). Mechanisms of β-lactam resistance of Streptococcus uberis isolated from bovine mastitis cases. Veterinary Microbiology. 242
[Journal article]Authored by: McDougall, S.
McDougall, S., Aberdein, D., Bates, A., & Burke, CR. (2020). Prevalence of endometritis diagnosed by vaginal discharge scoring or uterine cytology in dairy cows and herds. Journal of Dairy Science. 103(7), 6511-6521
[Journal article]Authored by: Aberdein, D., McDougall, S.
Roberts, KI., Bennison, J., & McDougall, S. (2019). Effect of treatment with oral Ca boluses following calving on concentrations of Ca in serum in pasture-based dairy cows. New Zealand Veterinary Journal. 67(1), 20-26
[Journal article]Authored by: McDougall, S.
Roberts, KI., & McDougall, S. (2019). Risk factors for subclinical hypocalcaemia, and associations between subclinical hypocalcaemia and reproductive performance, in pasture-based dairy herds in New Zealand. New Zealand Veterinary Journal. 67(1), 12-19
[Journal article]Authored by: McDougall, S.
McDougall, S., Clausen, L., Hintukainen, J., & Hunnam, J. (2019). Randomized, controlled, superiority study of extended duration of therapy with an intramammary antibiotic for treatment of clinical mastitis. Journal of Dairy Science. 102(5), 4376-4386
[Journal article]Authored by: McDougall, S.
Ferguson, SA., Menorca, A., Van Zuylen, EM., Cheung, CY., McConnell, MA., Rennison, D., . . . Heikal, A. (2019). Microtiter screening reveals oxygen-dependent antimicrobial activity of natural products against mastitis-causing bacteria. Frontiers in Microbiology. 10(AUG)
[Journal article]Authored by: McDougall, S.
De Vries, SPW., Hadjirin, NF., Lay, EM., Zadoks, RN., Peacock, SJ., Parkhill, J., . . . Holmes, MA. (2018). Streptococcus bovimastitidis sp. nov., isolated from a dairy cow with mastitis. International Journal of Systematic and Evolutionary Microbiology. 68(1), 21-27
[Journal article]Authored by: McDougall, S.
Denholm, KS., McDougall, S., Chambers, G., & Clough, W. (2018). Factors associated with colostrum quality in individual cows from dairy herds in the Waikato region of New Zealand. New Zealand Veterinary Journal. 66(3), 115-120
[Journal article]Authored by: McDougall, S.
McDougall, S., Niethammer, J., & Graham, EM. (2018). Antimicrobial usage and risk of retreatment for mild to moderate clinical mastitis cases on dairy farms following on-farm bacterial culture and selective therapy. New Zealand Veterinary Journal. 66(2), 98-107
[Journal article]Authored by: McDougall, S.
van Soest, FJS., Abbeloos, E., McDougall, S., & Hogeveen, H. (2018). Addition of meloxicam to the treatment of bovine clinical mastitis results in a net economic benefit to the dairy farmer. Journal of Dairy Science. 101(4), 3387-3397
[Journal article]Authored by: McDougall, S.
McDougall, S., Leane, S., Butler, ST., Roche, JR., & Burke, CR. (2018). Effect of altering the type of dietary carbohydrate early postpartum on reproductive performance and milk production in pasture-grazed dairy cows. Journal of Dairy Science. 101(4), 3433-3446
[Journal article]Authored by: McDougall, S.
Almughlliq, FB., Koh, YQ., Peiris, HN., Vaswani, K., McDougall, S., Graham, EM., . . . Mitchell, MD. (2018). Proteomic content of circulating exosomes in dairy cows with or without uterine infection. Theriogenology. 114, 173-179
[Journal article]Authored by: McDougall, S.
Heiser, A., LeBlanc, SJ., & McDougall, S. (2018). Pegbovigrastim treatment affects gene expression in neutrophils of pasture-fed, periparturient cows. Journal of Dairy Science. 101(9), 8194-8207
[Journal article]Authored by: McDougall, S.
Gohary, K., & McDougall, S. (2018). Predicting intramammary infection status at drying off using indirect testing of milk samples. New Zealand Veterinary Journal. 66(6), 312-318
[Journal article]Authored by: McDougall, S.
Littlejohn, MD., Turner, SA., Walker, CG., Berry, SD., Tiplady, K., Sherlock, RG., . . . Hillerton, JE. (2018). Identification of an immune modulation locus utilising a bovine mammary gland infection challenge model. Journal of Dairy Research. 85(2), 185-192
[Journal article]Authored by: Garrick, D., Littlejohn, M., McDougall, S.
McDougall, S., LeBlanc, SJ., & Heiser, A. (2017). Effect of prepartum energy balance on neutrophil function following pegbovigrastim treatment in periparturient cows. Journal of Dairy Science. 100(9), 7478-7492
[Journal article]Authored by: McDougall, S.
Denholm, KS., Hunnam, JC., Cuttance, EL., & McDougall, S. (2017). Influence of preservation methods on the quality of colostrum sourced from New Zealand dairy farms. New Zealand Veterinary Journal. 65(5), 264-269
[Journal article]Authored by: McDougall, S.
Almughlliq, FB., Koh, YQ., Peiris, HN., Vaswani, K., McDougall, S., Graham, EM., . . . Mitchell, MD. (2017). Effect of exosomes from plasma of dairy cows with or without an infected uterus on prostaglandin production by endometrial cell lines. Journal of Dairy Science. 100(11), 9143-9152
[Journal article]Authored by: McDougall, S.
Denholm, KS., Hunnam, JC., Cuttance, EL., & McDougall, S. (2017). Associations between management practices and colostrum quality on New Zealand dairy farms. New Zealand Veterinary Journal. 65(5), 257-263
[Journal article]Authored by: McDougall, S.
McDougall, S., Compton, CWR., & Botha, N. (2017). Factors influencing antimicrobial prescribing by veterinarians and usage by dairy farmers in New Zealand. New Zealand Veterinary Journal. 65(2), 84-92
[Journal article]Authored by: Compton, C., McDougall, S.
Cuttance, EL., Mason, WA., McDermott, J., Laven, RA., McDougall, S., & Phyn, CVC. (2017). Calf and replacement heifer mortality from birth until weaning in pasture-based dairy herds in New Zealand. Journal of Dairy Science. 100(10), 8347-8357
[Journal article]Authored by: Laven, R., McDougall, S.
Compton, CWR., Heuer, C., Thomsen, PT., Carpenter, TE., Phyn, CVC., & McDougall, S. (2017). Invited review: A systematic literature review and meta-analysis of mortality and culling in dairy cattle. Journal of Dairy Science. 100(1), 1-16
[Journal article]Authored by: Compton, C., McDougall, S.
Vailati-Riboni, M., Kanwal, M., Bulgari, O., Meier, S., Priest, NV., Burke, CR., . . . Loor, JJ. (2016). 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. Journal of Dairy Science. 99(1), 758-770
[Journal article]Authored by: McDougall, S.
McDougall, S., Abbeloos, E., Piepers, S., Rao, AS., Astiz, S., van Werven, T., . . . Pérez-Villalobos, N. (2016). Addition of meloxicam to the treatment of clinical mastitis improves subsequent reproductive performance. Journal of Dairy Science. 99(3), 2026-2042
[Journal article]Authored by: McDougall, S.
McDougall, S., Hillerton, JE., & Pegram, D. (2016). Concentrations of buparvaquone in milk and tissue of dairy cows. New Zealand Veterinary Journal. 64(6), 318-323
[Journal article]Authored by: McDougall, S.
Brownlie, TS., Morton, JM., & McDougall, S. (2016). Accuracy of fetal age estimates using transrectal ultrasonography for predicting calving dates in dairy cows in seasonally calving herds in New Zealand. New Zealand Veterinary Journal. 64(6), 324-329
[Journal article]Authored by: McDougall, S.
Dittmer, KE., Hitchcock, B., McDougall, S., & Hunnam, JC. (2016). Pathophysiology of humeral fractures in a sample of dairy heifers. New Zealand Veterinary Journal. 64(4), 230-237
[Journal article]Authored by: Dittmer, K., McDougall, S.
Walker, CG., Meier, S., Hussein, H., McDougall, S., Burke, CR., Roche, JR., . . . Mitchell, MD. (2015). Modulation of the immune system during postpartum uterine inflammation. Physiological Genomics. 47(4), 89-101
[Journal article]Authored by: McDougall, S.
Vailati Riboni, M., Meier, S., Priest, NV., Burke, CR., Kay, JK., McDougall, S., . . . Loor, JJ. (2015). Adipose and liver gene expression profiles in response to treatment with a nonsteroidal antiinflammatory drug after calving in grazing dairy cows. Journal of Dairy Science. 98(5), 3079-3085
[Journal article]Authored by: McDougall, S.
Compton, CWR., Young, L., & McDougall, S. (2015). 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. New Zealand Veterinary Journal. 63(5), 241-248
[Journal article]Authored by: Compton, C., McDougall, S.
Compton, CWR., Young, L., & McDougall, S. (2015). Efficacy of controlled-release capsules containing monensin for the prevention of subclinical ketosis in pasture-fed dairy cows. New Zealand Veterinary Journal. 63(5), 249-253
[Journal article]Authored by: Compton, C., McDougall, S.
De Boer, M., Heuer, C., Hussein, H., & McDougall, S. (2015). Minimum inhibitory concentrations of selected antimicrobials against Escherichia coli and Trueperella pyogenes of bovine uterine origin. Journal of Dairy Science. 98(7), 4427-4438
[Journal article]Authored by: McDougall, S.
de Boer, M., Buddle, BM., Heuer, C., Hussein, H., Zheng, T., LeBlanc, SJ., . . . McDougall, S. (2015). Associations between intrauterine bacterial infection, reproductive tract inflammation, and reproductive performance in pasture-based dairy cows. Theriogenology. 83(9), 1514-1524
[Journal article]Authored by: McDougall, S.
Brownlie, TS., Morton, JM., Heuer, C., & McDougall, S. (2015). 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. Veterinary Journal. 203(2), 169-176
[Journal article]Authored by: McDougall, S.
Brownlie, TS., Morton, JM., Heuer, C., & McDougall, S. (2015). Effects of a group-based reproductive management extension programme on key management outcomes affecting reproductive performance. Veterinary Journal. 203(2), 177-186
[Journal article]Authored by: McDougall, S.
Brownlie, TS., Morton, JM., Heuer, C., & McDougall, S. (2015). 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. Veterinary Journal.
[Journal article]Authored by: McDougall, S.
Brownlie, TS., Morton, JM., Heuer, C., & McDougall, S. (2015). Effects of a group-based reproductive management extension programme on key management outcomes affecting reproductive performance. Veterinary Journal.
[Journal article]Authored by: McDougall, S.
Steele, N., & McDougall, S. (2014). Effect of prolonged duration therapy of subclinical mastitis in lactating dairy cows using penethamate hydriodide. New Zealand Veterinary Journal. 62(1), 38-46
[Journal article]Authored by: McDougall, S.
Akbar, H., Cardoso, FC., Meier, S., Burke, C., McDougall, S., Mitchell, M., . . . Loor, JJ. (2014). Postpartal subclinical endometritis alters transcriptome profiles in liver and adipose tissue of dairy cows. Bioinformatics and Biology Insights. 8, 45-63
[Journal article]Authored by: McDougall, S.
McDougall, S., Malcolm, D., & Prosser, CG. (2014). Prevalence and incidence of intramammary infections in lactating dairy goats. New Zealand Veterinary Journal. 62(3), 136-145
[Journal article]Authored by: McDougall, S.
Meier, S., Priest, NV., Burke, CR., Kay, JK., McDougall, S., Mitchell, MD., . . . Roche, JR. (2014). Treatment with a nonsteroidal antiinflammatory drug after calving did not improve milk production, health, or reproduction parameters in pasture-grazed dairy cows. Journal of Dairy Science. 97(5), 2932-2943
[Journal article]Authored by: McDougall, S.
de Boer, MW., Zheng, T., Buddle, BM., & McDougall, S. (2014). Detection of bovine herpesvirus type 4 antibodies and bovine lymphotropic herpesvirus in New Zealand dairy cows. New Zealand Veterinary Journal. 62(6), 351-355
[Journal article]Authored by: McDougall, S.
De Boer, MW., LeBlanc, SJ., Dubuc, J., Meier, S., Heuwieser, W., Arlt, S., . . . McDougall, S. (2014). Invited review: Systematic review of diagnostic tests for reproductive-tract infection and inflammation in dairy cows<sup>1</sup>. Journal of Dairy Science. 97(7), 3983-3999
[Journal article]Authored by: McDougall, S.
Compton, CWR., McDougall, S., Young, L., & Bryan, MA. (2014). Prevalence of subclinical ketosis in mainly pasture-grazed dairy cows in New Zealand in early lactation. New Zealand Veterinary Journal. 62(1), 30-37
[Journal article]Authored by: Compton, C., McDougall, S.
Compton, CWR., Emslie, FR., & McDougall, S. (2014). Randomised controlled trials demonstrate efficacy of a novel internal teat sealant to prevent new intramammary infections in dairy cows and heifers. New Zealand Veterinary Journal. 62(5), 258-266
[Journal article]Authored by: Compton, C., McDougall, S.
McDougall, S., Brownlie, T., De Boer, M., Roberts, K., & Compton, C. (2014). Managing reproduction in the grazing cow. Cattle Practice. 22, 72-76
[Journal article]Authored by: Compton, C., McDougall, S.
McDougall, S., Hussein, H., & Petrovski, K. (2014). Antimicrobial resistance in Staphylococcus aureus, Streptococcus uberis and Streptococcus dysgalactiae from dairy cows with mastitis. New Zealand Veterinary Journal. 62(2), 68-76
[Journal article]Authored by: McDougall, S.
De Boer, M., Heuer, C., Hussein, H., & McDougall, S. (2014). Minimum inhibitory concentrations of selected antimicrobials against Escherichia coli and Trueperella pyogenes of bovine uterine origin. Journal of Dairy Science.
[Journal article]Authored by: McDougall, S.
De Boer, M., Buddle, BM., Heuer, C., Hussein, H., Zheng, T., LeBlanc, SJ., . . . McDougall, S. (2014). Associations between intrauterine bacterial infection, reproductive tract inflammation, and reproductive performance in pasture-based dairy cows. Theriogenology.
[Journal article]Authored by: McDougall, S.
McDougall, S., Heuer, C., Morton, J., & Brownlie, T. (2014). Use of herd management programmes to improve the reproductive performance of dairy cattle. Animal. 8(SUPPL. 1), 199-210
[Journal article]Authored by: McDougall, S.
McDougall, S., Heuer, C., Morton, J., & Brownlie, T. (2014). Use of herd management programmes to improve the reproductive performance of dairy cattle. Animal.
[Journal article]Authored by: McDougall, S.
Brownlie, TS., Morton, JM., Heuer, C., Hunnam, J., & McDougall, S. (2014). Reproductive performance of seasonal-calving, pasture-based dairy herds in four regions of New Zealand. New Zealand Veterinary Journal. 62(2), 77-86
[Journal article]Authored by: McDougall, S.
Priest, NV., McDougall, S., Burke, CR., Roche, JR., Mitchell, M., McLeod, KL., . . . Meier, S. (2013). The responsiveness of subclinical endometritis to a nonsteroidal antiinflammatory drug in pasture-grazed dairy cows.. J Dairy Sci. 96(7), 4323-4332
[Journal article]Authored by: McDougall, S.
Priest, NV., McDougall, S., Burke, CR., Roche, JR., Mitchell, M., McLeod, KL., . . . Meier, S. (2013). The responsiveness of subclinical endometritis to a nonsteroidal antiinflammatory drug in pasture-grazed dairy cows. Journal of Dairy Science. 96(7), 4323-4332
[Journal article]Authored by: McDougall, S.
McDougall, S., Rhodes, FM., & Compton, CWR. (2013). Evaluation of three synchrony programs for pasture-based dairy heifers. Theriogenology. 79(5), 882-889
[Journal article]Authored by: Compton, C., McDougall, S.
McDougall, S., de Boer, M., Compton, C., & LeBlanc, SJ. (2013). Clinical trial of treatment programs for purulent vaginal discharge in lactating dairy cattle in New Zealand. Theriogenology. 79(8), 1139-1145
[Journal article]Authored by: Compton, C., McDougall, S.
Brownlie, T., Morton, J., Heuer, C., Hunnam, J., & McDougall, S. (2013). Reproductive performance of seasonal-calving, pasture-based dairy herds in four regions of New Zealand. New Zealand Veterinary Journal.
[Journal article]Authored by: McDougall, S.
Weir, A., Heuer, C., McDougall, S., & Voges, H. (2013). Use of an enzyme-linked immunosorbent assay for detecting bovine viral diarrhoea virus antibodies in individual cow milk samples. New Zealand Veterinary Journal. 61(5), 305-309
[Journal article]Authored by: McDougall, S.
Weir, A., Heuer, C., McDougall, S., & Voges, H. (2013). Use of an enzyme-linked immunosorbent assay for detecting bovine viral diarrhoea virus antibodies in individual cow milk samples. New Zealand Veterinary Journal.
[Journal article]Authored by: McDougall, S.
De Vliegher, S., Fox, LK., Piepers, S., McDougall, S., & Barkema, HW. (2012). Invited review: Mastitis in dairy heifers: Nature of the disease, potential impact, prevention, and control. Journal of Dairy Science. 95(3), 1025-1040
[Journal article]Authored by: McDougall, S.
Zadoks, RN., Middleton, JR., McDougall, S., Katholm, J., & Schukken, YH. (2011). Molecular epidemiology of mastitis pathogens of dairy cattle and comparative relevance to humans. Journal of Mammary Gland Biology and Neoplasia. 16(4), 357-372
[Journal article]Authored by: McDougall, S.
McDougall, S., Lopez-Villalobos, N., & Prosser, CG. (2011). Relationship between estimated breeding value for somatic cell count and prevalence of intramammary infection in dairy goats. New Zealand Veterinary Journal. 59(6), 300-304
[Journal article]Authored by: Lopez-Villalobos, N., McDougall, S.
McDougall, S., Hussein, H., Aberdein, D., Buckle, K., Roche, J., Burke, C., . . . Meier, S. (2011). Relationships between cytology, bacteriology and vaginal discharge scores and reproductive performance in dairy cattle. Theriogenology. 76(2), 229-240
[Journal article]Authored by: Aberdein, D., McDougall, S.
Brownlie, TS., Weir, AM., Tarbotton, I., Morton, JM., Heuer, C., & McDougall, S. (2011). Reproductive management of dairy herds in New Zealand: Attitudes, priorities and constraints perceived by farmers managing seasonal-calving, pasture-based herds in four regions. New Zealand Veterinary Journal. 59(1), 28-39
[Journal article]Authored by: McDougall, S.
McDougall, S. (2010). A randomised, non-inferiority trial of a new cephalonium dry-cow therapy. New Zealand Veterinary Journal. 58(1), 45-58
[Journal article]Authored by: McDougall, S.
McDougall, S. (2010). Comparison of diagnostic approaches, and a cost-benefi t analysis of different diagnostic approaches and treatments of anoestrous dairy cows. New Zealand Veterinary Journal. 58(2), 81-89
[Journal article]Authored by: McDougall, S.
McDougall, S. (2010). Effects of treatment of anestrous dairy cows with gonadotropin-releasing hormone, prostaglandin, and progesterone. Journal of Dairy Science. 93(5), 1944-1959
[Journal article]Authored by: McDougall, S.
McDougall, S., Supré, K., De Vliegher, S., Haesebrouck, F., Hussein, H., Clausen, L., . . . Prosser, C. (2010). Diagnosis and treatment of subclinical mastitis in early lactation in dairy goats. Journal of Dairy Science. 93(10), 4710-4721
[Journal article]Authored by: McDougall, S.
Compton, CWR., & McDougall, S. (2010). A longitudinal study of reproductive performance and management of 82 dairy herds in the waikato region with differing policies on the routine use of induction of parturition. New Zealand Veterinary Journal. 58(4), 175-183
[Journal article]Authored by: Compton, C., McDougall, S.
Burke, CR., Meier, S., McDougall, S., Compton, C., Mitchell, M., & Roche, JR. (2010). Relationships between endometritis and metabolic state during the transition period in pasture-grazed dairy cows. Journal of Dairy Science. 93(11), 5363-5373
[Journal article]Authored by: Compton, C., McDougall, S.
McDougall, S., Bryan, MA., & Tiddy, RM. (2009). 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. Journal of Dairy Science. 92(9), 4421-4431
[Journal article]Authored by: McDougall, S.
Compton, CWR., Cursons, RTM., Barnett, CME., & McDougall, S. (2009). Expression of innate resistance factors in mammary secretion from periparturient dairy heifers and their association with subsequent infection status. Veterinary Immunology and Immunopathology. 127(3-4), 357-364
[Journal article]Authored by: Compton, C., McDougall, S.
McDougall, S., Parker, KI., Heuer, C., & Compton, CWR. (2009). A review of prevention and control of heifer mastitis via non-antibiotic strategies. Veterinary Microbiology. 134(1-2), 177-185
[Journal article]Authored by: Compton, C., McDougall, S.
Hunnam, JC., Parkinson, TJ., Lopez-Villalobos, N., & McDougall, S. (2009). Association between gestational age and bovine fetal characteristics measured by transcutaneous ultrasound over the right flank of the dairy cow. Australian Veterinary Journal. 87(9), 379-383
[Journal article]Authored by: Lopez-Villalobos, N., McDougall, S.
Hunnam, JC., Parkinson, TJ., & McDougall, S. (2009). Transcutaneous ultrasound over the right flank to diagnose mid- to late-pregnancy in the dairy cow. Australian Veterinary Journal. 87(8), 313-317
[Journal article]Authored by: McDougall, S.
Hunnam, JC., Parkinson, TJ., Lopez-Villalobos, N., & McDougall, S. (2009). Comparison of transcutaneous ultrasound over the right flank with transrectal ultrasound for pregnancy diagnosis in the dairy cow. Australian Veterinary Journal. 87(8), 318-322
[Journal article]Authored by: Lopez-Villalobos, N., McDougall, S.
Fitzmaurice, J., Sewell, M., King, CM., McDougall, S., McDonald, WL., & O’Keefe, JS. (2008). A real-time polymerase chain reaction assay for the detection of mycoplasma agalactiae. New Zealand Veterinary Journal. 56(5), 233-236
[Journal article]Authored by: McDougall, S.
McDougall, S., Parker, KI., Weir, AM., & Compton, CWR. (2008). 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. New Zealand Veterinary Journal. 56(3), 120-129
[Journal article]Authored by: Compton, C., McDougall, S.
Parker, KI., Compton, CWR., Anniss, FM., Heuer, C., & McDougall, S. (2008). 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. Journal of Dairy Science. 91(1), 169-181
[Journal article]Authored by: Compton, C., McDougall, S.
McDougall, S., Arthur, DG., Bryan, MA., Vermunt, JJ., & Weir, AM. (2007). Clinical and bacteriological response to treatment of clinical mastitis with one of three intramammary antibiotics. New Zealand Veterinary Journal. 55(4), 161-170
[Journal article]Authored by: McDougall, S.
McDougall, S., Agnew, KE., Cursons, R., Hou, XX., & Compton, CRW. (2007). Parenteral treatment of clinical mastitis with tylosin base or penethamate hydriodide in dairy cattle. Journal of Dairy Science. 90(2), 779-789
[Journal article]Authored by: Compton, C., McDougall, S.
Parker, KI., Compton, CWR., Anniss, FM., Weir, AM., & McDougall, S. (2007). Management of dairy heifers and its relationships with the incidence of clinical mastitis. New Zealand Veterinary Journal. 55(5), 208-216
[Journal article]Authored by: Compton, C., McDougall, S.
McDougall, S., Macaulay, R., & Compton, C. (2007). Association between endometritis diagnosis using a novel intravaginal device and reproductive performance in dairy cattle. Animal Reproduction Science. 99(1-2), 9-23
[Journal article]Authored by: Compton, C., McDougall, S.
Compton, CWR., Heuer, C., Parker, K., & McDougall, S. (2007). Epidemiology of mastitis in pasture-grazed peripartum dairy heifers and its effects on productivity. Journal of Dairy Science. 90(9), 4157-4170
[Journal article]Authored by: Compton, C., McDougall, S.
Compton, CWR., Heuer, C., Parker, K., & McDougall, S. (2007). Risk factors for peripartum mastitis in pasture-grazed dairy heifers. Journal of Dairy Science. 90(9), 4171-4180
[Journal article]Authored by: Compton, C., McDougall, S.
Parker, KI., Compton, C., Anniss, FM., Weir, A., Heuer, C., & McOougall, S. (2007). Subclinical and clinical mastitis in heifers following the use of a teat sealant precalving. Journal of Dairy Science. 90(1), 207-218
[Journal article]Authored by: Compton, C., McDougall, S.
Mcdougall, S. (2006). Reproduction performance and management of dairy cattle. Journal of Reproduction and Development. 52(1), 185-194
[Journal article]Authored by: McDougall, S.
McDougall, S., & Compton, C. (2006). Reproductive performance in the subsequent lactation of dairy cows previously treated for failure to be detected in oestrus. New Zealand Veterinary Journal. 54(3), 132-140
[Journal article]Authored by: Compton, C., McDougall, S.
McDougall, S., Rhodes, FM., & Verkerk, GA. (2005). Pregnancy loss in dairy cattle in the waikato region of new zealand. New Zealand Veterinary Journal. 53(5), 279-287
[Journal article]Authored by: McDougall, S.
McDougall, S., Blache, D., & Rhodes, FM. (2005). Factors affecting conception and expression of oestrus in anoestrous cows treated with progesterone and oestradiol benzoate. Animal Reproduction Science. 88(3-4), 203-214
[Journal article]Authored by: McDougall, S.
McDougall, S. (2005). Gross abnormalities, bacteriology and histological lesions of uteri of dairy cows failing to conceive or maintain pregnancy. New Zealand Veterinary Journal. 53(4), 253-256
[Journal article]Authored by: McDougall, S.
McDougall, S., Compton, CWR., Hanlon, DW., Davidson, PJ., Sullivan, DJ., Gore, AH., . . . Anniss, FM. (2005). Reproductive performance in anestrous dairy cows following treatment with two protocols and two doses of progesterone. Theriogenology. 63(6), 1529-1548
[Journal article]Authored by: Compton, C., McDougall, S.
McDougall, S., & Compton, C. (2005). Reproductive performance of anestrous dairy cows treated with progesterone and estradiol benzoate. Journal of Dairy Science. 88(7), 2388-2400
[Journal article]Authored by: Compton, C., McDougall, S.
McDougall, S., Parker, K., Compton, C., & Heuer, C. (2005). Reducing subclinical and clinical mastitis in dairy heifers by precalving infusion of a teat sealant and/or parenteral antibiotic therapy. , 269-273
[Journal article]Authored by: Compton, C., McDougall, S.
McDougall, S., Young, L., & Anniss, FM. (2004). Production and health of pasture-fed dairy cattle following oral treatment with the lonophore lasalocid. Journal of Dairy Science. 87(9), 2967-2976
[Journal article]Authored by: McDougall, S.
McDougall, S., & Loeffler, SH. (2004). Resynchrony of postpartum dairy cows previously treated for anestrus. Theriogenology. 61(2-3), 239-253
[Journal article]Authored by: McDougall, S.
Lucy, MC., McDougall, S., & Nation, DP. (2004). The use of hormonal treatments to improve the reproductive performance of lactating dairy cows in feedlot or pasture-based management systems. Animal Reproduction Science. 82-83, 495-512
[Journal article]Authored by: McDougall, S.
McDougall, S., Compton, CWR., & Anniss, FM. (2004). Effect of exogenous progesterone and oestradiol on plasma progesterone concentrations and follicle wave dynamics in anovulatory anoestrous post-partum dairy cattle. Animal Reproduction Science. 84(3-4), 303-314
[Journal article]Authored by: Compton, C., McDougall, S.
McDougall, S., Parkinson, TJ., Leyland, M., Anniss, FM., & Fenwick, SG. (2004). Duration of infection and strain variation in Streptococcus uberis isolated from cows' milk. Journal of Dairy Science. 87(7), 2062-2072
[Journal article]Authored by: McDougall, S.
McDougall, S. (2003). Intramammary treatment of clinical mastitis of dairy cows with a combination of lincomycin and neomycin, or penicillin and dihydrostreptomycin. New Zealand Veterinary Journal. 51(3), 111-116
[Journal article]Authored by: McDougall, S.
McDougall, S. (2003). Management factors associated with the incidence of clinical mastitis over the non-lactation period and bulk tank somatic cell count during the subsequent lactation. New Zealand Veterinary Journal. 51(2), 63-72
[Journal article]Authored by: McDougall, S.
Rhodes, FM., McDougall, S., Burke, CR., Verkerk, GA., & Macmillan, KL. (2003). Invited review: Treatment of cows with an extended postpartum anestrous interval. Journal of Dairy Science. 86(6), 1876-1894
[Journal article]Authored by: McDougall, S.
McDougall, S. (2003). Resynchrony of previously anoestrous cows and treatment of cows not detected in oestrus that had a palpable corpus luteum with prostaglandin f<inf>2α</inf>. New Zealand Veterinary Journal. 51(3), 117-124
[Journal article]Authored by: McDougall, S.
McDougall, S. (2002). Bovine mastitis: Epidemiology, treatment and control. New Zealand Veterinary Journal. 50, 81-84
[Journal article]Authored by: McDougall, S.
McDougall, S., & Voermans, M. (2002). Influence of estrus on somatic cell count in dairy goats. Journal of Dairy Science. 85(2), 378-383
[Journal article]Authored by: McDougall, S.
McDougall, S., Pankey, W., Delaney, C., Barlow, J., Murdough, PA., & Scruton, D. (2002). Prevalence and incidence of subclinical mastitis in goats and dairy ewes in Vermont, USA. Small Ruminant Research. 46(2-3), 115-121
[Journal article]Authored by: McDougall, S.
Rhodes, FM., Morgan, SR., & Verkerk, GA. (2001). Supplementing treated anoestrous dairy cows with progesterone does not increase conception rates. New Zealand Veterinary Journal. 49(1), 8-12
[Journal article]Authored by: McDougall, S.
Rhodes, FM., & Verkerk, GA. (2001). Reproductive performance of dairy cows not detected in oestrus but with a detectable corpus luteum, in response to treatment with progesterone, oestradiol benzoate and prostaglandin f<inf>2α</inf>. New Zealand Veterinary Journal. 49(1), 13-17
[Journal article]Authored by: McDougall, S.
McDougall, S. (2001). Reproductive performance of anovulatory anoestrous postpartum dairy cows following treatment with two progesterone and oestradiol benzoate-based protocols, with or without resynchrony. New Zealand Veterinary Journal. 49(5), 187-194
[Journal article]Authored by: McDougall, S.
McDougall, S., Cullum, AA., Anniss, FM., & Rhodes, FM. (2001). Treatment of anovulatory anoestrous postpartum dairy cows with a gonadotropin-releasing hormone (Gnrh), prostaglandin F<inf>2α</inf>, Gnrh regimen or with progesterone and oestradiol benzoate. New Zealand Veterinary Journal. 49(5), 168-172
[Journal article]Authored by: McDougall, S.
McDougall, S., Murdough, P., Pankey, W., Delaney, C., Barlow, J., & Scruton, D. (2001). Relationships among somatic cell count, California mastitis test, impedance and bacteriological status of milk in goats and sheep in early lactation. Small Ruminant Research. 40(3), 245-254
[Journal article]Authored by: McDougall, S.
McDougall, S. (2001). Effects of periparturient diseases and conditions on the reproductive performance of new zealand dairy cows. New Zealand Veterinary Journal. 49(2), 60-67
[Journal article]Authored by: McDougall, S.
McDougall, S. (2001). Effect of intrauterine antibiotic treatment on reproductive performance of dairy cows following periparturient disease. New Zealand Veterinary Journal. 49(4), 150-158
[Journal article]Authored by: McDougall, S.
Xu, ZZ., Burton, LJ., McDougall, S., & Jolly, PD. (2000). Treatment of noncyclic lactating dairy cows with progesterone and estradiol or with progesterone, GnRH, prostaglandin F<inf>2α</inf>, and estradiol. Journal of Dairy Science. 83(3), 464-470
[Journal article]Authored by: McDougall, S.
McDougall, S. (2000). Recovery of bacteria from goats’ milk following freezing and the prevalence of bacterial infection in milk from goats with an elevated somatic cell count. New Zealand Veterinary Journal. 48(1), 27-29
[Journal article]Authored by: McDougall, S.
Rhodes, FM., Clark, BA., Macmillan, KL., McDougall, S., & Macmillan, KL. (1999). Insemination at the second of two induced oestrous periods in anoestrous dairy cows increases conception rates to first service. New Zealand Veterinary Journal. 47(2), 39-43
[Journal article]Authored by: McDougall, S.
McDougall, S., & Rhodes, FM. (1999). Detection of a corpus luteum in apparently anoestrous cows by manual palpation, transrectal ultrasonography and plasma progesterone concentration. New Zealand Veterinary Journal. 47(2), 47-52
[Journal article]Authored by: McDougall, S.
McDougall, S. (1999). Prevalence of clinical mastitis in 38 waikato dairy herds in early lactation. New Zealand Veterinary Journal. 47(4), 143-149
[Journal article]Authored by: McDougall, S.
McDougall, S. (1998). Efficacy of two antibiotic treatments in curing clinical and subclinical mastitis in lactating dairy cows. New Zealand Veterinary Journal. 46(6), 226-232
[Journal article]Authored by: McDougall, S.
Jolly, PD., McDougall, S., Fitzpatrick, LA., Macmillan, KL., & Entwistle, KW. (1995). Physiological effects of undernutrition on postpartum anoestrus in cows.. Journal of reproduction and fertility. Supplement. 49, 477-492
[Journal article]Authored by: McDougall, S.
McDougall, S., Burke, CR., Macmillan, KL., & Williamson, NB. (1995). Patterns of follicular development during periods of anovulation in pasture-fed dairy cows after calving. Research in Veterinary Science. 58(3), 212-216
[Journal article]Authored by: McDougall, S.
McDougall, S., Williamson, NB., & Macmillan, KL. (1995). GnRH induces ovulation of a dominant follicle in primiparous dairy cows undergoing anovulatory follicle turnover. Animal Reproduction Science. 39(3), 205-214
[Journal article]Authored by: McDougall, S.
McDougall, S., Clark, DA., Macmillan, KL., & Williamson, NB. (1995). Some effects of feeding pasture silage as a supplement to pasture on reproductive performance in lactating dairy cows. New Zealand Veterinary Journal. 43(1), 4-9
[Journal article]Authored by: McDougall, S.
McDougall, S. (1992). Controlled-release anthelmintic treatment of milking goats.. Australian veterinary journal. 69(3), 64-65
[Journal article]Authored by: McDougall, S.
McDougall, S., & Hampson, A. (1992). Efficacy of detection of oestrus in a dairy herd.. Australian veterinary journal. 69(4), 96-98
[Journal article]Authored by: McDougall, S.
McDougall, S., Lepherd, EE., & Smith, S. (1991). Haematological and biochemical reference values for grazing Saanen goats.. Australian veterinary journal. 68(11), 370-372
[Journal article]Authored by: McDougall, S.
McDougall, S. (1990). Induction of parturition in milking goats.. Australian veterinary journal. 67(12), 465-466
[Journal article]Authored by: McDougall, S.

Book

McDougall, S., & Anniss, F. (2005). Efficacy of antibiotic treatment at drying-off in curing existing infections and preventing new infections in dairy goats. In Mastitis in Dairy Production: Current Knowledge and Future Solutions. (pp. 523 - 528).
[Chapter]Authored by: McDougall, S.

Conference

Castle, R., & McDougall, S.Introducing herd level antimicrobial susceptibility data into the veterinarian–dairy farmer relationship. Australian Veterinary Journal. 97 (8)(pp. 289). 0005-0423.
[Conference]Authored by: McDougall, S.
Bryan, MA., McDougall, S., & Tiddy, RM.Incorporating the non-steroidal anti-inflammatory drug meloxicam into the treatment of clinical mastitis reduced SCC and the risk of culling. Cattle Practice. 17 (3)(pp. 173 - 183). 0969-1251.
[Conference]Authored by: McDougall, S.