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Päivi J. Rajala-Schultz

Päivi J. Rajala-Schultz

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Animal Science and Veterinary
Finland
2026

D-Index & Metrics

Animal Science and Veterinary

D-Index
43
Citations
6662
World Ranking
928
National Ranking
5

Research.com Recognitions

  • 2026 - Research.com Animal Science and Veterinary in Finland Leader Award
  • 2025 - Research.com Animal Science and Veterinary in Finland Leader Award
  • 2023 - Research.com Animal Science and Veterinary in Finland Leader Award
  • 2022 - Research.com Animal Science and Veterinary in Finland Leader Award

Overview

Päivi J. Rajala-Schultz is affiliated with the University of Helsinki in Finland, with a research focus primarily in agricultural and biological sciences as well as veterinary fields. Their work spans multiple subfields including agronomy and crop science, small animal studies, microbiology, food science, and animal science and zoology.

The researcher's primary topics of study involve milk quality and mastitis in dairy cows, animal behavior and welfare studies, microbial infections and disease research, probiotics and fermented foods, effects of environmental stressors on livestock, nail diseases and treatments, and genetic and phenotypic traits in livestock.

Recent publications by Päivi J. Rajala-Schultz include:

  • Dry-off and dairy cow udder health and welfare: Effects of different milk cessation methods, 2020, The Veterinary Journal
  • Prudent Use of Antibiotics in Dairy Cows: The Nordic Approach to Udder Health, 2021, Frontiers in Veterinary Science
  • Invited review: Selective treatment of clinical mastitis in dairy cattle, 2023, Journal of Dairy Science
  • Invited review: Selective use of antimicrobials in dairy cattle at drying-off, 2022, Journal of Dairy Science
  • Selective treatment of nonsevere clinical mastitis does not adversely affect cure, somatic cell count, milk yield, recurrence, or culling: A systematic review and meta-analysis, 2022, Journal of Dairy Science

Frequent co-authors collaborating with Päivi include Riitta Niemi, Mari Hovinen, Heli Simojoki, M.J. Vilar, and Ellen de Jong. These collaborations suggest a network focused on veterinary science and dairy cow health.

The researcher's publications are regularly featured in venues such as the Journal of Dairy Science, Frontiers in Veterinary Science, Preventive Veterinary Medicine, The Veterinary Journal, and Antibiotics. Notably, the Journal of Dairy Science is the most frequent publication venue with eight contributions.

Best Publications

  • Epidemiology of reproductive performance in dairy cows.

    Y.T. Gröhn;P.J. Rajala-Schultz;P.J. Rajala-Schultz

  • Unpasteurized Milk: A Continued Public Health Threat

    Jeffrey T. LeJeune;Päivi J. Rajala‐Schultz

  • Effects of milk fever, ketosis, and lameness on milk yield in dairy cows.

    P.J. Rajala-Schultz;P.J. Rajala-Schultz;Y.T. Gröhn;C.E. McCulloch

  • Effects of clinical mastitis on milk yield in dairy cows.

    P.J. Rajala-Schultz;P.J. Rajala-Schultz;Y.T. Gröhn;C.E. McCulloch;C.L. Guard

  • Association between milk urea nitrogen and fertility in Ohio dairy cows.

    P.J. Rajala-Schultz;W.J.A. Saville;G.S. Frazer;T.E. Wittum

  • Antimicrobial susceptibility of mastitis pathogens from first lactation and older cows.

    P J Rajala-Schultz;K L Smith;J S Hogan;B C Love

  • Short communication: association between milk yield at dry-off and probability of intramammary infections at calving.

    P.J. Rajala-Schultz;J.S. Hogan;K.L. Smith

  • Culling of dairy cows. Part I. Effects of diseases on culling in Finnish Ayrshire cows.

    P.J. Rajala-Schultz;P.J. Rajala-Schultz;Y.T. Gröhn

  • Comparison of arthroscopy and arthrotomy for diagnosis of medial meniscal pathology: an ex vivo study.

    Antonio Pozzi;Blake Eason Hildreth;Paivi J. Rajala‐Schultz

  • Association between ceftiofur use and isolation of Escherichia coli with reduced susceptibility to ceftriaxone from fecal samples of dairy cows.

    Lesley A. Tragesser;Thomas E. Wittum;Julie A. Funk;Patricia L. Winokur

  • Optimizing replacement of dairy cows: modeling the effects of diseases.

    Y.T Gröhn;P.J Rajala-Schultz;H.G Allore;M.A DeLorenzo

  • A spreadsheet-based model demonstrating the nonuniform economic effects of varying reproductive performance in Ohio dairy herds.

    C. Meadows;P.J. Rajala-Schultz;G.S. Frazer

  • Association between subjective lameness grade and kinetic gait parameters in horses with experimentally induced forelimb lameness

    Akikazu Ishihara;Alicia L. Bertone;Päivi J. Rajala-Schultz

  • In-Feed Use of Heavy Metal Micronutrients in U.S. Swine Production Systems and Its Role in Persistence of Multidrug-Resistant Salmonellae

    Julius J. Medardus;Bayleyegn Z. Molla;Matthew Nicol;W. Morgan Morrow

  • Characteristics of dairy calf ranches: Morbidity, mortality, antibiotic use practices, and biosecurity and biocontainment practices

    W.L. Walker;W.B. Epperson;T.E. Wittum;L.K. Lord

  • Sources of variation in milk urea nitrogen in Ohio dairy herds.

    P.J. Rajala-Schultz;W.J.A. Saville

  • The effect of litter size, parity and farrowing duration on placenta expulsion and retention in sows.

    S. Björkman;C. Oliviero;P.J. Rajala-Schultz;N.M. Soede

  • Culling of dairy cows. Part III. Effects of diseases, pregnancy status and milk yield on culling in Finnish Ayrshire cows.

    P.J. Rajala-Schultz;Y.T. Gröhn

  • Assessment of daily activity patterns and biomarkers of pain, inflammation, and stress in lactating dairy cows diagnosed with clinical metritis

    A.A. Barragan;J.M. Piñeiro;G.M. Schuenemann;P.J. Rajala-Schultz

  • Reproductive performance in Ohio dairy herds in the 1990s

    P.J Rajala-Schultz;G.S Frazer

  • Antimicrobial resistance and genotypic characterization of coagulase-negative staphylococci over the dry period.

    P.J. Rajala-Schultz;A.H. Torres;F.J. DeGraves;W.A. Gebreyes

Frequent Co-Authors

Thomas E. Wittum
Thomas E. Wittum The Ohio State University
Yrjö T. Gröhn
Yrjö T. Gröhn Cornell University
Wondwossen A. Gebreyes
Wondwossen A. Gebreyes The Ohio State University
Julie A. Funk
Julie A. Funk Michigan State University
Olli Peltoniemi
Olli Peltoniemi University of Helsinki
J.S. Hogan
J.S. Hogan The Ohio State University
Jeffrey T. LeJeune
Jeffrey T. LeJeune The Ohio State University
Tariq Hisham Beshara Halasa
Tariq Hisham Beshara Halasa University of Copenhagen
Mari Heinonen
Mari Heinonen University of Helsinki
Steven J. Moeller
Steven J. Moeller The Ohio State University

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Related Online Degrees & Career Pathways

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