The Impact of Mastitis on Reproductive Parameters of Dairy Cows

Open access


The aim of this study was to evaluate the occurrence of mastitis and its impact on the reproductive parameters in a herd of 180 dairy cows. Based on the herd records 127 cows of Slovak spotted cattle and their crosses with red Holstein were selected for study between 1—2 months after calving. The examination of the health status of the mammary glands consisted of: the clinical examination of the udder, the California mastitis test (CMT) supplemented by the collection of mixed milk samples, and the laboratory examination of bacterial pathogens causing the mastitis. In addition to the mam­mary investigation, reproduction indicators such as the length of the insemination interval, the service period, the intercalving period and the insemination index were also analyzed. The results of this study indicated: a high incidence of mastitis (41.6 %), especially latent (21.2 %), subclinical (15.7 %) and clinical (4.7 %) forms were most common in the herd. The most frequently isolated bacteria from the infected milk samples were: coagulase negative staphylococci (54.1 %), S. aureus (16.9 %), Streptococcus spp. (15.0 %), A. viridans (7.5 %) and Ent. faecalis (6.4 %). According to the available literature, the optimum values of the intercalving period were 365—400 days, the insemination interval 55—80 days, the insemination index 1.2—2 and the service period 60—110 days. In comparison, our results showed increased, unsatisfactory reproductive values in the group of dairy cows with clinical mastitis. While in healthy cows as well as in groups of cows with latent and subclinical mastitis, all of the reproductive indicators were within the optimal levels.

If the inline PDF is not rendering correctly, you can download the PDF file here.

  • 1. Ashfaq K. Muhammad G. 2008: Pathogens Associated with Bovine and Bubaline Mastitis in Peri-Urban Areas of Faisalabad Pakistan. Pak. J. Life Soc. Sci. 6 86—88.

  • 2. Blowey R. Edmondson P. 2010: Mastitis Control in Dairy Herds. 2nd edn. FSC London 259 pp.

  • 3. Crowe M. A. Hostens M. Opsomer G. 2018: Reproductive management in dairy cows ‒ the future. Irish Veterinary Journal 71 1. DOI: 10.1186/s13620-017-0112-y.

  • 4. Edwards S. Rossi M. Henney G. 2019: The Anatomy and Physiology of Reproduction—Cattle. Available on:

  • 5. Fahey J. Morton J. M. Macmillan K. L. 2003: Associations between milk protein percentage and reproductive performance in Holstein-Friesian cows in seasonal calving dairy herds. In Proceedings of the Association for the Advancement of Animal Breeding and Genetics 15 68—71.

  • 6. Idriss S. H. Tančin V. Foltýs V. Kirchnerová K. Tančinová D. Vršková M. 2013: Relationship between mastitis causative pathogens and somatic cell count in milk of dairy cows (In Slovak). Potravinárstvo (Food Industry) 7 207—212. DOI: 10.5219/304.

  • 7. Jackson P. Cockeroft P. 2002: Clinical Examination of Farm Animals. Oxford UK Blackwell Science Ltd Wiley-Blackwell 54—166.

  • 8. Kivaria F. M. Noordhuizen J. P. 2007: A retrospective study of the aetiology and temporal distribution of bovine clinical mastitis in smallholder dairy herds in the Dar es Salaam region of Tanzania. Vet. J. 173 617—622. DOI: 10.1016/j.tvjl.2006.01.008.

  • 9. Kvapilík J. Pytloun J. 2002: The economic importance of fertility herd replacement and the production of dairy cows (In Slovak). Náš chov (Our Breeding) 2 22—26.

  • 10. Lange C. Brito M. A. Reis D. Marco A. M. Guimaraes A. Azevedo A. L. et al. 2015: Species-level identification of staphylococci isolated from bovine mastitis in Brazil using partial 16S rRNA sequencing. Vet. Microbiol. 176 3—4. DOI: 10.1016/j.vetmic.2015.01.024.

  • 11. Louda F. Vaněk D. Ježková A. Stádník L. Bjelka M. Bezdíček J. Pozdíšek J. 2008: The use of Biological Principles in Management of Female Reproduction in Cattle Breeding (In Czech). Publ. Institute for cattle breeding Rapotín 56 pp.

  • 12. Malinowski E. Lassa H. Kłossowska A. Smulski S. Mar kiewicz H. Kaczmarowski M. 2006: Etiological agents of dairy cows’ mastitis in western part of Poland. Pol. J. Vet. Sci. 9 191—194. DOI: 17020014.

  • 13. National Mastitis Council 2001: National Mastitis Council Recommended Mastitis Control Program.

  • 14. Ozenc E. Seker E. Baki Acar D. Birdane M. K. Darbaz I. Dogan N. 2011: The importance of staphylococci and threshold value of somatic cell count for diagnosis of subclinical mastitis in Parlak sheep at mid-lactation. Reprod. Dom. Anim. 46 970—974. DOI: 10.1111/j.1439-0531.2011.01768.x.

  • 15. Říha J. Hanuš O. 2001: Important aspects of detecting the reproduction of dairy cows (In Czech) Výzkum v chovu skotu (Research in Cattle Breeding) 3 12—17.

  • 16. Sztachańska M. Barański W. Janowski T. Pogorzelska J. Zduńezyk S. 2016: Prevalence and etiological agents of subclinical mastitis at the end of lactation in nine dairy herds in North-East Poland. Polish Journal of Veterinary Sciences 19 119—124. DOI: 10.1515/pjvs-2016-0015.

  • 17. Tamminga S. Luteijn P. A. Meijer R. G. M. 1997: Changes in composition and energy content of liveweight loss in dairy cows with time after parturition. Livest. Prod. Sci. 52 31—8. DOI: 10.1016/S0301-6226(97)00115-2.

  • 18. Thorberg B. M. Kühn I. Aarestrup F. M. Brändström B. Jonsson P. Danielsson­Tham M. L. 2006: Pheno- and genotyping of Staphylococcus epidermidis isolated from bovine milk and human skin. Vet. Microbiol. 115 163—172. DOI: 10.1016/j.vetmic.2006.01.013.

  • 19. Zadoks R. N. Middleton J. R. Mc Dougall S. Katholm J. Schukken Y. H. 2011: Molecular epidemiology of mastitis pathogens of dairy cattle and comparative relevance to humans. Journal of Mammary Gland Biology and Neoplasia 16 4 357—72. DOI: 10.1007/s10911-011-9236-y.

  • 20. Zajac P. Tomaska M. Murarova A. Capla J. Curlej J. 2012: Quality and safety of raw cow’s milk in Slovakia in 2011 (In Slovak). Potravinárstvo (Food Industry) 6 64—73. DOI: 10.5219/189.

  • 21. Zigo F. Elečko J. Vasiľ M. Farkašova Z. Zigová M. 2017: Occurence of mastitis in dairy cows situated in marginal parts of Slovakia. Folia Veterinaria 61 4 59—64. DOI: 10.1515/fv-2017-0040.

Journal information
All Time Past Year Past 30 Days
Abstract Views 0 0 0
Full Text Views 98 98 11
PDF Downloads 70 70 11