Are you a Dairy Farmer?

Did any of your cattle experience salmonellosis in the current dairy season? We want to hear about you!
Please take our short online survey below:

Farmer Survey

Are you a Veterinarian?

If you have suspected or diagnosed salmonellosis on a dairy farm this dairy season, we want to hear about it!
Please take our short online survey below:

Vet Survey

About the salmonella study

Who are we and what do we do?

The EpiCentre (Massey University) studies infectious diseases of livestock. In collaboration with dairy industry stakeholders, we are conducting a study during the 2021-22 dairy season to identify risk factors for salmonella outbreaks on dairy farms.

Are you a dairy farmer in New Zealand ?

You can help us, whether or not you recently experienced Salmonellosis on your farm.  Pease take part in the study by clicking on this link . This will take you to a short online survey, followed up by a phone interview.

We greatly value your contribution to the success of this research.

Why is this research important?

Information from this study will help farmers to manage the risk of salmonellosis on their farm, thus protecting animal welfare and preventing the significant production impacts and costs associated with salmonella outbreaks.

A better understanding of Salmonella in dairy cattle will lead to better prevention and control of outbreak, and a better outcome for public health in New Zealand by protecting farm workers, their families and the general public from food-borne salmonellosis.

Resources for the salmonella study  

File  File Description
Farmers_Flyer_VetNewsletter.docx (313 KB) Study general information for farmers, to include in veterinary practice newsletter (editable Word format)
newsletter_farmers.pdf (740 KB) Study general information for farmers, A4 one-pager flyer (PDF format)
newsletter_vet1.pdf (425 KB) Newsletter for veterinarians, A4 one-pager flyer (PDF format)

Farmer : Enroll your farm into the study : click here

Vets : Enroll your farmer into the study : click here

Salmonella in New Zealand

  • Salmonella causes outbreaks of scouring and mortality in livestock, particularly dairy cattle.
  • The effects of Salmonella on-farm can be devastating and pose a serious risk to the health, productivity and welfare of affected animals.
  • Salmonella is also a leading cause of food poisoning in humans in New Zealand.
  • The prevalence of Salmonella outbreaks in NZ dairy farms increased in the past 5 years, and new serotypes emerged and spread around the country.
  • The same trend is observed in food-born salmonellosis in humans.

Ongoing national surveillance of veterinary laboratory diagnostics in the past five years shows the emergence and rapid spread of Salmonella serotypes Bovismorbificans, Give and Brandenburg in the cattle population of NZ (Figure 1).

Figure 1: Laboratory confirmed cases of Salmonella in cattle since 2010 (source: MPI)

Foodborne disease surveillance conducted by ESR shows a mirroring trend in the number of diagnosed human cases of Salmonella bovismorbificans (Figure 2).

Figure 2: notified human cases of Salmonella Bovismorbificans since 2007 (source: MPI/ESR)

  Contact Details

e-mail :

Web :

Address : 

Massey University
Private Bag 11-222
Palmerston North 4442
New Zealand.  

Project Team

Dr Nelly Marquetoux  

Dr Chris Compton 

Simon Verschaffelt

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