Johne's disease - Articles

Preventing and managing Johne’s disease in your herd

While often viewed as a dairy industry problem, Johne’s disease can debilitate individual beef cattle operations, particularly those herds that are introduced to new cattle on a regular basis.

January 3, 2024

John O'Meara

Johne’s disease is often thought of as a dairy problem. In fact, beef producers also need to be vigilant to prevent the spread of this destructive, chronic disease.

Paratuberculosis: Time to get after it

A costly disease to the Canadian dairy industry can be controlled through diligent testing and management.

October 17, 2023

Elouise Molgat

Through diligent testing and careful herd management, including new cow herd introduction and willingness to cull, Johne's can be reduced herd by herd.

What’s the cost of Johne’s? It could be more than you think

September 28, 2023

Johne’s disease occurs when cows are infected with Mycobacterium avium spp. Paratuberculosis (MAP). An estimated 42% of herds in Canada have at least one infected cow. Studies show that in herds with at least one positive cow, roughly 10% of cows are infected.

USDA scientists develop a promising new vaccine for Johne’s disease

September 16, 2021

Judy Stabel

Do you have Johne’s disease in your dairy or beef cattle herd?

Research review: Are some cows genetically susceptible to Johne’s disease?

June 2, 2021

A research project led by Nathalie Bissonnette at Agriculture and Agri-Food Canada (AAFC) – Sherbrooke and Kapil Tahlan at Memorial University in Newfoundland is investigating genetic markers in dairy animals that may be associated to Johne’s disease susceptibility or resistance.

What we know about any linkages between MAP and Crohn’s disease in people

November 20, 2020

Gabriele Maier

Recently, I came across an article in a local newspaper that raised concerns about cattle as a source of zoonotic pathogens, in particular with regard to Mycobacterium avium subspecies paratuberculosis (MAP) – the causative agent of Johne’s disease in cattle and other ruminants.

Be a DIVA: Exploring a new strategy to prevent Johne’s disease

September 9, 2020

Cari Reynolds

The economic impact of Johne’s disease on the dairy industry rivals that of clinical mastitis. In the U.S., well over $250 million each year is lost due to reduced milk production, premature culling and reduced reproductive efficiency.

Research Review: Key findings from the industrial research chair in infectious diseases of dairy cattle

July 31, 2019

Results from a five-year NSERC industrial research chair on infectious diseases of dairy cattle led by Dr. Herman Barkema of the University of Calgary will help farmers improve the management of dairy animal health to prevent, manage and treat dairy cattle for Johne’s disease (JD) and mastitis for a more profitable and sustainable dairy sector.

Johne’s disease control takes more than a few years

August 31, 2018

Karen Lee

Since the Canadian Johne’s Disease Initiative (CJDI) began in July 2009, several provincial programs have been coordinated, and a lot of dairy producers participated in the start of the control efforts.

5 things every beef producer should know about Johne’s disease

October 24, 2017

Amanda Kreuder

As a seedstock producer and a cattle veterinarian, having a healthy and productive herd is a top priority for my herd and my clients’ herds. However, one of the most concerning diseases I am diagnosing more and more frequently in beef cattle is Johne’s disease.

Articles Tagged with ''Johne's disease''

Preventing and managing Johne’s disease in your herd

Paratuberculosis: Time to get after it

What’s the cost of Johne’s? It could be more than you think

USDA scientists develop a promising new vaccine for Johne’s disease

Research review: Are some cows genetically susceptible to Johne’s disease?

What we know about any linkages between MAP and Crohn’s disease in people

Be a DIVA: Exploring a new strategy to prevent Johne’s disease

Research Review: Key findings from the industrial research chair in infectious diseases of dairy cattle

Johne’s disease control takes more than a few years

5 things every beef producer should know about Johne’s disease

The roots of tradition

Filling the labor gap with H-2A

Noise on the farm

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