GFM Network News


Bison affected by MCF or malignant catarrhal fever will often develop a blue eye.

Bison and sheep need to keep their distance

Animal Health: Malignant catarrhal fever can quickly kill mature bison

One of the serious diseases we see in bison but much less frequently in cattle is MCF or Malignant catarrhal fever, usually resulting from some interaction between bison and sheep. The MCF family of diseases is seen in 33 species. Clinical signs are a high fever, lethargy and weakness, with ocular and nasal discharge leading […] Read more

Montreal’s veterinary college to study eastward expansion

Province backs feasibility study for Rimouski-based program

With a eye on expanding livestock veterinary services in the Lower St-Lawrence and Gaspesie, the Quebec government is backing a feasibility study to bring veterinary studies to the region. The province on Thursday announced assistance of $627,946 for 2019-20 for a feasibility study making a business case to offer the Universite de Montreal’s veterinary medicine […] Read more


Survey reveals improvement needed in parasite management

Animal Health with Roy Lewis: Internal and external pests need different treatments

Over the last few years there has been a lot written about internal worm control, timing of chemical treatment and parasite resistance. A group of researchers from the Western College of Veterinary Medicine in Saskatoon asked producers in 2015 about how they were using internal parasite treatments. The researchers drew some good conclusions from this […] Read more

Adapting management practices to changing times

More online services keep the beef industry operating

While COVID-19 has changed our daily routines, the internet has been able to keep us going. The agricultural community has tapped into it and fortunately, the supply chain for veterinary pharmaceuticals, feed and other services has been maintained pretty well. Internet sales for the purebred bulls and commercial cattle have pretty much saved the spring […] Read more


Dealing with diphtheria in calves

Several treatment options to get animals breathing again

Upper respiratory problems in cattle include diphtheria — the common name for infection/inflammation of the vocal folds of the larynx (voice box) at the back of the throat. Infection in this area is called necrotic laryngitis. Swelling from the inflammation can restrict the airway and make breathing difficult. In acute cases, the calf may die […] Read more

Universities can adapt to COVID-19, UCVM dean says

As administrators and faculty modify the system, dean calls for renewed public focus on food production and distribution

As COVID-19 pushes universities to change the way they teach, carry out research and conduct clinical work, the dean of veterinary medicine at the University of Calgary is confident that they can adapt. The academic system “from coast to coast is very intact,” Dr. Baljit Singh said. “We will continue to develop new technologies. We […] Read more


While calves can be given a preventative treatment against coccidiosis, cows can be given a coccidiostat such as rumensin or monensin in the feed before calving to reduce shedding of the infective eggs onto the ground.

Coccidiosis still a threat to be monitored

Animal Health with Roy Lewis: Important to control internal and external parasites

Coccidiosis and internal parasitism are two clinical syndromes I thought we had rid from the cattle sector. But although they just about disappeared, they are on the comeback trail. It is important to know why along with new strategies to keep them at bay. Clinical signs, diagnosis and treatment must be periodically reviewed. Direct communication […] Read more

There is no simple test to be able to identify what causes scours in calves.

Causes of calf scours can be difficult to identify

There is no simple test to be able to identify what causes scours in calves

Scours is the most common illness and cause of death in young calves. Some years are worse than others for scours outbreaks, and there are many causes including certain kinds of bacteria, viruses or protozoa. Whether calves get sick depends on many factors including exposure (contact with pathogens, either by coming in contact with a […] Read more


This diagram put together by Doug Colwell a research scientist at the Lethbridge Research Centre, shows the zones on an animal were lice are most likely to concentrate and be visible. Colwell is internationally recognized for his studies on the interactions between insect parasites and their animal hosts.

Late fall better for lice and parasite control in cattle

Animal Health with Roy Lewis: A two-pronged approach to deal with internal and external pests

There has been lots of talk and questions from producers and large-animal veterinarians regarding the strategy needed for more effective lice and internal parasite control. I the last couple of years there has been a large increase in the incidence of lice in Western Canada. Producers are searching to find ways to control lice that […] Read more

It’s unfortunate but not uncommon for older “banded” calves to succumb to tetanus.

Tips on managing clostridial disease in cattle

Animal Health: Proper timing of proper vaccines can prevent a costly wreck

There’s a great need for routine vaccinations to prevent the multiple ways cattle can get clostridial diseases such as scours, blackleg and tetanus. They’re relatively cheap and cost-effective. Here are some tips and comments. Vaccines offer good protection as long as one recognizes the need to booster-vaccinate. A single vaccination with most clostridial vaccines does […] Read more