Antibiotic resistance

Antibiotic resistance remains a hot topic both in animal and human health. Increased awareness of the problem has brought some welcome changes in our use of antibiotics in animals. For instance, the use of antibiotics critically important for human medicine such as extended-spectrum cephalosporins (ESCs) has now been discontinued in poultry. This has resulted in […]

A new antibiotic resistance gene in Salmonella isolated from broiler chickens

Dr. Moussa Diarra’s laboratory previously described Salmonella enterica serovar Heidelberg isolates harboring a chromosomal gene cluster similar to the glutathione S-transferase gene, a putative fosA gene conferring resistance to fosfomycin. Here, we show that this new gene, named fosA7, confers resistance to fosfomycin. The introduction of fosA7 into the fosfomycin-susceptible Salmonella enterica serovar Enteritidis resulted […]

Farmers and consumers chicken out on antibiotics

Canadians are eating chicken at record levels but have a complicated relationship with the way our poultry is produced. Farmers are addressing the problem. By: Owen Roberts Toronto Metro News Consumers have a conflicted relationship with chicken produced in this country. On one hand, chicken is being devoured at record levels. In the past five […]

Probiotics against pathogens in poultry

bu Emmy Koeleman Editor: All About Feed & Dairy Global Researchers at the Ontario Veterinary College, University of Guelph, are studying probiotics as an alternative to traditional antimicrobials to combat pathogens in poultry. Over the last decade, Dr Shayan Sharif’s lab at the University of Guelph has been involved in developing probiotic formulations against Salmonella. […]

Dr. Sharif Lab Aims to Make Chickens Healthier to Improve Food Safety

The chicken eggs in Prof. Shayan Sharif’s lab look like ordinary eggs, but they’re not. Some of them have been vaccinated against diseases that can cause illness in humans and have cost the poultry industry hundreds of millions of dollars. Dr. Sharif is the leader of Poultry Health Research Network. “We are developing better ways […]

Cranberries may boost broiler chicken immunity (Dr. M Diarra laboratory)

Dr. Moussa S. Diarra is a research scientist at Agriculture and Agri-Food Canada’s (AAFC) Guelph Research and Development Centre. His research is focused on antibiotic resistance and alternatives to antibiotics as well as bacterial pathogenesis and the interactions between pathogens and their hosts. He is the leader of the poultry node of an AAFC’s national […]

On-farm sources of Campylobacter species in broiler chickens (Dr Agnes Agunos et al)

Agnes Agunos, Lisa Waddell L, David Legerand Eduardo Taboada Dr Agnes Agunos (center in picture) is a Scientist working at the Public Health Agnency of Canada. She is engaged in antimicrobial drug resistance research programs and below is the highlight of one of the project’s findings. In Canada, Campylobacter remains one of the leading causes […]

Understanding and controlling Necrotic Enteritis in broiler chickens (Dr. J. Prescott laboratory)

Avian necrotic enteritis (NE) caused by Clostridium perfringens is a major global problem in broiler chicken production. Losses through subclinical disease, through clinical disease and mortality, and through the cost of prevention by long-term use of antibiotics have been estimated to cost the global chicken industry 2-6 billion dollars. The shift to antibiotic-, including coccidiostat-, […]

Towards control of Necrotic Enteritis in chickens (Dr. J. Gong laboratory)

Necrotic enteritis (NE) is caused by Clostridium perfringens bacteria. The estimated loss from NE in 2015 is approximately US$6 billion worldwide and there is an urgent need to control NE disease. Dr. Joshua Gong, a Research Scientist with Agriculture & Agri-Food Canada in Guelph and PHRN member, has taken multiple approaches to study the disease […]

Spectrum lighting for layers: translating basic research into practical applications (Dr. Bedecarrats Lab)

Birds possess retinal photoreceptors responsible for vision, and non-visual photoreceptors (extra-retinal) responsible for detecting photoperiod and synchronizing their physiology to the environment. These photoreceptors are located in three main organs: the retina of the eye, the pineal gland and the hypothalamus. As the majority of commercial poultry operations rely on controlled environments in which artificial […]

Coccidiosis: Management and Control (Dr. J. Barta laboratory)

Dr. John Barta’s laboratory at the University of Guelph is actively engaged in Coccidiosis research. Below are the links highlighting important research projects that help educate and understand about this economically important poultry disease.       Managing coccidiosis in poultry flock Cost of Coccidiosis Fostering proactive coccidiosis control management in the poultry industry…   […]

Keel Bone Damage: Research to address the issue (Dr. A. Harlander Lab)

Within the laying hen industry, there are various animal welfare concerns associated with the contemporary production systems used for these egg-layers. Keel bone damage (KBD) is one such critical issue that extends to all housing systems, genetic lines, and management styles whereby pain, compromised welfare, and reduced productivity are likely outcomes. It is assumed that […]

Bionanotechnology: Solutions for Poultry Health and Food Safety (Dr. S. Neethirajan Lab)

Dr. Suresh Neethirajan, a University of Guelph researcher and director of the BioNanoLab focuses his research on developing tools and techniques for poultry health and food safety applications through the fundamental and applied understanding of physico-chemical properties of bacterial biofilms and development of bio-sensing techniques. Suresh group’s pioneering research on investigation of pathogenic bacterial biofilms […]