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Article published the September 21, 2022
I. INTRODUCTIONSpotty Liver Disease (SLD) is characterised by increased mortality, particularly around the time of peak egg production, the occurrence of multiple grey/white lesions in the liver, and reduction in egg output. It is caused by Campylobacter hepaticus (Van et al., 2016), which responds to therapeutic antibiotics, although resistance has been reported (Grimes and Reece, 2011). In this ...
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Article published the February 24, 2022
I. INTRODUCTIONOregano essential oil contains many compounds, of which carvacrol, thymol and their precursors are the major components, accounting for approximately 80% of the contents. Carvacrol and thymol have been shown to actively disrupt the cell membranes of bacteria leading to cell death, promoting the use of oregano as a phytobiotic (Rao et al., 2010). Phytoadditives such as oregano are be ...
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Article published the January 4, 2022
I. INTRODUCTIONThroughout the world, poultry are a major and growing source of high-quality protein, as they outperform all other terrestrial meat production systems in water, feed, carbon, and land use efficiency. A challenge for intensive production systems has been the potential to introduce high pathogen loads and stresses on the animals. Such challenges have traditionally been managed with th ...
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This member gave a presentation on July 20, 2021
At the following event:
Virtual 2021 PSA Annual Meeting
Article published the May 18, 2021
I. INTRODUCTIONCampylobacter hepaticus currently causes significant economic losses to the poultry industry, as it is the cause of spotty liver disease (SLD) in chickens (Van et al., 2016, 2017a). The clinical manifestations of SLD include the formation of gray/white lesions in the liver, an increase in mortality rate in a flock, and reduction in egg production. It has been sporadically reported o ...
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Article published the March 22, 2021
I. INTRODUCTION The recent major drop in the cost of DNA sequencing, combined with advances in the annotation of 16S rRNA gene microbial databases and analysis tools, have all contributed to the “golden age of microbial ecology” (Oakley et al., 2014). Poultry researchers have leveraged and applied these advances to define approaches that may be taken to manipulate microbiota to improv ...
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News published on June 17, 2020
We’re glad to announce the 7th Conference on Poultry Intestinal Health which is to be held in the beautiful colonial city of Cartagena, at the Caribbean coast of Colombia from April 21st to 23rd, 2021*. Keynote presentations by internationally renowned speakers will provide the latest scientific information on this subject and are the backbone for a diverse program in which there is plenty ...
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Article published the September 17, 2019
Pore-forming toxins (PFTs) are a diverse group of cytolytic proteins that are produced by many different organisms (1, 2). Bacterial PFTs are important virulence factors (1) and in general are produced as soluble precursors that bind to the host cell membrane and assemble as oligomers that subsequently form transmembrane pores (3, 4).PFTs can be divided into two classes depending on whether the po ...
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Article published the September 2, 2019
BackgroundClostridium perfringens is a bacterial pathogen that causes a wide variety of diseases ranging from gas gangrene and food poisoning in humans to necrotic enteritis in chickens [1]. Aside from host factors, the type and severity of disease is dependent on the production of a set of toxins and extracellular enzymes [1]. Most C. perfringens toxins are not produced by all strains; their stru ...
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Article published the August 5, 2019
Chicken meat production is more sustainable and has lower environmental impact than porcine and bovine meat production. Chicken production uses less feed consumed for each kilogram of meat produced and uses less land and water for both farming and feed production (Flachowsky et al., 2017). Moreover, the broiler production industry has, for many years, continuously improved animal performance, refl ...
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Location:Bundoora, Victoria, Australia
Profile: Academic / scientific
Occupation: Professor of Biotechnology
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