Dust particles in poultry houses can exacerbate the spread of highly pathogenic avian influenza (HPAI), with the virus on dust particles remaining infectious for up to 17 hours. By the birds’ activity, it can easily be aerosolized into the environment and, by the ventilation system’s airflow, can be transmitted within the barn and from barn to barn.
Dust particles in poultry houses can exacerbate the spread of highly pathogenic avian influenza (HPAI), with the virus on dust particles remaining infectious for up to 17 hours. By the birds’ activity, it can easily be aerosolized into the environment and, by the ventilation system’s airflow, can be transmitted within the barn and from barn to barn.
Calcium plays a key role in poultry feed conversion. In addition to bone density, muscle contraction and other critical functions, calcium affects the efficiency of turning food into weight gain. But in broilers, it’s not just the amount of calcium that matters. What really counts is bioavailability: how much of that nutrient the bird can actually use.
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Brian Jordan, PhD, associate professor at the University of Georgia joined T.J. Gaydos, DVM, and Rodrigo Gallardo, DVM, PhD, as panelists in a webinar from the AAAP. They discussed the challenges and promises of IBV serotyping with qPCR and sequencing.
Regular monitoring of broiler drinking-water consumption helps track flock health and performance. A sudden dip or downward trend can alert the producer to potentially serious health or production problems.
Infectious coryza, a bacterial upper respiratory disease, is on the rise in the US. Avibacterium paragallinarum, which is a primary pathogen of chickens causing coryza, spread from southern states to Pennsylvania in 2018, followed by Ohio, Iowa and other northern states.
A North Carolina State University study, led by graduate student Athena He-DeMontaron, compared the growth performance and mortalities of fast- and slow-growing strains of broilers reared in silvopastures, which provide a natural habitat with trees, shrubbery and vegetation and indoor facilities. How did these systems impact the different bird strains?
Once the market weight is achieved in turkeys, they are herded, loaded and transported to slaughter plants for stunning and processing, but these events of known as “live haul” can pose risks to animal welfare throughout the process.
Providing the proper stocking density to maximize broiler productivity, welfare and profitability is a balancing act. Because the birds grow dramatically in just a few weeks, space and environmental demands continuously evolve.
Reducing dietary calcium concentrations in broiler diets can increase calcium and phosphorus digestibility, but deviating from recommended levels can come with costs, according to the results of an Auburn University study.
In the last 2 decades, strides in poultry nutrition helped build profitability for poultry producers in the US and around the world. Average US feed-conversion rates (FCR) have improved by 23 points (0.23) since 2000, according to Michael Kidd, PhD, professor in the Department of Poultry Science at the University of Arkansas.
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