Interpretive Summaries

Every month, PSA takes a popular paper from Poultry Science or The Journal of Applied Poultry Research and creates an interpretive summary of that paper. These summaries provide a condensed version of the study, the results, and how the findings can be applied to the industry. Each summary links to the published paper in Open Access for further reading.

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The Latest Interpretive Summaries

  • Increasing Nutrient Density Did Not Restore Growth Performance in Broilers Fed High-Canola Diets Deepak Subedi, The University of Sydney Soybean meal (SBM) is the main protein source in poultry diets, but reliance on imports and rising costs have prompted interest in alternatives like canola meal (CM) and canola seed (CS). Australia produces large volumes of canola, making it an attractive option for sustainable poultry production. However, high canola inclusion often reduces feed intake Read This Summary

  • Canola Products in Broiler Diets: Balancing Cost and Performance Deepak Subedi, The University of Sydney Soybean meal (SBM) is the primary protein source in poultry diets, but its cost and availability in some regions have driven interest in alternatives. Canola meal (CM) and canola seed (CS), abundant in Australia, offer potential as substitutes for SBM. However, concerns about antinutritional factors and reduced energy density have limited their inclusion. Researchers at the University Read This Summary

  • Interpretive Summary: More active broilers may have improved FCR, decreased mortality Does providing welfare enrichments, which stimulate bird activity, affect feed conversion ratio (FCR) in broiler chickens? Since activity stimulates birds to eat more and feed is the largest single cost in broiler production, questions have been raised about how these enrichments may affect production efficiency, such as FCR, which in turn may limit the adoption of welfare improvements. However, an increasing Read This Summary

  • By Tanmaie Kalapala, University of Arkansas Researchers from University of Connecticut in U.S. conducted this research study to investigate the efficacy of Trans-Cinnamaldehyde Nano Emulsion (TCNE) as a natural antimicrobial for controlling biofilms formed by Salmonella Enteritidis on common food processing plants and farm-contact surfaces. Salmonella Enteritidis is one of the leading causes of foodborne illnesses that are commonly associated with consumption or handling poultry meats and/or Read This Summary

  • By Ashen Epa Arachchi, University of Arkansas Modern broiler production faces the dual challenge of sustaining high growth efficiency while reducing reliance on antibiotic growth promoters. Although genetic selection has accelerated growth rates, it has also increased susceptibility to gut dysfunction, skeletal weakness, and welfare concerns. Consequently, feed additives that enhance intestinal integrity and skeletal development, without negatively affecting performance, are of growing importance Read This Summary

  • “Turkeys will pick up the oocysts from the feces in the bedding,” Pollock said. “Between day 0 and day 60, we want to have a coccidiostat or a vaccine. After that, they stop being susceptible. Coccidiosis parasites endanger turkey gut health by penetrating and replicating in GI epithelial tissue, where one of five Eimeria species — E. meleagrimitis , E. adenoids , E. caecae , E. gallopavonis , and E. meleagridis — can inflict further epithelial damage in different GI tract Read This Summary