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General Information

Document type
  • Peer-reviewed journal article
GE organism
  • soybean
GE trait
  • quality
Country
  • USA

Results

Equivalence
  • no effect
Safety for consumption
  • no effect

Comparison of broiler performance when fed diets containing event DP-3O5423-1, nontransgenic near-isoline control, or commercial reference soybean meal, hulls, and oil Open Access

McNaughton, J; Roberts, M; Smith, B; Rice, D; Hinds, M; Sanders, C; Layton, R; Lamb, I; Delaney, B
Poultry Science. 2008 December. 87(12):2549-2561

Link to full text (open access, freely available)

PMID: 19038811 DOI: 10.3382/ps.2007-00467 ISSN: 0032-5791

Abstract

DP-3Ø5423-1 (305423) is a genetically modified soybean that was produced by biolistic insertion of the gm-fad2-1 gene fragment and gm-hra genes into the germline of soybean seeds. Expression of gm-fad2-1 results in greater concentrations of oleic acid (18:1) by suppressing expression of the endogenous FAD2-1 gene, which encodes an n-6 fatty acid desaturase enzyme that catalyzes desaturation of 18:1 to linoleic acid (18:2). The GM-HRA protein expressed by the gm-hra gene is a modified version of the soybean acetolactate synthase enzyme that is used as a selectable marker during transformation. A 42-d feeding trial was conducted with broiler chickens to compare the nutritional performance of 305423 soybeans with nontransgenic soybeans. Diets were prepared using processed fractions (meal, hulls, and oil) from 305423 soybean plants. For comparison, additional diets were produced with soybean fractions obtained from a nontransgenic near-isoline (control) and nontransgenic commercial Pioneer brand varieties (93B86, 93B15, and 93M40). Diets were fed to Ross x Cobb broilers (n = 120/group, 50% male and 50% female) in 3 phases. Starter, grower, and finisher diets contained 26.5, 23, and 21.5% soybean meal, respectively. Soybean hulls and oil were added at 1.0 and 0.5%, respectively, across all diets in each phase. No statistically significant differences were observed in growth performance (BW, mortality, feed efficiency), organ yield (liver and kidney), or carcass yield (breast, thigh, leg, wing, and abdominal fat) variables between broilers consuming diets prepared with isolated fractions from 305423 or near-isoline control soybean. Additionally, all performance and carcass variables from control and 305423 soybean treatment groups fell within tolerance intervals constructed for each response variable using data from broilers fed diets prepared with reference soybean fractions. Based on the results from this study, it was concluded that 305423 soybeans were nutritionally equivalent to non-transgenic control soybeans with a comparable genetic background.

Keywords

soybean, high oleic, broiler performance, carcass yield

Funding

Funding source
  • DuPont Pioneer
Funding country
  • United States
Funding type
  • industry: same

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Cite this study

MLA

McNaughton, J, M Roberts, B Smith, D Rice, M Hinds, C Sanders, R Layton, I Lamb, B Delaney. "Comparison of broiler performance when fed diets containing event DP-3O5423-1, nontransgenic near-isoline control, or commercial reference soybean meal, hulls, and oil." Poultry Science 87.12 (2008): 2549-2561. Web. 19 Nov. 2017.

APA

McNaughton, J., Roberts, M., Smith, B., Rice, D., Hinds, M., Sanders, C., Layton, R., Lamb, I., & Delaney, B. (2008). Comparison of broiler performance when fed diets containing event DP-3O5423-1, nontransgenic near-isoline control, or commercial reference soybean meal, hulls, and oil. Poultry Science, 87(12), 2549-2561. doi:10.3382/ps.2007-00467

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