Jacobs, CM; Utterback, PL; Parsons, CM; Rice, D; Smith, B; Hinds, M; Liebergesell, M; Sauber, T
Poultry Science. 2008 March. 87(3):475-479
Link to full text (open access, freely available)
PMID: 18281573 DOI: 10.3382/ps.2007-00217 ISSN: 0032-5791, 1525-3171
An experiment using 216 Hy-Line W-36 pullets was conducted to evaluate transgenic maize grain containingthe cry34Ab1and cry35Ab1genes froma Bacil- lus thuringiensis (Bt) strain and the phosphinothricin ace- tyltransferase (pat) gene from Streptomyces viridochromo- genes. Expression of the cry34Ab1 and cry35Ab1 genes confers resistance to corn rootworms, and the pat gene conferstolerancetoherbicidescontainingglufosinate-am-monium. Pullets (20 wk of age) were placed in cage lots (3 hens/cage, 2 cages/lot) and were randomly assigned to 1 of 3 corn-soybean meal dietary treatments (12 lots/ treatment) formulated with the following maize grains: near-isogenic control (control), conventional maize, and transgenic test corn line 59122 containing event DAS- 59122-7. Differences between 59122 and control group means were evaluated with statistical significance at P < 0.05. Body weight and gain, egg production, egg mass, and feed efficiency for hens fed the 59122 corn were not significantly different from the respective values for hens fed diets formulated with control maize grain. Egg com- ponent weights, Haugh unit measures, and egg weight class distribution were similar regardless of the corn source. This research indicates that performance of hens fed diets containing 59122 maize grain, as measured by egg production and egg quality, was similar to that of hens fed diets formulated with near-isogenic corn grain.
Jacobs, CM, PL Utterback, CM Parsons, D Rice, B Smith, M Hinds, M Liebergesell, T Sauber. "Performance of laying hens fed diets containing DAS-59122-7 maize grain compared with diets containing nontransgenic maize grain." Poultry Science 87.3 (2008): 475-479. Web. 19 Jan. 2020.
Jacobs, CM., Utterback, PL., Parsons, CM., Rice, D., Smith, B., Hinds, M., Liebergesell, M., & Sauber, T. (2008). Performance of laying hens fed diets containing DAS-59122-7 maize grain compared with diets containing nontransgenic maize grain. Poultry Science, 87(3), 475-479. doi:10.3382/ps.2007-00217
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