Two 42-d floor pen studies were conducted to compare broiler (Ross x Ross 308) performance and carcass measurements when broilers were fed diets containing grain from either second-generation lepidopteran insect-protected corn (MON 89034; study 1) or second-generation lepidopteran combined with second-generation corn rootworm-protected and glyphosate-tolerant corn (MON 89034 x MON 88017; study 2) with those of diets containing corn grain from the conventional control and 4 conventional corn hybrids. In both studies, broilers were fed starter diets (approximately 55%, wt/wt, corn grain) from d 0 to 21 and grower-finisher diets (approximately 59%, wt/wt, corn grain) from d 21 to 42. Each study used a randomized complete block design with 6 dietary treatments assigned randomly within 5 blocks of 12 pens each (6 male and 6 female) and 10 pens per treatment group (5 male and 5 female). In study 1 (MON 89034), no treatment differences were detected among dietary treatments for feed intake, weight gain, or any measured carcass parameter. A significant difference was noted for adjusted feed conversion between MON 89034 and control birds; however, no differences were detected in individual treatment comparisons between the MON 89034 and 3 of the 4 commercial corn diets. In study 2 (MON 89034 x MON 88017), no treatment differences were observed for feed intake and most carcass parameters. When significant treatment differences were detected, no differences were observed between MON 89034 x MON 88017, its control, and 2 or more of the commercial corn diets. In each study, comparison of all parameters measured showed no differences between birds fed the test diet and the population of birds fed the control and 4 commercial corn diets. In conclusion, the test diets were nutritionally equivalent to diets containing the control and corn grain from commercial hybrids.
Taylor, M, G Hartnell, M Nemeth, D Lucas, S Davis. "Comparison of broiler performance when fed diets containing grain from second-generation insect-protected and glyphosate-tolerant, conventional control or commercial reference corn." Poultry Science 86.9 (2007): 1972-1979. Web. 18 Feb. 2019.
Taylor, M., Hartnell, G., Nemeth, M., Lucas, D., & Davis, S. (2007). Comparison of broiler performance when fed diets containing grain from second-generation insect-protected and glyphosate-tolerant, conventional control or commercial reference corn. Poultry Science, 86(9), 1972-1979.
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