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Asian-Australas J Anim Sci > Accepted Articles
DOI: https://doi.org/10.5713/ajas.18.0723    [Accepted] Published online January 2, 2019.
Non-GMO and GMO (maize-soybean) diet effects on growth performance, nutrient digestibility, carcass weight and meat quality of broiler chicken
song zhang1, In Ho Kim1,*
Department of Animal Resource & Science, Dankook University, Cheonan, Choongnam, 330-714, Korea
Correspondence:  In Ho Kim,Email: inhokim@dankook.ac.kr
Received: 25 September 2018   • Revised: 1 November 2018   • Accepted: 6 December 2018
Abstract
Objectives: This study was conducted to compare growth performance, nutrient digestibility and meat quality of broilers fed a GMO diet or a non-GMO diet.

Methods

A total of 840 broilers with an initial BW of 43.03g per chick were randomly allocated into 1 of the following 2 dietary treatments lasted for 32 days (15 broilers per pen with 28 replicates per treatment): (I) Trt 1: GMO maize-soybean meal based Diet; (II) Trt 2: Non-GMO maize soybean meal based Diet. Both diets were maize-soybean meal diets. GMO qualitative analysis, proximate analysis and amino acid analysis of the feed ingredient samples were carried out. Diets were formulated based on a nutrient matrix derived from analysis results. Growth performance was measured on day 0, 7, 17 and 32. And all other response criteria were measured on day 32.

Results

The analysis results showed that the total Lys, Met, Thr of non-GMO grains were lower than that of GMO grains, the protein content of GMO soybean meal was higher than that of non-GMO soybean meal. Feed intake and FCR were greater (P < 0.05) in broilers provided with non-GMO diet than that of the GMO group from d 17 to 32. A decrease in FCR was observed in birds fed the GMO diet through the entire experiment (P<0.05). No significant impacts on blood profile, meat quality and nutrient digestibility were found in response to dietary treatments throughout the experimental period (P > 0.05).
Conclusion
These results indicated that non-GMO diet showed a negative effect on growth performance but nutrient digestibility, blood profile, carcass weight and meat quality were not affected by non-GMO diets.
Keywords: Non-GMO Diet; GMO Diet; Growth Performance; Nutrient Digestibility; Broiler


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