Effects of feeding Bt MON810 maize to sows during first gestation and lactation on maternal and offspring health indicators

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Abstract

A total of twenty-four sows and their offspring were used in a 20-week study to investigate the effects of feeding GM maize on maternal and offspring health. Sows were fed diets containing GM or non-GM maize from service to the end of lactation. GM maize-fed sows were heavier on day 56 of gestation (P< 0.05). Offspring from sows fed GM maize tended to be lighter at weaning (P= 0.08). Sows fed GM maize tended to have decreased serum total protein (P= 0.08), and increased serum creatinine (P< 0.05) and γ-glutamyltransferase activity (P= 0.07) on day 28 of lactation. Serum urea tended to be decreased on day 110 of gestation in GM maize-fed sows (P= 0.10) and in offspring at birth (P= 0.08). Both platelet count (P= 0.07) and mean cell Hb concentration (MCHC; P= 0.05) were decreased on day 110 of gestation in GM maize-fed sows; however, MCHC tended to be increased in offspring at birth (P= 0.08). There was a minimal effect of feeding GM maize to sows during gestation and lactation on maternal and offspring serum biochemistry and haematology at birth and body weight at weaning. Copyright © The Authors 2012.

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Walsh, M. C., Buzoianu, S. G., Gardiner, G. E., Rea, M. C., O’Donovan, O., Ross, R. P., & Lawlor, P. G. (2013). Effects of feeding Bt MON810 maize to sows during first gestation and lactation on maternal and offspring health indicators. British Journal of Nutrition, 109(5), 873–881. https://doi.org/10.1017/S0007114512002607

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