Figure 4. Lifespan of control and ractopamine-treated flies. Cumulative survival distributions by administration of 10 ppb ractopamine. Flies treated with ractopamine showed significant life-span reduction compared with control group (n ≅ 150 for each group, P < 0.05 from log-rank test)

From

Potential Genitourinary Toxicity and Lithogenic Effect of Ractopamine

Wen-Chi Chen, Yu-Chi Wang, Jui-Lung Shen, Huey-Yi Chen, Chiao-Hui Chang, Fuu-Jen Tsai, Wei-Yong Lin, Yung-Hsiang Chen

Journal of Food and Nutrition Research. 2015, 3(10), 670-674 doi:10.12691/jfnr-3-10-9