Steroids in a typical swine farm and their release into the environment.

@article{Liu2012SteroidsIA,
  title={Steroids in a typical swine farm and their release into the environment.},
  author={Shan Liu and Guang-Guo Ying and Li-Jun Zhou and R Zhang and Zhi-Feng Chen and Hua-Jie Lai},
  journal={Water research},
  year={2012},
  volume={46 12},
  pages={3754-68}
}
The occurrence and fate of fourteen androgens, four estrogens, five glucocorticoids and five progestagens were investigated by rapid resolution liquid chromatography-tandem mass spectrometry (RRLC-MS/MS) in a typical swine farm with lagoon waste disposal systems, in south China. Nineteen, 22 and 8 of 28 steroids were detected at concentrations ranging from 2.2 ± 0.1 ng/g (androsta-1,4-diene-3,17-dione) to 14,400 ± 394 ng/g (progesterone) in the feces samples, from 6.1 ± 2.3 ng/L (17β-boldenone… CONTINUE READING

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