@article{dobson_routly_smith_2020,  title={Understanding the trade-off between the environment and fertility in cows and ewes},  volume={17},  ISSN={1984-3143},  url={https://doi.org/10.1590/1984-3143-AR2020-0017},  DOI={10.1590/1984-3143-AR2020-0017},  number={3},  journal={Animal Reproduction},  publisher={Colégio Brasileiro de Reprodução Animal},  author={Dobson, Hilary and Routly, Jean Elsie and Smith, Robert Frank},  year={2020},  pages={e20200017} }