Selection of lamb size and early pregnancy in Soay sheep (Ovies aries)
M. J. Janeiro, J. M. Henshaw, J. M. Pemberton, J. G. Pilkington, M. B. Morrissey
The paper examines the trade-off between survival and size-dependent reproduction in Soay sheep, showing that larger lambs are more likely to become pregnant but this has a viability cost, reducing positive selection for larger size.
bioRxiv · Sep 16, 2020 · PreprintEvolutionary Biology