Reproductive output of old males is limited by seminal fluid, not sperm number

Sanghvi, K, Shandilya, S, Brown, A, Todorova, B, Jahn, M, Gascoigne, S J L, Camilleri, T-L, Pizzari, T & Sepil, I 2025, 'Reproductive output of old males is limited by seminal fluid, not sperm number', Evolution Letters, vol. 9, no. 2, pp. 282-291. https://doi.org/10.1093/evlett/qrae071