Blanchard TL, Brinsko SP, Varner DD, Love CC, O’Meara A, Ramsey J. Relationships between stallion age, book size, number of matings (covers), breeding soundness examination findings, and fertility parameters in 15 Thoroughbred stallions (34 stallion years). CT [Internet]. 2010Apr.1 [cited 2025Feb.21];2(2):91-7. Available from: https://clinicaltheriogenology.net/index.php/CT/article/view/11334