sire

1. V-T When a male animal, especially a horse, sires a young animal, he makes a female pregnant so that she gives birth to it. (尤指种马)生殖; 繁殖[技术]

Comet also sired the champion foal out of Spinway Harvest. “彗星”还跟“斯平威·哈维斯特”生下了这匹冠军小马驹。