A common belief among practical breeders is that the male in multiparous species affects the number at a birth. This belief has even permeated scientific writing; many biologist apparently taking the supposed observation at face value, while others have sought biometrical proof in the various accumulations of the data regarding fertility inheritance found in biological records.
Proceedings of the Iowa Academy of Science
©1917 Iowa Academy of Science, Inc.
Wentworth, Edward N.
"The Influence of the Male on Litter Sizes,"
Proceedings of the Iowa Academy of Science, 24(1), 305-308.
Available at: https://scholarworks.uni.edu/pias/vol24/iss1/46