The Seasonal Reproductive Condition of Female Norway (Brown) Rats in Baltimore, Maryland

The Reproduction of the Wild Brown Rat (<i>Rattus norvegicus</i> Erxleben)

J. S. Perry · Proceedings of the Zoological Society of London · 1945 · 54 citations

Life Sciences, Biology, Zoology +11

The Placental Scar as a Measure of Fertility in Rats

David E. Davis, John T. Emlen · Journal of Wildlife Management · 1948 · 36 citations

Life Sciences, Anatomy, Animal Sciences +10

The relation of age to fertility in the rat

Hélen Dean King · The Anatomical Record · 1916 · 34 citations · Full text

Social Sciences, Animal Sciences, Physiology +10

The Seasonal Reproductive Condition of Male Brown Rats in Baltimore, Maryland

David E. Davis, Octavia Hall · Physiological Zoology · 1948 · 20 citations

Life Sciences, Animal Sciences, Physiology +14

Determination of Reproductive Rates in Rat Populations by Examination of Carcasses

John T. Emlen, David E. Davis · Physiological Zoology · 1948 · 19 citations

Agriculture, Animal Sciences, Zoology +14