Estrous length, pregnancy rate, gestation and parturition lengths, litter size, and juvenile mortality in the domestic cat.

Margaret V Root Kustritz, S. D. Johnston, P. N. Olson

Research output: Contribution to journalArticlepeer-review

72 Scopus citations

Abstract

Reproductive performance in a feline research colony of 14 queens is reported. Average estrous length in 38 cycles was 5.8 +/- 3.3 days, with a range of two to 19 days. Estrous length in 23 bred cycles was not shorter (p greater than 0.05) than in 15 nonbred cycles, suggesting that induction of ovulation does not decrease estrous length. Pregnancy rate in 23 bred cycles was 73.9%. Gestation length averaged 66.9 +/- 2.9 days with a range of 62 to 71 days (n = 15). Average parturition length was 16.1 +/- 14.3 hours (n = 7), with a range of four to 42 hours. Litter size ranged from one to five kittens, with an average of 3.7 kittens per litter (n = 15). Percent mortality by eight weeks of age was 29.1%, with 4.7% stillbirths.

Original languageEnglish (US)
Pages (from-to)429-433
Number of pages5
JournalJournal of the American Animal Hospital Association
Volume31
Issue number5
DOIs
StatePublished - 1995

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