Technical publications and research by Intellecy Inc.
Joost Boerhout — April 2024, 7 pages
A study of Kooikerhondje reproductive traits based on data collected in the online ZooEasy database finds that average litter size has increased from 2.5 pups/litter in the period 1955–1965 to 5.2 in the period 2015–2020. The correlation factor between coefficient of inbreeding (6 generations) and average litter size was −0.85. Average litter size heritability was found to be 8% for the dam, 6% for the sire.
Keywords: Kooiker dog, Litter size, Heritability, Fertility, Parity