Íslenskar landbúnaðarrannsóknir - 01.03.1977, Page 74

72 ÍSLENZKAR LANDBÚNAÐARRANNSÓKNIR
SUMMARY
Inheritance of temperament score in Icelandic
riding ponies.
Stefán Aðalsteinsson
Agricultural Research Institute,
Keldnaholti, Reykjavík.
Data on 77 dam-progeny pairs, where all
the progeny were sired by the same stallion,
HEIMILDIR — REFERENCES
Arnason, Þorvaldur, 1976. Studies on traits in the
Icelandic riding ponies. (Unpublished).
Bjarnason, Gunnar, 1968. Ættbók og saga íslenska
hestsins á 20. öld. Bókaforlag Odds Björnssonar,
Akureyri.
have been used to estimate the heritability
of willingness to run as measured by a
temperament score in Icelandic riding ponies.
Three classes of willingness to run were
recorded (arbitrary numerical values in
brackets) i. e. poor (0), moderate (1) and
outstanding (2).
The heritability of the trait ± s. e. (h2)
was found to be 0,8 5 ±0,11.
Cunningham, E. P., 1975. Genetic studies in horse
populations. International Symposium on Gene-
tic and Horse Breeding Royal Dublin Society,
17, 18 Sept. 1975.