Íslenskar landbúnaðarrannsóknir - 01.03.1979, Side 85

TRAITS IN ICEL. TOELTER HORSES I. 83
TABLE 1. Heritability estimates of several performance traits.
No. No.
Author Breed Sires Oífspring Estimated character h2 (±S.E.)
Varo (1965-69) Finnish ca. 6000 Walking speed 0.41-0.60
,,coldblooded“ Point evaluation of walking 0.40
horse speed
Points for total evaluation of0.41
movements
Points for character 0.23
Groot, Politiek, Dutch Endurance in draught 0.29
Vos (1969) ,,warmblooded“ Way of straining 0.26
horse Way of pulling 0.23
Total performance 0.23
Politiek, Vos Behaviour of horse at 0.15
(1969) harnessing
Behaviour of horse at work : 0.17
Character 0.12
Dusek (1970) Trakehnen horse 35 591 Swing 0.41
Rythm 0.28
Dusek (1971) Hanover horse 169 Length of pace (in sulky) 0.61
Length of trotting pace (in
sulky) 0.63
Length of galoping jump
(under rider) 0.67
Length of pace in draught 0.34
Time of testing of pace (in 0.09
sulky) 0.09
Time of testing of trot 0.10
Time of testing of gallop
(hunting gallop) 0.69
Bade et al, ■ (1975) Hanover horse 153 373 Trotting time -0.07 (±0.11)
111 260 Pace length 0.31 (±0.20)
153 373 Pace frequency in sulky 0.72 (±0.20)
153 373 Pace length in sulky 0.22 (±0.14)
153 373 Points for style when
galloping 0.55 (±0.18)
61 126 Points for style when
jumping 0.71 (±0.11).
153 373 Time at hunting gallop 0.71 (±0.13)
153 373 Number of strides when
galloping over 100 m 0.45 (±0.17)
153 373 Training grade 0.62 (±0.18)