Abstract
The Old Kladruber horse is an important Czech genetic resource. The objectives of this paper were estimate coefficients heritability and determinate genetic trends for evaluated traits. The data set for evaluation was composed of edited records of performance test for stallion and mare in years 1995 - 2014. Each horse had three to five performance evaluations for the suite of traits. Together eight evaluated traits was assessed: rideability, overall Impression, walk, trot, Canter and driveability of carriage - dressage test and obstacle driving test. The statistical model included fixed effects for sex, age, year*place, variety, stud, classifier, permanent environment and additive genetic effect. The heritability estimates were in range from 0.06 to 0.23. Genetic trends were constant over the analysed period, annual genetic change were close to zero in all traits except type and gender expression and trot
Highlights
Old Kladruber horse is an important Czech genetic resource and origin of this breed dates back to 400 years ago
Mean scores for the traits were in the range from 6.8 to 7.8 and the standard deviations were in the range from 0.8 to 1.1
To the model equation were gradually included the effects of age horses, sex, year*place of performance test, variety and stud
Summary
Old Kladruber horse is an important Czech genetic resource and origin of this breed dates back to 400 years ago. Horses was bred especially for ceremonial purposes and the Baroque type of the breed has been conserved until now. In recent years horses are selected mostly on type of galakarossier and the primary goal of the breeding program is conservation of the gene pool with respect to conformation, gaits and sport performance, especially for carriage driving and dressage. Organized selection programs has resulted in positive responses in several horse breeds. With increasing performance in equestrian disciplines is mostly related increasing genetic trend. Positive genetic trend has been achieved in Swedisch warmblood horses (Viklund et al, 2011), Selle Francais (Dubois and Ricard, 2007), British sport horses (Steward et al, 2010) or in Lusitano horses (Vincente et al, 2014)
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