Analysis of measurements of Latvian Warmblood and Latvian Heavy Warmblood broodmares in 25 years period (1988−2013) | Latvijas šķirnes sporta un braucamā tipa vaislas ķēvju izmēru analīze 25 gadu periodā (1988−2013)
2018
Veidemane, A., Latvia Univ. of Life Sciences and Technologies, Jelgava (Latvia). Inst. of Agrobiotechnology | Jonkus, D., Latvia Univ. of Life Sciences and Technologies, Jelgava (Latvia). Inst. of Agrobiotechnology
The aim of the study was to analyse average measurements of Latvian Warmblood (LWB) and Latvian Heavy Warmblood (LHWB) breeding mares born 1988-2013 to display breed development over this period in time. The data included measurements of height at withers, chest circumference and cannon bone circumference of 394 breeding mares (277 LWB, 177 LHWB) at least 4 years old in moment of measuring, born 1988, 1993, 1998, 2003, 2008, 2013. From direct measurements two indices were calculated – boniness and massiveness index – to estimate changes in type over time. There were no significant changes in height at withers for LWB or LHWB (average for LWB 166.9±4.1 cm, LHWB 166.1±4.3 cm). While in LWHB chest circumference and cannon bone circumference have not changed since 1988, in LWB they have reduced gradually, chest circumference from 201.0±7.8 cm and 22.0±1.0 cm in 1988 to 198.3±6.8 cm and 21.4±0.7 cm respectively in 2008. It results in descent of skeletal index in LWB mares – from 13.1±0.6 (1988) to 12.8±0.3 (2008), which show tendency to breed lighter type riding horse of the same size. Results of study show how international sport horse breeding tendencies have influenced LWB breeding, while LWHB which is preserved rather than developed has remained relatively unchanged. Two populations included in one Stud book are gradually dividing because of different breeding objectives.
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