Article Text

Value of standardised exercise tests and blood biochemistry in the selection and training of breeding stallions
  1. MM Sloet van Oldruitenborgh-Oosterbaan,
  2. T Wensing,
  3. A Barneveld and
  4. HJ Breukink
  1. Department of Large Animal Medicine and Nutrition, Veterinary Faculty, Utrecht University, The Netherlands.

Abstract

Stallions selected by the Royal Dutch Warmblood Society were submitted to a standardised lungeing test at the beginning and at the end of a 100-day test of performance and ability. The heart rate, haematology and biochemistry values obtained in the first lungeing test showed no significant differences between the 15 stallions which were rejected by the Royal Dutch Warmblood Society during the first month of the 100-day test, the 15 stallions rejected during the last month and the 11 stallions which were approved for registration in the studbook. The 26 stallions submitted to the second lungeing test had significantly lower heart rates and blood lactate concentrations than in the first test. The standardised lungeing test had no value in predicting the rejection or approval of the stallions, and the fitness of a stallion at the beginning of the 100-day test did not influence its chance of being approved as a breeding stallion. The differences between the results of the first and the second tests suggest that the fitness of the stallions improved during the 100-day test.

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