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Caracterização dos parâmetros metabólicos dos cavalos de resistência equestre no campeonato do mundo de 2021
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Resumo(s)
Alterações metabólicas são danos colaterais cada vez menos aceites pela sociedade atual no contexto da resistência equestre. Este estudo teve como objetivo analisar retrospetivamente o desempenho e dados laboratoriais dos cavalos que participaram no campeonato do mundo de 2021 (160 km) em Pisa, Itália. Os dados de desempenho desportivo e as avaliações veterinárias antes e após cada fase do percurso dos 74 cavalos participantes foram recolhidos online (https://www.enduranceonline.it/). Os resultados laboratoriais de 25 cavalos (IDEXX, Westbrook, Maine, EUA), realizados antes ou após a prova, foram obtidos diretamente com o veterinário de tratamento. Utilizaram-se os testes t-student e Mann Whitney (p<0,05) para avaliar diferenças entre cavalos classificados (CL) e não classificados (NCL). A velocidade média da prova foi de 20,1 (DP 2,2; mín 13,1; máx 26,4) km/h, e o tempo de recuperação (TR) foi de 3,3 (DP 2,3; mín 0,6; máx 14,4) minutos. Os CL apresentaram frequências cardíacas (FC) e tempos de recuperação (TR) mais baixos que NCL. Apenas 35% dos cavalos concluíram a prova, enquanto 48 terminaram NCL – 65% eliminados por assimetria no trote (FTQ-GA) e 19% por compromisso metabólico (FTQ-ME). Todos os cavalos eliminados (2 FTQ-GA e 6 FTQ-ME) terminaram a prova em alcalose metabólica. Os cavalos com AST acima dos valores de referência antes da prova (5/18) não se classificaram. Velocidades maiores com menores FC e TR refletem a qualidade e preparação dos cavalos de resistência na atualidade. A alcalose metabólica parece justificar a utilização de NaCl 0,9% para hidratação em provas similares. A AST pode ter valor preditivo para o desempenho, embora sejam necessários mais estudos
ABSTRACT - Characterisation of the metabolic parameters of endurance horses at the 2021 World Championship - Metabolic alterations are collateral damage that is less and less accepted by today's society in the context of endurance rides. This study aimed to retrospectively analyse the performance and laboratory data of horses that took part in the 2021 World Championship (160 km) in Pisa, Italy. Sports performance data and veterinary assessments before and after each stage of the course for the 74 participating horses were collected online https://www.enduranceonline.it/). The laboratory results of 25 horses (IDEXX, Westbrook, Maine, USA), carried out before or after the race, were obtained directly from the treating veterinarian. Student's t-tests and Mann-Whitney tests (p<0.05) were used to assess differences between classified (CL) and non-classified (NCL) horses. The average speed of the race was 20.1 (SD 2.2; min 13.1; max 26.4) km/h, and the recovery time (TR) was 3.3 (SD 2.3; min 0.6; max 14.4) minutes. The CLs showed lower heart rate (HR) and recovery time (TR) than the NCLs. Only 35% of the horses completed the race, while 48 finished NCL – 65% due to irregular gait (FTQ-GA) and 19% due to metabolic problems (FTQ-ME). All the horses eliminated (2 FTQ-GA and 6 FTQ-ME) finished the race in metabolic alkalosis. The horses with AST above the reference values before the race (5/18) did not qualify. Lower HR and TR reflect the quality and preparation of today's endurance horses. Metabolic alkalosis seems to justify using 0.9% NaCl for hydration in similar races. AST may have predictive value for performance, although more studies are needed
ABSTRACT - Characterisation of the metabolic parameters of endurance horses at the 2021 World Championship - Metabolic alterations are collateral damage that is less and less accepted by today's society in the context of endurance rides. This study aimed to retrospectively analyse the performance and laboratory data of horses that took part in the 2021 World Championship (160 km) in Pisa, Italy. Sports performance data and veterinary assessments before and after each stage of the course for the 74 participating horses were collected online https://www.enduranceonline.it/). The laboratory results of 25 horses (IDEXX, Westbrook, Maine, USA), carried out before or after the race, were obtained directly from the treating veterinarian. Student's t-tests and Mann-Whitney tests (p<0.05) were used to assess differences between classified (CL) and non-classified (NCL) horses. The average speed of the race was 20.1 (SD 2.2; min 13.1; max 26.4) km/h, and the recovery time (TR) was 3.3 (SD 2.3; min 0.6; max 14.4) minutes. The CLs showed lower heart rate (HR) and recovery time (TR) than the NCLs. Only 35% of the horses completed the race, while 48 finished NCL – 65% due to irregular gait (FTQ-GA) and 19% due to metabolic problems (FTQ-ME). All the horses eliminated (2 FTQ-GA and 6 FTQ-ME) finished the race in metabolic alkalosis. The horses with AST above the reference values before the race (5/18) did not qualify. Lower HR and TR reflect the quality and preparation of today's endurance horses. Metabolic alkalosis seems to justify using 0.9% NaCl for hydration in similar races. AST may have predictive value for performance, although more studies are needed
Descrição
Dissertação de Mestrado Integrado em Medicina Veterinária, área científica de Clínica
Palavras-chave
Cavalos Resistência equestre FEI Eliminação metabólica Hematologia Horse Endurance FEI Metabolic elimination Haematology
Contexto Educativo
Citação
Barreiros CC.2024. Caracterização dos parâmetros metabólicos dos cavalos de resistência equestre no campeonato do mundo de 2021 [dissertação de mestrado]. Lisboa: FMV-Universidade de Lisboa
Editora
Universidade de Lisboa, Faculdade de Medicina Veterinária