Influence of age and sex on bone development and athletic career longevity of Thoroughbred racehorses in Brazil – preliminary study: preliminary study

Marcia Torres Ramos; Cleyanne França de Oliveira Silva; Ana Carolina Ferreira da Rocha; Chiara Albano de Araújo Oliveira; Cláudio Vaz Di Mambro Ribeiro; Maria Fernanda de Mello Costa; Marcelo Abidu-Figueiredo

doi:10.1590/1809-6891v24e-74190E

Autores

Marcia Torres Ramos Universidade Federal Rural do Rio de Janeiro (UFRRJ), Seropédica, Rio de Janeiro, Brazil https://orcid.org/0000-0002-4253-5295
Cleyanne França de Oliveira Silva Universidade de Lisboa, Lisboa, Portugal https://orcid.org/0000-0001-9315-062X
Ana Carolina Ferreira da Rocha Solutio Medicina Equina, Volta Redonda, Rio de Janeiro, Brasil https://orcid.org/0000-0002-2727-2642
Chiara Albano de Araújo Oliveira Universidade Federal da Bahia (UFBA), Salvador, Bahia, Brasil https://orcid.org/0000-0003-4970-1070
Cláudio Vaz Di Mambro Ribeiro Universidade Federal da Bahia (UFBA), Salvador, Bahia, Brasil https://orcid.org/0000-0001-8676-3225
Maria Fernanda de Mello Costa Texas A&M University: College Station, Texas, US https://orcid.org/0000-0001-5302-571X
Marcelo Abidu-Figueiredo Universidade Federal Rural do Rio de Janeiro (UFRRJ), Seropédica, Rio de Janeiro, Brasil https://orcid.org/0000-0003-2251-171X

DOI:

https://doi.org/10.1590/1809-6891v24e-74190E

Resumo

O impacto do exercício de alta velocidade no sistema musculoesquelético de cavalos de corrida jovens tem sido amplamente discutido devido a preocupações com a saúde e o bem-estar animal. Este estudo investigou a correlação entre idade, grau de ossificação da epífise radial distal, sexo e longevidade da carreira de cavalos Puro Sangue Inglês de corrida no Brasil de 2012 a 2015. Realizamos uma avaliação retrospectiva de 286 radiografias dorsopalmar da região radiocarpica esquerda de cavalos jovens e seu desempenho de corrida. O fechamento epifisário radial distal foi classificado em três graus decrescentes: A, B ou C. Os dados de desempenho incluíram o número de corridas disputadas, duração da carreira atlética e o número de corridas por mês. As variáveis foram submetidas à análise de regressão. No momento do exame radiográfico, os cavalos machos eram significativamente mais velhos que as fêmeas, e os cavalos com diferentes graus de fechamento epifisário diferiram com a idade. A idade na primeira corrida foi de 33,08±3,81 meses, a média de corridas disputadas foi de 18,32±15,14 corridas, a duração da carreira atlética foi de 20,37±13,82 meses e o número de corridas realizadas por mês foi de 0,93±0,46 corridas. A idade influenciou (P>0,001) o fechamento da epífise radial distal em cavalos de corrida, mas o sexo não (P=0,218 para machos e P=0,275 para fêmeas). Uma associação inversa foi observada entre a idade na primeira corrida, o número de corridas disputadas por mês e a duração da carreira atlética. A frequência de corrida e a idade na primeira corrida influenciaram a duração da carreira atlética.
Palavras-chave: desempenho atlético; fechamento epifisário distal radial; radiografia

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