The objective of the study was to assess the influence of gender, age, and carcass weight on the properties of meat from adult horses slaughtered in Lithuania. M. pectoralis profundus of twenty-six obsolescent horses from 3 to 21 years of age were used in the experiment. Gender appeared to affect the horse meat properties. Stallions demonstrated (p p p p p p p p p p p p M. pectoralis profundus. Despite the age differences at the decline of horse life, the properties of the horse meat exhibited good quality and showed that horse meat is potentially highly beneficial to human health.