Hyyppä S, Höyhtyä M, Nevalainen M, Pösö A R
Agrifood Research Finland, Animal Production, Equines, Ypäjä.
Equine Vet J Suppl. 2002 Sep(34):186-90. doi: 10.1111/j.2042-3306.2002.tb05416.x.
Iron is of key importance for aerobic metabolism, and natural feeds of the horse are fairly rich sources of iron. Accordingly, the known incidence of iron deficiency anaemia is apparently rare in performance horses; despite this, iron deficiency in performance horses continues to be of concern to trainers and veterinarians. Effects of exercise on plasma ferritin concentrations were therefore studied in Standardbreds, Finnhorses and half-bred riding horses. Blood samples were taken after a moderate exercise test on a racetrack, a competition exercise test on a treadmill and a race. Even moderate exercise caused an increase in plasma ferritin concentration, with the increase being greater as the intensity and duration of exercise increased. Return to the basal level was slower after maximal-intensity exercise than after moderate exercise. In conclusion, although ferritin is a useful marker of low iron stores, samples should be taken only after at least 2 days rest following strenuous exercise.
铁对于有氧代谢至关重要，马的天然饲料是相当丰富的铁源。因此，缺铁性贫血在役用马中的已知发病率显然很低；尽管如此，役用马的缺铁问题仍然受到训练师和兽医的关注。因此，研究了标准赛马、芬兰马和混血骑乘马运动对血浆铁蛋白浓度的影响。在赛马场进行适度运动测试、跑步机上进行竞赛运动测试以及一场比赛后采集血样。即使是适度运动也会导致血浆铁蛋白浓度升高，且随着运动强度和持续时间的增加，升高幅度更大。最大强度运动后恢复到基础水平的速度比适度运动后慢。总之，尽管铁蛋白是低铁储备的有用标志物，但只有在剧烈运动后至少休息2天才能采集样本。
