Adaptations of Racing Thoroughbreds to a Hypoxic Chamber: A Pilot Study

Jie Lİ; Brian NİELSEN; Cara ROBİSON; Holly SPOONER

doi:https://doi.org/10.30704/http-www-jivs-net.957807

Makale detayları

Adaptations of Racing Thoroughbreds to a Hypoxic Chamber: A Pilot Study

Yazarlar:

Jie Lİ | Brian NİELSEN | Cara ROBİSON | Holly SPOONER

Yayıncı:

The Chamber of Veterinary Surgeons, Istanbul

Ana Başlıklar:

Hayvancılık

Dergi:

Journal of Istanbul Veterinary Sciences 2021 Vol.5 Issue 3, pp.123-129

Belge Tipi:

Makale

Yayın Tarihi:

12/2021

Belge Dili:

İngilizce

Document ID (Org No.):

2000485143

Sıklık:

Üç Yıllık

eISSN:

2602-3490

pISSN:

2602-3490

DOI:

https://doi.org/10.30704/http-www-jivs-net.957807

Özet:

 

Hypoxic exposure results in physiological adaptions and enhanced human athletic performance. However, few reports exist regarding responses of horses to similar conditions. The goals of this preliminary work were to evaluate whether horses could be acclimated to a hypoxic chamber (HC) and to monitor their performance. Trial 1: Two 4-yr-old Thoroughbreds were used to establish protocols for adaptation to the HC. Horses were stalled in the HC for 8 to 10 h/d while O2 concentrations were decreased over 2 wk until 13.5% O2 was achieved. On d 37, horses were removed from the HC and shipped to a track for 7 d before reentering the HC for the remainder of the 2-month study. Resting hemoglobin (Hb) was measured on d 0, 37, and 61 and ranged from 14.8 to 15.2 g/dL. Trial 2: Two 2-yr-old Thoroughbreds were maintained in the HC at 13.5% O2 for 8 to 8.5 h/d for 21 d, shipped to a track for 5 d, and then placed back in the HC 8.5 h daily for the remainder of the 31-d trial. Horses were conditioned on the treadmill or track 6 d/wk. Horses underwent a standardized exercise test (SET) prior to being initially placed in the HC. The SET was repeated on d 10 and 31. Peak heart rate (HR) reached during exercise, and HR at 3 and 5 min post-exercise were recorded. Hemoglobin was measured immediately upon cessation of exercise. There was no difference in HR at 3 min (P=0.18), and 5 min post-exercise (P=0.64). Hb was greater on d 31 compared to d 0 (P<0.01). Without controls for comparison, we cannot confirm that differences detected were caused by the effect of HC, due to potential training effects. Results demonstrated horses can be adapted to HC but improvements in race performance were not noted.

Makale detayları

Adaptations of Racing Thoroughbreds to a Hypoxic Chamber: A Pilot Study

Yazarlar: Jie Lİ | Brian NİELSEN | Cara ROBİSON | Holly SPOONER

Yayıncı: The Chamber of Veterinary Surgeons, Istanbul

Ana Başlıklar: Hayvancılık

Dergi: Journal of Istanbul Veterinary Sciences 2021 Vol.5 Issue 3, pp.123-129

Belge Tipi: Makale

Yayın Tarihi: 12/2021

Belge Dili: İngilizce

Document ID (Org No.): 2000485143

Sıklık: Üç Yıllık

eISSN: 2602-3490

pISSN: 2602-3490

DOI: https://doi.org/10.30704/http-www-jivs-net.957807

Sayı

Yazarlar:

Jie Lİ | Brian NİELSEN | Cara ROBİSON | Holly SPOONER

Yayıncı:

The Chamber of Veterinary Surgeons, Istanbul

Ana Başlıklar:

Hayvancılık

Dergi:

Journal of Istanbul Veterinary Sciences 2021 Vol.5 Issue 3, pp.123-129

Belge Tipi:

Makale

Yayın Tarihi:

12/2021

Belge Dili:

İngilizce

Document ID (Org No.):

2000485143

Sıklık:

Üç Yıllık

eISSN:

2602-3490

pISSN:

2602-3490

DOI:

https://doi.org/10.30704/http-www-jivs-net.957807