Extreme breeding in horses

El Rey Magnum, the Arab colt whose head shape reminds many of a seahorse, has understandably stimulated those with both clinical and ethical interests to speculate the future (VR, October 14, 2017, vol 181, pp 390-391). The pictures of the colt show that the lower jaw is shorter than the top jaw. This would indicate that it is undershot and therefore has a parrot mouth (brachygnathic). Depending on the severity, this would impair its grazing ability. This condition is hereditary and horses with such conditions should not be bred from. Assuming that his dentition has not been compromised, in spite of his flawed nostrils which would compensate for his deformity, it was contemplated that his breathing will be affected. Another area of concern, both ethically and clinically, is the current respiratory status of the thoroughbred. Winners of group one races are the crème de la crème of the thoroughbreds...
Source: Veterinary Record - Category: Veterinary Research Authors: Tags: Letters and notices Source Type: research