Arrogate, who won a record 17.42 million in his short career, was euthanized at age seven after a mystery illness. He retired as horse racing’s highest earner of all-time.
Although Arrowgate didn’t start racing until April of his three-year-old season, he won seven out of eleven starts, including the 2016 Travers Stakes and the 2016 Breeders’ Cup Classic. He was named Champion three-year old male horse and the world’s best racehorse of 2016. As a four year old, he won the 2017 Pegasus World Cup, where he set another track record and then won the Dubai World Cup.
The cause of Arrowgate’s illness is still undetermined, although some sites are reporting he suffered from a neurological illness.
“Arrogate had a very successful breeding season this year, until last week when his breeding was suspended due to an initial suspected sore neck,” it continued. “Later in the week, he fell to the ground in his stall and efforts to get him back up proved unsuccessful. He was transported to the Hagyard Clinic under the care of Dr. Bob Hunt and Dr. Nathan Slovis with Dr. Steve Reed representing the insurance company.
“They worked tirelessly with the staff from the Hagyard Clinic eliminating all the obvious causes and performing all available tests, including spinal tap evaluation, X-ray, ultrasound, CT Scan and many blood tests.
“Unfortunately, Arrogate was still unable to stand after four exhausting days for him. His will to fight, so valuable to him on the racetrack, became a challenge in his care. When serious secondary health issues set in, the decision was made to put him to sleep.”https://www.thoroughbreddailynews.com/arrogate-dies-after-suffering-from-undetermined-illness/