Study: How To Cool Out A Horse Quickly

Five methods commonly used to cool out horses in hot and humid environment were evaluated to determine which cooled the horses the quickest. The study team used rectal temperature and pulmonary artery blood temperature, which is an indicator of core body temperature, for their findings.

Drs. Yuji Takahashi, Hajime Ohmura, Kazutaka Mukai, Tomoki Shiose and Toshiyuki Takahashi exercised five Thoroughbreds on a treadmill in WetBulb Globe Temperature (WBGT) of nearly 90 degrees Fahrenheit.  WBGT is a measure of heat stress in direct sunlight; it considers temperature, humidity, sun angle, wind speed and cloud cover. This is different than the heat index, which only takes into consideration humidity and temperature in shady areas.

Each horse was worked at a canter five separate times until their arterial blood temperature reached nearly 108 degrees F. They were then given a different cooling treatment each time. These included:

  • Walking on a treadmill with slow fan blowing on the horse
  • Walking on a treadmill with two large fans blowing on the horse
  • Intermittent cold-water hosing and scraping while walking on a treadmill. Every three minutes the horse was taken off the treadmill and hosed all over his body, but not his head and neck, with 4 gallons of 50 degree water, scraped and returned to the treadmill.
  • Intermittent cold-water hosing and no scraping used the same parameters as above, but did not remove the water from the horse
  • Continually using cool water on a horse that is not on a treadmill. The horse was hosed all over with water that was nearly 80 degrees F.

The team determined that the fastest method of cooling out a horse was continually hosing the horse with cool water. This lowered the horse's temperature five times faster than intermittent hosing with cold water. Scraping off the water did not affect the rate of cooling.

Read more at Science Direct.

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Woody Stephens Top Four Return in Jerkens

Four out of the five runners from the GI Woody Stephens S., topped by winner No Parole (Violence), will face off again Saturday in a loaded renewal of the GI H. Allen Jerkens S. at Saratoga. ‘TDN Rising Star’ No Parole won his first three races against fellow LA-breds by a combined 34 lengths. Facing defeat for the first time when trying two turns in the GII Rebel S. Mar. 14, the bay returned to the winner’s circle when cut back to six panels in an Oaklawn optional claimer Apr. 24 and was last seen scoring a decisive victory in the Woody June 20.

Fellow ‘TDN Rising Star’ Echo Town (Speightstown) captured a Churchill optional claimer May 25 prior to a runner-up effort in the Woody Stephens. The third-place finisher in that test, Shoplifted (Into Mischief), is also a ‘TDN Rising Star’ and winner of the Springboard Mile S. at the end of last year. Also exiting the Woody Stephens is fourth-place finisher Mischevious Alex (Into Mischief), winner of the GIII Swale S. Feb. 1 and GIII Gotham S. Mar. 7.

Eight Rings (Empire Maker) looks to return to his juvenile form in this test. Winner of the GI American Pharoah S. last term, the ‘TDN Rising Star’ could only manage sixth in the GI TVG Breeders’ Cup Juvenile S. Nov. 1 and was fifth in his seasonal bow in Oaklawn’s Bachelor S. last time Apr. 25.

Tap It To Win (Tapit) should relish this cut back in trip. Capturing a six-panel event at Gulfstream May 9, the bay wired the field when stretched to 1 1/16 miles at Belmont June 4 and was wheeled back just 16 days later in the nine-furlong GI Belmont S., where he faded to fifth after setting the pace.

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‘Bisou’ Seeks to Defend Personal Ensign Title

Champion Midnight Bisou (Midnight Lute) will attempt to successfully defend her title in Saturday’s GI Personal Ensign S. at Saratoga. Winner of seven of eight starts last year, including three Grade Is, the bay followed her win in this event with a facile score in the GI Beldame S. at Belmont in September. She suffered her sole loss last season in the GI Breeders’ Cup Distaff Nov. 2, but had still done more than enough to secure the Eclipse Award as top older mare. Running last most of the way in the $20-million Saudi Cup Feb. 29, the dark bay made a bold late run up the fence to finish a valiant second behind champion Maximum Security (New Year’s Day). Midnight Bisou returned to winning ways last out in the GII Fleur de Lis H. at Churchill Downs June 27.

Grade II winner Point of Honor (Curlin) finished second in both the GI CCA Oaks and GI Alabama S. at the Spa last summer. Kicking off this term with a second at Tampa Mar. 7, the chestnut was third in the GI Apple Blossom H. Apr. 18 and rallied to be second by a nose behind She’s a Julie (Elusive Quality) in Belmont’s GI Ogden Phipps S. June 13.

GIII Dowager S. victress Vexatious (Giant’s Causeway) seeks her first victory since taking the 2018 renewal of that test. Off the board in an Apr. 30 allowance at Oaklawn, the bay was third in a June 6 test at Churchill and was best of the rest when second to champion Monomoy Girl (Tapizar) in Belmont’s GII Ruffian S. July 11.

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Tilsit Confirmed Thoroughbred Winner After Enquiry

Khalid Abdullah’s Tilsit (First Defence) followed up a June 4 debut second at Newcastle with a breakthrough score–by a whopping 19 lengths–back there June 27 and survived a lengthy stewards’ enquiry to be confirmed the winner of Friday’s G3 Bonhams Thoroughbred S. at Goodwood. The 10-1 chance was steadied to race in third behind a modest tempo set by My Oberon (Ire) (Dubawi {Ire}) and remained there through halfway in this turf bow. Quickening to launch his challenge at the quarter-mile marker, he edged in front entering the final eighth, but suddenly veered right to force that rival into the far-side fence with 150 yards remaining before returning on an even keel to hit the line with a 1 1/2-length advantage. My Oberon somehow managed to remain upright for second place, finishing 2 1/2 lengths ahead of 4-7 favourite Khaloosy (Ire) (Dubawi {Ire}) in third. As expected, Ryan Moore was sanctioned for the final-furlong incident which impeded My Oberon and incurred a five-day suspension for careless riding in the debrief.

“Tilsit had two runs at Newcastle, which is a completely different track to Goodwood, and it was his first start on turf so he has really stepped up and done so well,” commented trainer Charlie Hills. “It was a good step forward really and he has beaten two very nice horses. We knew coming into today that we would know where we would stand after the race and we are all very excited now. Tilsit has come a long way and the guys at home have done a great job. [NH jockey] Will Kennedy has been coming in most days to ride and he has done a fantastic job. A lot of thought has gone into this horse. We’ll see how he is tomorrow morning and go from there. We could maybe come back here for the [G2] Celebration Mile.”

Teddy Grimthorpe added, “That was a huge step forward, but he is still very babyish and has to mature. You could see that slightly in the paddock beforehand, but he was much better than he was the previous two times. He has handled the race pretty well, but he did wander a bit, no doubt about that. He has some talent, no question, and I think fast ground is the key to him as well. I think he is still a bit goofy and immature and I wasn’t at all optimistic we would keep the race. He was the best horse, no doubt about that, but it always worries me. Ryan [Moore] had his whip in his right hand, so that was good, and he has just dived in. He was always going to win so from that point of view the rules are spot on, but it is always a nervous moment. This was Tilsit’s first race on turf and part of the learning curve for him, but he is pretty progressive by the looks of things. The Celebration Mile here could be a possibility and it is always nice to have a few thoughts about where we go and what to do. He looks on an upward curve and, trip-wise, I think we will stay at a mile.”

Tilsit is the first of four foals produced by a daughter of G1 Poule d’Essai des Pouliches heroine Zenda (GB) (Zamindar), herself a half-sister to MG1SW sire Oasis Dream (GB) (Green Desert). The homebred bay is a half-brother to the unraced 2-year-old gelding Bilingual (English Channel), a yearling colt by Kitten’s Joy and a 2020 Noble Mission (GB) filly. Zenda, of course, is also the dam of MG1SW sire Kingman (GB) (Invincible Spirit {Ire}), GSW sire Remote (GB) (Dansili {GB}) and G3 Cumberland Lodge S. third First Eleven (GB) (Frankel {GB}). She is also the second dam of this month’s G3 Musidora S. third Ricetta (GB) (Camelot {GB}), GIII Sham S. second Let’s Meet In Rio (Flatter), G2 German 2000 Guineas runner-up Fajjaj (Ire) (Dawn Approach {Ire}) and stakes-winning G2 Gimcrack S. placegetter Repartee (Ire) (Invincible Spirit {Ire}), himself last of five in this contest.

Friday, Goodwood, Britain
BONHAMS THOROUGHBRED S.-G3, £50,000, Goodwood, 7-31, 3yo, 8fT, 1:40.46, g/f.
1–TILSIT, 127, c, 3, by First Defence
                1st Dam: Multilingual (GB), by Dansili (GB)
                2nd Dam: Zenda (GB), by Zamindar
                3rd Dam: Hope (Ire), by Dancing Brave
1ST BLACK TYPE WIN; 1ST GROUP WIN. O-Khalid Abdullah; B-Juddmonte Farms Inc (KY); T-Charlie Hills; J-Ryan Moore. £28,355. Lifetime Record: 3-2-1-0, $42,992. Werk Nick Rating: F. Click for the eNicks report & 5-cross pedigree.
2–My Oberon (Ire), 127, c, 3, Dubawi (Ire)–My Titania (Ire), by Sea the Stars (Ire). O/B-Sunderland Holding Inc (IRE); T-William Haggas. £10,750.
3–Khaloosy (Ire), 127, c, 3, Dubawi (Ire)–Elshaadin (GB), by Dalakhani (Ire). O-Sheikh Hamdan bin Rashid Al Maktoum; B-Shadwell Estate Company Ltd (IRE); T-Roger Varian. £5,380.
Margins: 1HF, 2HF, 2HF. Odds: 10.00, 3.00, 0.57.
Also Ran: Mystery Power (Ire), Repartee (Ire). Click for the Racing Post result or the free Equineline.com catalogue-style pedigree.

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