Successful in the G2 Duchess Of Cambridge S. and third in the G1 Cheveley Park S. at two, the daughter of Modern Ideals (GB) (New Approach {Ire}) has won all three of her 3-year-old starts. The 'TDN Rising Star' appeared twice at Meydan in conditions races and won the Jumeirah Fillies Classic over seven furlongs and the Jumeirah Fillies Guineas going a mile this winter.

“Mawj appeared quiet after exercising this morning and produced a dirty scope,” said bin Suroor. “She is coughing at moment, so won't be able to run in the Coronation S.

“It's disappointing to miss Royal Ascot, but we will give her time to recover and we can hopefully look forward to the rest of the season.”

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A horse who coughs a few times at the beginning of a ride may be clearing mucus from behind his larynx. Some horses create more mucus than others, so a cough for them is normal. If the horse has no other trouble breathing and isn't ill, his coughing may be a natural reaction to beginning work, when he breathes deeper.

A horse coughs when his esophagus is irritated by something, whether that's dust, pollen or cold air. The horse rapidly expels air in an effort to remove irritants from the respiratory tract; this is the cough that is heard.

Prolonged coughing or coughs that become more frequent, a call to the veterinarian is warranted.

Read more at EQUUS magazine.

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 Much research has been done on upper respiratory tract conditions that may cause DDSP, but little attention has been paid to the possible role lower-airway conditions like asthma might play. 

Drs. Kinga Joó, ÁgnesPovázsai, Zsófia Nyerges-Bohák, Ottó Szenci and Orsolya Kutasi completed endoscopic examinations of 53 pleasure and sport horses at rest and while exercising. Twenty-two of the horses had mild or moderate asthma while 31 horses were severely asthmatic. They also collected mucus from the trachea and lower airways using a tracheal wash and bronchoalveolar lavage. 

The scientists used a nasal occlusion test on resting horses. This test mimics pressure changes that might occur while the horse is working. This test caused the soft palate to displace in many of the horses.  

The team found that 65 percent of the horses with mild asthma had soft palates that displaced during the nasal occlusion test; 79 percent of horses with severe asthma displaced their palate during the nasal occlusion test. All of the horses with severe asthma had DDSP while exercising. 

Horses that had DDSP coughed, but didn't make the typical gurgling sound heard in racehorses when their soft palate slips. The research team suggests that this may be because the horses have a lower rate of airflow than racehorses. 

The team recommends that veterinarians treat the upper and lower respiratory tracts as one unit since lower respiratory tract disease, including asthma, can cause upper-respiratory dysfunction and upper-respiratory obstructions can be a factor in lower-respiratory issues.

Read more at Equine Science Update. 

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Drs. Molly Vinera, Melissa Mazan, Daniela Bedenice, Samantha Mapes and Nicola Pusterla created a study to test for the significance of the protein serum amyloid (SAA) in the blood of horse's with various respiratory conditions. The presence of SAA is indicative of inflammation; it has been used to evaluate and monitor colic and joint disease treatment.

The research team reviewed records of 167 horses that were sent to clinics for respiratory issues; they then analyzed stored serum samples related to each case. The scientists divided the horses into four groups: horses with equine influenza virus (EIV), horses with equine herpesvirus-4 (EHV-4), horses with strangles and horses with heaves. Serum samples from an additional 40 healthy horses served as controls.

They then used an available stall-side test to determine SAA levels in the stored samples. The results of the test showed that all horses with respiratory issues had higher SAA levels then the control horses. Horses that had equine influenza or other infectious respiratory diseases had significantly higher SAA levels than the horses that had heaves or other noninfectious inflammatory conditions.

The team concludes that these findings suggest that stall-side SAA tests can be a useful first step in diagnosing the cause of equine coughs: It allows for the differentiation between infectious and non-infectious respiratory problems, which can help veterinarians make better treatment and management recommendations.

Read the full study here.

Read more at EQUUS magazine.

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“Unfortunately, Shirl’s Speight has come up with a minor cough today and he will not be going to the Kentucky Derby,” owner/breeder Fipke Stable tweeted. “His health is our number one concern, and we’ll look forward to his next race.”

“He’s coughing and full of mucus so we’ve had to put him on antibiotics,” trainer Roger Attfield said. “I’ve had four or five of them [get sick] these last couple weeks actually. It’s nothing majorly serious but it’s bad timing. We were looking forward to seeing if we could something fancy but there will be another day. Just normal stuff we have to go through quite often.”

An impressive debut winner at Woodbine July 4, Shirl’s Speight followed suit with a victory in that venue’s GIII Marine S. July 25.

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