(Anna MacDonald/AVC – image credit) A P.E.I. vet is recommending isolation and testing as keys to stopping the spread of strangles. Two P.E.I. horses tested positive last week, one at the Red Shores Racetrack in Charlottetown and another at the Shamrock Training Centre in Ontario. It had just been transported from Red Shores on Sunday, Feb. 14. Dr. Ben Stoughton, large animal medicine clinician at the Atlantic Veterinary College, said strangles is highly contagious. “I typically explain strangles as being strep throat of horses, just like people get strep throat and a sore throat and can have a fever and feeling badly,” Stoughton said. “Similar to people, they may get a fever, they may have a sore throat, have difficulty swallowing. They could get swollen lymph nodes that you can palpate and can also have stuff coming out of their nose.” Taking temperature and testing Since the first outbreak at Red Shores in Charlottetown in November 2020, the Atlantic Provinces Harness Racing Commission recommended horse owners at Red Shores locations in Charlottetown and Summerside monitor their animals’ temperatures twice daily. “We’re looking for a fever,” Stoughton said. “As the body tries to fight infection, like in this case, it’s a bacterial infection, the body responds by increasing the temperature, which can be measured with a thermometer.” Dr. Stoughton said a sample is collected from a horse exhibiting symptoms by sticking a tube up its nose and washing out the area with a saline solution, collecting it in a cup and culturing it. Stoughton said a sample is collected from a horse exhibiting symptoms by sticking a tube up its nose and washing out the area with a saline solution, collecting it in a cup and culturing it. He said they also use a PCR, or polymerase chain reaction, test to detect DNA of bacteria, a kind of test also being used for COVID-19. Identification of bacteria can be performed in minutes using the MALDI-TOF Mass Spectrometer in the AVC Diagnostic Services’s bacteriology lab. Stoughton said it’s crucial to isolate horses as quickly as possible once they have shown symptoms. “Because the bacteria that causes this is very contagious among horses, so it’s easily spread from nose to nose, or even contact with people,” Stoughton said. “If they have a nasal discharge that has the bacteria in it, it gets on the environment, gets on a person, and then a horse goes and actually licks that, or smells that, and they get it back up into their nose. That’s how it would spread.” Dr. Ben Stoughton, large animal medicine clinician at the AVC, said strangles is highly contagious. Stoughton said that’s why the biosecurity measures now in place at Red Shores are important, including wearing gloves, disinfecting horse gear, disinfecting the feed and water tubs and limiting the people in and out of barns in quarantine. He said the majority of sick horses only need supportive care, but will occasionally need antibiotics if the horses have a severe obstruction. “They call it strangles because the lymph nodes that get infected with this bacteria can get so large that they actually obstruct the ability for the horse to breathe,” Stoughton said. “So that’s how it got the name strangles because they can get so swollen that the horse can’t race.” Signage at Red Shores Racetrack aimed at restricting acccess to the barn area. Most horses recover Stoughton said strangles is not widespread, but also not uncommon. “If you have horses, mules, ponies, donkeys, anywhere in the world, you’re going to eventually have this bacteria pop up,” Stoughton said. “But thankfully, it’s not bad outbreaks all the time, but it wouldn’t be surprising to have it occur once a year, once every other year, depending on where you are in the world.” Dr. Stoughton said the infection spreads through close contact. These horses do not have strangles but demonstrate the kind of nose to nose contact that can lead to transmission. Stoughton said a very low percentage of horses die from strangles, and most will recover in two to three weeks. He said they only start testing to confirm that the horse is no longer a carrier three weeks after the last clinical signs. In the Atlantic provinces, the harness racing commission requires three negative tests for strangles before a horse is cleared for racing. The harness racing season is finished for now at Red Shores Racetrack, resuming in May. Stoughton said if they only did one test, they could miss some of the bacterial organisms. “We’re less likely if you do it three consecutive times to miss a carrier horse,” Stoughton said. “It’s important that we not miss the carrier horse, because if we call that horse negative and it’s technically positive, then that horse gets put out with other horses, and then could restart the problem all over again. So it’s just to be extra cautious.” Red Shores Racetrack has taken measures to prevent the spread of strangles, including adding security and restricting who can enter the barns. Stoughton said there have been occasional reports of this bacteria spreading to humans, in people that have immune suppression. He said the main concern with humans is that they would get the bacteria on their body or hands, and spread it from horse to horse. More from CBC P.E.I.
What caused Alta.'s fireball Monday? U of A scientists solve 'incredible mystery' – CTV Edmonton
We’re learning more about the fireball so many Albertans saw streak across the dark sky early Monday morning.
Thanks to the University of Alberta’s fireball monitoring network, scientists are now able to say that bright streak was a small piece of a comet that burned up in Earth’s atmosphere.
According to the U of A’s Faculty of Science, Western Canada’s most advanced fireball monitoring network also helped in determining the trajectory and velocity of the meteor, as well as its origin.
“This chunk was largely made of dust and ice, burning up immediately without leaving anything to find on the ground, but instead giving us a spectacular flash,” Patrick Hill, from U of A’s Department of Earth and Atmospheric Sciences, said in a news release.
That flash was seen throughout Alberta and parts of Saskatchewan at 6:23 a.m. Monday, due to the unusually high altitude of the fireball.
Normally a rocky object will burn up between 15 to 20 kilometres above the ground after entering the atmosphere, but U of A scientists say Monday’s fireball happened at an altitude of 46 kilometres.
That’s how so many people, and cameras, were able to see the natural light show.
“All meteoroids – objects that become meteors once they enter Earth’s atmosphere – enter at the same altitude and then start to burn up with friction,” explained Hill. “Sturdier, rocky meteoroids can sometimes survive to make it to the ground, but because this was going so fast and was made of weaker material, it flashed out much higher in the atmosphere and was visible from much farther away.”
U of A scientists believe the final point on its trajectory was 120 kilometres north of Edmonton.
They say the small piece of comet debris, likely only tens of centimteres across in size, travelled at a rate of more than 220,000 kilometres an hour before entering Earth’s atmosphere.
“This incredible speed and the orbit of the fireball tell us that the object came at us from way out at the edge of the solar system, telling us it was a comet, rather than a relatively slower rock coming from the asteroid belt,” Chris Herd, curator of the UAlberta Meteorite Collection and professor in the Faculty of Science, said in a news release.
“Comets are made up of dust and ice and are weaker than rocky objects, and hitting our atmosphere would have been like hitting a brick wall for something travelling at this speed,” Herd added.
The team from the U of A used dark-sky images from the Hesje Observatory at the Augustana Miquelon Lake Research Station and at Lakeland College’s observation station in Vermilion to make their calculations.
Unlike the Buzzard Coulee meteorite from November 2008, which produced a similar fireball effect, there most likely won’t be anything remaining to find on the ground.
Still, Herd and Hill are pleased with their learnings.
“This is an incredible mystery to have solved,” said Herd. “We’re thrilled that we caught it on two of our cameras, which could give everyone who saw this amazing fireball a solution.”
Take a look around Mars with Perseverance rover's HD photo panorama – Global News
The space agency released the panorama footage on Wednesday, a few days after it successfully landed its Perseverance rover in the Jezero Crater on Mars.
“The newly released panorama reveals the crater rim and cliff face of an ancient river delta in the distance,” NASA said in a news release.
It also reveals the scene around the rover in extremely high detail, so that you can actually see the rivets on the vehicle and the pores in individual Martian rocks.
The interactive footage is a bit like Google Maps on Mars. You can swipe, drag or zoom the camera to take a look at the full 360-degree field of view around Perseverance, thanks to 142 high-definition photos that have been stitched together.
Click on the image below to explore the panorama footage from Mars.
Perseverance captured the photos with its Mastcam-Z camera over the weekend. The high-definition camera can pick out details as small as 3 to 5 millimetres at close range, and between 2 to 3 metres across on the mountainous horizon, according to NASA.
Richmond company goes to Mars
NASA says the view from Perseverance is similar to what it has seen at past landing sites.
“We’re nestled right in a sweet spot, where you can see different features similar in many ways to features found by Spirit, Opportunity, and Curiosity at their landing sites,” said Jim Bell, NASA’s principal investigator for the camera, in the news release.
NASA researchers have already started picking out interesting sights from the Martian surface, including a rock formation that appears to have been carved by the merciless Martian wind.
The rover’s primary mission is to search for signs of ancient life on Mars, and to eventually send samples of the Martian surface back to Earth for analysis.
One of the first steps in that mission is to scan the crater’s surface for rocks that are worthy of closer inspection.
The crater was once a lake filled with liquid water, but that water disappeared about three billion years ago.
Significance of NASA’s historic landing on Mars
Scientists hope that some forms of microbial life might have lived in that ancient sea, and that their microscopic remains can be found in the rock and soil on the surface today.
The rover will eventually collect several samples, package them up and leave them at designated retrieval points, where a future mission will one day retrieve them and fly them back to Earth.
NASA will also scan the photos for a flat spot where it can launch the rover’s miniature helicopter.
All those efforts start with reviewing the same panorama photos that NASA has now released to the public.
That means you can join scientists in scanning the photos for interesting details on the distant Martian surface.
You probably won’t spot any fossilized aliens laying around — but who says you can’t at least try?
© 2021 Global News, a division of Corus Entertainment Inc.
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(Athletes Unlimited – image credit) Brie King enjoys three main passions: volleyball, church and music. “Everything I do for the church is because I want to. It’s giving back for me. Volleyball is my total passion. I love volleyball so much. And music has just been this incredible gift that has really just naturally come easy,” King said. King, 23, of Langley, B.C., is the lone Canadian set to compete in the Athletes Unlimited volleyball season that begins on Saturday. CBCSports.ca has live coverage of select games beginning Saturday at 8 p.m. ET. A member of the senior national indoor volleyball team, King played collegiately at Trinity Western in her hometown before skipping her senior season to turn pro in Germany. Now, she’ll compete in the inaugural AU volleyball campaign. The pro women’s sports league launched last summer with softball and will introduce a lacrosse league in July. At the same time, King is continuing to lead Zoom services for the church she and husband Jeremy began during the pandemic. If that wasn’t enough, as a musician and singer she has an album set to be released early in the summer. “I feel like I have to be so wild into volleyball, especially with the format. It’s like a really heavy game and not a lot of off-time. … I thought about buying a guitar or a small little keyboard while I’m here just to have some fun, but who knows?,” King said. Athletes Unlimited employs a different format than the typical North American pro league: players switch teams every week for the six-week duration, with individual points earned and subtracted for things like aces and errors. Points are also earned for winning individual sets and overall matches. Those matches are played in three sets up to 25 points, with the winner of the match the team who scored the most. “They’ve really made it clear [that] a team wins and the games, matches, those all account for a lot more than the individual points. And I think it’s a really accurate reflection, honestly, of what the sport is,” King said. King, No. 26, goes up for a block during a practice. King arrived in Dallas, where the entire season will be played, in early February. After a three-day hotel-room quarantine, she began practice along the 43 other athletes in attendance, including six Olympians. Canada’s women’s indoor volleyball team failed to qualify for the Tokyo Olympics, but King says all eyes are on Paris 2024. She’ll begin her season on a team with Brazilian Olympian Sheilla Castro and Dominican counterpart Bethania De La Cruz. “The experience to play with these players that I’ve grown up watching and learning from, it feels like once in a lifetime. I really can’t believe it. And in a lot of ways, we’re peers in the sense that we’re teammates and we’re working together to achieve the same goal. But I feel like I’m getting so much better as a player and a human by being around such high-level experience,” she said. Proximity to home is key King, a second-round pick in the AU draft, said there’s already been interest from teammates and competitors in joining her Sunday services. She’s already seen the difference even an online congregation can make in our socially distanced lives. “I think that’s been the most beautiful part is just seeing people not have their circumstances change, but be able to change where their heart and mind is at,” she said. Proximity to family became increasingly important to King during the pandemic. She had an offer to play professionally in Turkey, but when a Canadian coach called her with the Athletes Unlimited opportunity, its location was the biggest draw. “It kind of feels like the U.S. and Canada together on the same team in terms of international volleyball. And it’s kind of a dream of every young girl in the U.S. and Canada to get to play closer to home,” King said. Players are paid relative to their final place in the standings. AU matches 50 per cent of that salary to be donated to charities of that individual’s choice. They also receive behind-the-scenes training from a league advisory board that includes NBA MVP Kevin Durant, softball great Jessica Mendoza, Hockey Hall of Famer Angela Ruggiero, World Cup champion Abby Wambach and tennis star Caroline Wozniacki. Those workshops include brand development, financial management and more, all in an effort to make the athletes the focus of the fledgling league. Despite an active church and a budding music career, for the next six weeks King’s main focus will return to her profession. “When I think about when this is done, I’m so excited to feel like I just gained a ton of knowledge and got a lot better at volleyball.”
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