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11-07-2010, 03:39 PM | #16 | |
Mardelin Yorkshire Terriers Donating Member Join Date: Aug 2006 Location: California
Posts: 14,776
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*********************************** Date: Tue 19 Oct 2010 Source: The Independent [edited] <http://www.indeonline.com/news/x1389369539/Leptospirosis-disease-on-the-rise-in-pets> Leptospirosis disease on the rise in pets - ----------------------------------------- A potentially dangerous bacterial disease that can be fatal in animals is on the rise, a local veterinarian warns. Dr Melanie Butera, of Elm Ridge Animal Hospital, said she has seen an increase in the number of dogs at her practice that have contracted leptospirosis. Leptospirosis, a contagious bacterial infection, is contracted when animals -- and humans -- come in contact with the urine of wildlife. "In 25 years of being a vet, I had never seen a true case of it until 3 years ago," Butera said. "Then this year [2010], I have seen 13 cases in my practice." If left untreated, the disease can be deadly. At least half of the dogs treated at Butera's practice have died because of the disease. Butera said she spoke with a veterinarian from Holmes County who mentioned the spike in [leptospirosis] cases. Outbreaks have been documented in the Midwest, including Detroit and Kansas City. In the past, leptospirosis has been most prevalent in outdoor and sport dogs, but Butera said many of the cases she has seen are in house dogs. While any animal or person can contract the disease, Butera said cats appear to be resistant to it. "It seems to be affecting little dogs, not just your outdoor and sporting dogs," she said. "There are cases of dogs living in apartments in New York City coming down with it." Butera said animals that c! ome in contact with urine of wildlife including rats, groundhogs, and squirrels can become infected. Dogs that spend a lot of time out in the yard, in ponds and creeks, and even mud puddles are susceptible. "The bacteria need it (environment) to be wet," she said. "Even dew on the grass (can harbor the bacteria)." Signs can vary and are hard to identify, Butera said, but include vomiting, fever, fatigue, an increase in thirst, loss of appetite, and a hunched back. "It's treatable," she said. "The sooner we start treating them the better." Depending on the strain, Butera said, the disease can cause liver failure, blood clotting disorders, and kidney problems. Butera said there is a vaccine available to combat leptospirosis. While it only protects against 4 strains, she said it is useful. The vaccine had been part of the normal vaccinations for dogs, but because of high number of reactions to the vaccine vets stopped giving the immunization. But Butera said the vaccine is safe and is available. Butera warns pet owners to take action if their animal is exhibiting any of the signs associated with leptospirosis. "It's hard to diagnose and the tests for it are not perfect and expensive, but if it is not treated it can be fatal," she said. A standard dose of penicillin and a 2nd antibiotic will treat the disease, she said. It can take several months to fight the infection. "Some dogs don't have any clinical signs and recover without anyone even knowing they have had it," she said. "Others don't respond well (to treatment) and it takes a prolonged period of time to treat." [Byline: Amy Knapp] -
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11-07-2010, 03:40 PM | #17 |
Mardelin Yorkshire Terriers Donating Member Join Date: Aug 2006 Location: California
Posts: 14,776
| -- Communicated by: ProMED-mail <promed@promedmail.org> [Leptospirosis is caused by various species of _Leptospira_, a spirochete in the family Leptospiraceae, order Spirochaetales. The classifi! cation of this organism is complex. Before 1989, all of the pathogenic isolates belonged to the species _Leptospira interrogans_, which contained more than 200 serovars in 23 serogroups. More recently, the genus _Leptospira_ has been reclassified into 16 or more species. All mammals appear to be susceptible to at least one species of _Leptospira_. Disease is rare in cats, and less common in sheep than cattle - - serovars associated with disease in cattle include _hardjo_, _pomona_, _grippotyphosa_, _canicola_, and _icterohaemorrhagiae_ - - serovars associated with disease in sheep and goats include _hardjo_, _pomona_, _grippotyphosa_, and _ballum_ - - serovars associated with disease in pigs include _pomona_, _grippotyphosa_, _bratislava_, _canicola_, _icterohaemorrhagiae_, _tarassovi_, and _muenchen_ - - serovars associated with disease in horses include _hardjo_, _pomona_, _canicola_, _icterohaemorrhagiae_, and _sejroe_ - - serovars associated with disease in dogs include _pomona_, _grippotyphosa_, _canicola_, _icterohaemorrhagiae_, _pyrogenes_, _paidjan_, _tarassovi_, _ballum_, and _bratislava_. The primary reservoir hosts for most _Leptospira_ serovars are wild mammals, particularly rodents. Reservoir hosts among domestic animals include cattle, pigs, sheep, and dogs. The specific reservoir host(s) vary with the serovar and the geographic region. Disease in reservoir hosts is more likely to be asymptomatic, mild, or chronic. Reservoir hosts include: - - rats: serogroups _icterohaemorrhagiae_ and _ballum_ - - mice: serogroup _ballum_ - - cattle: serovars _hardjo_, _grippotyphosa_, and _pomona_ - - sheep: serovars _hardjo_ and _pomona_ - - pigs: serovars _pomona_, _tarassovi_, and _bratislava_ - - dogs: serovars _canicola_ and _bataviae_. So clearly this is a diverse group of serovars affecting a variety of animals, and humans. This is a zoonotic disease and in many states is a reportable disease t! o the state animal health association or veterinarian when it is diagnosed in a dog. The human-animal bond may increase the likelihood of an exposure to a human being. While knowing the serovars may help in some regions, it may not in other regions. It may in some cases help determine the source: the local pond, or an encounter with a pig. Leptospirosis can be transmitted either directly between hosts or indirectly in the environment. _Leptospira_ spp. can be ingested in contaminated food or water, spread in aerosolized urine or water, or transmitted by direct contact with the skin. The organisms usually enter the body through mucous membranes or abraded skin. They may also be able to penetrate intact skin that has been immersed for a long time in water. _Leptospira_ spp. are excreted in the urine, and can be found in aborted or stillborn fetuses, as well as in normal fetuses or vaginal discharges after calving. They can be isolated from the male reproductive organs. Human cases have also been transmitted during sexual intercourse, by breast feeding, from rodent bites, and after laboratory accidents. _Leptospira_ spp. do not multiply outside the host. In the environment, they require high humidity for survival and are killed by dehydration or temperatures greater than 50 deg C (122 deg F). They can remain viable from a few to many weeks or months in contaminated soil and for several weeks in cattle slurry. They can remain viable in water for several months under laboratory conditions, but do not survive as well in river water under natural conditions. The clinical signs and severity of disease are highly variable in dogs. Some infections are asymptomatic or mild, while others are severe or fatal. The initial signs are usually nonspecific and may include fever, depression, anorexia, stiffness, myalgia, shivering, and weakness. The mucus membranes are often injected. These symptoms may be followed by signs of kidn! ey disease including anuria, hematuria, or increased frequency of urination, vomiting, dehydration, and oral ulceration. Abortions, diarrhea, gray stools, coughing, dyspnea, conjunctivitis, weight loss, and jaundice may also be seen. Hemorrhagic syndromes occur in some dogs: the mucus membranes may have widespread petechial and ecchymotic hemorrhages and, in later stages of the disease, there may be hemorrhagic gastroenteritis and epistaxis. Some dogs die peracutely without clinical signs. Chronic kidney disease can be a sequela. Chronic infections may be asymptomatic, or associated with fever of unknown origin and conjunctivitis. _Leptospira_ may be found in the blood, milk, and cerebrospinal, thoracic, or peritoneal fluids. During chronic infections, they are sometimes found in the urine. The liver, lung, brain, and kidney are collected at necropsy from acute cases, and the kidney and genital tract are tested in chronic cases. Organisms can also be found in the body fluids or tissues of aborted fetuses. Antibiotics used to treat leptospirosis include the tetracyclines, penicillin/ampicillin, dihydrostreptomycin, streptomycin, and the fluoroquinolones. The efficacy of treatment may depend on the serovar. Fluid therapy, blood transfusions, and other supportive care may also be necessary. Control of this organism may depend upon sanitation and disinfection of the area. _Leptospira_ species can be inactivated by 1 percent sodium hypochlorite, 70 percent ethanol, glutaraldehyde, formaldehyde, detergents, and acid. This organism is sensitive to moist heat (121 deg C/250 deg F for a minimum of 15 min) and is also killed by pasteurization. Preventing contact with likely carriers of the organism may be the best prevention. The vaccine is, as the article pointed out, useful and helpful in controlling/preventing the disease.
__________________ Mardelin Yorkshire Terriers |
11-07-2010, 03:48 PM | #18 |
Donating YT 2000 Club Member Join Date: Oct 2006 Location: FL
Posts: 7,651
| Hi Mary -- Thanks for the article. I have read several to make my decision on the lepto. I am still going to skip the lepto shots for my crew. I have a fenced yard and have not seen any of those animals in my yard for years. Since the hurricanes changed our landscaptes actually. I have no trees anymore so many of the animals that used to come around are gone. I know there have been recent outbreaks but according to the article I linked above they are saying, "Clinical evidence now suggests that these new cases are associated with the once, less-common Leptospires for which current vaccines do not protect against. In light of these findings, the process of vaccinating dogs with the current Leptospirosis vaccines is being seriously questioned. I think we all have to weigh each time we consider a vaccine. For me, this vaccine did not seem to outweigh the risk. Now if I was in an area of outbreak (of one of the types the vaccine covers) and my animals were going to come in contact with wild animal urine, then I would reconsider. But not this one, at this time, for mine. "
__________________ FlDebra and her ABCs Annie, Ben, Candy Promoting Healthy Breeding to the AKC Yorkshire Terrier Standard |
11-08-2010, 09:26 AM | #19 |
YT 500 Club Member Join Date: Nov 2004
Posts: 881
| Can someone notify admin that YT is being listed as a website that is potentially harmful by Google? |
11-08-2010, 09:32 AM | #20 |
I Love My Yorkies Donating Member Join Date: Feb 2005 Location: Indianapolis, Indiana
Posts: 37,147
| Hes been notified
__________________ Chachi's & Jewels Mom Jewels http://www.dogster.com/?132431Chachi http://www.dogster.com/?132427 |
11-08-2010, 09:57 AM | #21 |
YT 500 Club Member Join Date: Nov 2004
Posts: 881
| Thank you for your reply. Sorry to highjack the thread. It was the only way I can get in without the warning. |
11-08-2010, 10:08 AM | #22 |
I Love My Yorkies Donating Member Join Date: Feb 2005 Location: Indianapolis, Indiana
Posts: 37,147
| If your on firefox, My husband did something I think with the security to get rid of the warning. Alot of people on here were getting it yesterday
__________________ Chachi's & Jewels Mom Jewels http://www.dogster.com/?132431Chachi http://www.dogster.com/?132427 |
11-08-2010, 10:18 AM | #23 | |
YT 500 Club Member Join Date: Nov 2004
Posts: 881
| I feel good about my vets decisions that he makes. When he feels lepto is important we may decide to give it. I realize that house pets lick things that could be infected at times. It just seems wacky to have 13 out of the blue. People shouldn't panic then give it just because they read things like this. Quote:
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11-08-2010, 11:20 AM | #24 |
No Longer a Member Join Date: Jan 2009 Location: Maryland
Posts: 2,410
| "_Leptospira_. Disease is rare in cats," Just thought that I would increase information surrounding this issue. Although the actual "infection" with symptomology is rare, being a carrier of the disease is not rare, and is significant among outside cats. Cats unique anatomy harbor the disease, without infection, and then infect other animals through urine dispersal. So although you may not have any wild or unfamiliar animals in your yard, your pet may still be exposed to the disease. As I have stated before, long-term infections gone untreated eventually cause kidney and liver damage/failure due to colony infections. Since these two chronic diseases are the number 1 facilitating cause of death in our pups; researchers are now spending time and dollars in investigating the cause and effect relationship that this disease poses for the development of these chronic issues. The JVM has begun publishing White papers that in effect establish this relationship. There is just so much research now that is in congruence with this theology, that it poses even more queries as to what other undocumented issues this disease may indeed pose for our pups long term health. |
11-08-2010, 08:20 PM | #25 |
Donating YT 2000 Club Member Join Date: Oct 2006 Location: FL
Posts: 7,651
| I can get the warnings to go away too but when everyone is getting the warnings like this -- it makes me very nervous that something is trying to get through Yorkie Talk to our computers. I don't need a worm or virus. I just got my computer back on track, after having something gnaw away at it's software. We thought it was coming in through one of two sites, Facebook (probably) or this one as each had had a past warning. Hopefully Admin has taken care of it. I am not getting the warning this evening.
__________________ FlDebra and her ABCs Annie, Ben, Candy Promoting Healthy Breeding to the AKC Yorkshire Terrier Standard |
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