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Always In My Heart Donating Member Join Date: Aug 2005 Location: The Lone Star State
Posts: 3,393
| ![]() While I was reading this threadhttp://www.yorkietalk.com/forums/showthread.php?t=71077 it got me thinking ... especially after this sentence: Quote:
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Donating YT 14K Club Member | ![]() FYI...read up on it and talk to your vet about the microchips. Studies have shown that the microchip CAN cause cancer in your pets. http://www.louisville-pets.com/micro...cer_study.html Implanted Microchips Cause Cancer By Jane Williams GFN contributing writer--- (For Publication in the January 2007 "American Family Voice") At the National ID Expo in Kansas City, Arkansas Animal Producer's Association President Michael Steenbergen asked, "What safety studies have been conducted on the chips that are inserted into animals?" His question was met with total silence. Did these manufacturers not know, or were they unwilling to admit that research has confirmed that implanted microchips cause cancer? Melvin T. Massey, DVM (Doctor of Veterinary Medicine) from Brownsboro,Texas, brought this to the attention of the American Horse Council when he wrote, "I am a retired Equine Veterinarian and still breed a few horses. Because of migration-infection s-increased risk of sarcoids I will not want to have microchips in my horses." The Institute of Experimental Pathology at Hannover Medical School in Germany reported , "An experiment using 4279 CBA/J mice of two generations was carried out to investigate the influence of parental preconceptual exposure to X-ray radiation or to chemical carcinogens. Microchips were implanted subcutaneously in the dorsolateral back for unique identification of each animal. The animals were kept for lifespan under standard laboratory conditions. In 36 mice a circumscribed neoplasm occurred in the area of the implanted microchip. Macroscopically, firm, pale white nodules up to 25 mm in diameter with the microchip in its center were found. Macroscopically, soft tissue tumors such as fibrosarcoma and malignant fibrous histiocytoma were detected." Ecole Nationale Veterinaire of Unite d'Anatomie Pathologique in Nantes, France, reported, "Fifty-two subcutaneous tumors associated with microchip were collected from three carcinigenicity B6C3F1 micestudies. Two of these 52 tumors were adenocarcinoma of the mammary gland located on the dorsal region forming around the chip. All the other 50 were mesenchymal in ori! gin and were difficult to classify on morphological grounds with haematoxylin- eosin." Marta Vascellari of Instituto Zooprofilattico Sperimentale delle Venezie at Viale dell'Universita in Legnaro, Italy reported examining a 9-year-old male French Bulldog for a subcutaneous mass located at the site of a microchip implant. "The mass was confirmed as a high-grade infiltrative fibrosarcoma, with multifocal necrosis and peripheral lymphoid aggregates." The Toxicology Department of Bayer Corporation in Stillwell, Kansas reported, "Tumors surrounding implanted microchip animal identification devices were noted in two separate chronic toxicity/oncogenici ty studies using F344 rats. The tumors occurred at a low incidence rate (approximately 1%), but did result in the early sacrifice of most affected animals, due to tumor size and occasional metastases. No sex-related trends were noted. All tumors occurred during the second year of the studies, were located in the subcutaneous dorsal thoracic area (the site of microchip implantation) and contained embedded microchip devices. All were mesenchymal in origin and consisted of the following types, listed on order of frequency: malignant schwannoma, fibrosarcoma, anaplastic sarcoma, and histiocytic sarcoma. The following diagnostic techniques were employed: light microscopy, scanning electron microscopy, and immunohistochemistry. The mechanism of carcinogenicity appeared to be that of foreign body induced tumorigenesis. " Additional studies related to cancer tumors at the site of microchip implants have been conduced in China; however, at this time these studies are not available in English. At this time, no long term studies are available covering more than two years. It only seems logical to conclude that if carcinogenic tumors occur within one percent of animals implanted within two years of the implant that the percentage would increase with the passage of time. Additional studies need to be conducted, but don't hold ! your bre ath for the manufacturers of microchips to conduct such research and be leery of any such "research" they may conduct. Even the limited research available clearly indicates that implantation of microchips within an animal is gambling with the animal's well being. For additional Information: www.vetpathology.org also National Library of Medicine and National Institutes of Health, or just google for "sarcomas associated with implanted microchips".
__________________ As always...JMO (Just My Opinion) Kimberley ![]() ![]() ![]() ![]() |
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I Love My Yorkies Donating Member Join Date: Feb 2005 Location: Indianapolis, Indiana
Posts: 37,147
| ![]() I dont think the microchip is totally useless. If someone has my dog but is claiming it is theres I can tell the police the dog is chipped and it will be identified as mine. Otherwise it is your word against theirs
__________________ Chachi's & Jewels ![]() ![]() ![]() ![]() |
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Donating YT 500 Club Member Join Date: Sep 2006 Location: ~*~YorkieWorld~*~
Posts: 8,428
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♥Love My Puppies!♥ Donating Member Join Date: Nov 2005 Location: US
Posts: 5,786
| ![]() I didn't hear about the cancer scare with the microchips. That scares me. Mine are both chipped and we were at a dog event where someone scanned my dogs and read their Avid chip. She said that most scanners can read 90-something percent of the chips but possibly not chips from Europe. I would really like to know if there is anything to this cancer thing because if it is true, I would get mine taken out and get them tattooed. On the plus side of chips, someone brought a little lost yorkie to my house because the neighbors told him they thought she was mine. There were no id tags on the collar, but it did have the blue microchip id tag. So I called the vet to see if they could give me contact info on the dog and while they were checking the owner came to my house to claim the dog. It turns out the man who found the dog told the owners where he dropped off their dog. At least the microchip id tag on the collar gave me a place to start and I knew the owners could be positively identified.
__________________ RIP My Sweet Darling Angel Daisy 08/09/03 - 10/02/15, RIP My Sweet Baby Boy Teddy Bear 02/01/04 - 02/11/16 Photos HERE |
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Always In My Heart Donating Member Join Date: Aug 2005 Location: The Lone Star State
Posts: 3,393
| ![]() I seriously thought there is a microchip out there like a gps... am I wrong? |
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Donating YT 3000 Club Member Join Date: Jun 2006 Location: Sequim, Wa
Posts: 4,541
| ![]() The best defense is a good offense. Don't let the little baby out of your sight for a minute! Put a security system in your house and arm it. Microchips, tags, tattoos, don't prevent baby from being stolen, but I think all of the tags with AKC, Microchip, license, ID, etc. might be a deterent and the Chip might very well help you get your baby back.
__________________ Gracie loves Bailey. Holly loves Tucker. Proud member of the YT Gracie Girls. |
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and Hopeys Mom Too Donating Member Join Date: Feb 2006 Location: Louisiana
Posts: 4,109
| ![]() identification is the KEY! whether it is microchip or simply name and number on a collar or harness.... anything is better than nothing! and YES, never let them out of your sight or reach. mine are never allowed outside without id AND leash and harness... I keep a collar with ID on all of them... only Tootie is chipped, I am undecided on Hope yet.
__________________ ![]() ![]() Hopeys Dogster http://www.dogster.com/?448723 ![]() |
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Donating YT 2000 Club Member | ![]() I like the security system idea, but what about from the yard? No one can get in my yard--and if they did--the 6 dogs would make so much racket--they would leave quickly. Security won't work in the yard--not anything I can think of. |
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