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06-18-2014, 03:16 PM | #226 | |
YT 500 Club Member Join Date: Sep 2012 Location: South Yorkshire,England
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__________________ Caleb Pippi | |
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06-18-2014, 06:17 PM | #227 | |
Resident Yorkie Nut Donating YT 20K Club Member Join Date: Sep 2006 Location: Texas
Posts: 27,448
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I am not going to repeat myself...go back and read what I said...THEN, make your comments. I said the breeders are ruining some of the breeds...definitely yorkies....and I said that you cannot compare a torn CCL to mammary tumors....just one position that I have stated. I said that the breeders are behind all of this as a way to take the heat off themselves for the messes they have created. I don't for one minute believe that torn CCLs in yorkies has anything to do with early spay/neuter. I believe it is a breeder induced issue as in genetic mess. Luxating patellas are so common now it is ridiculous and they are what leads to torn CCLs most of the time. Sheesh........ As I suggested, go read before making such a suggestion! We hold puppies in our rescue for six months and then spay/neuter....IF it were absolutely proven that harm was being done (note there is no proof of this), then we would hold them until suggested. When it becomes absolutely true and not someones ideas/guesses/thoughts, then I will believe it. Not until then.
__________________ Last edited by ladyjane; 06-18-2014 at 06:19 PM. | |
06-18-2014, 06:20 PM | #228 |
Resident Yorkie Nut Donating YT 20K Club Member Join Date: Sep 2006 Location: Texas
Posts: 27,448
| And, by the way, how many of the people who come to YT are raising athletic yorkies?
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06-18-2014, 06:23 PM | #229 | |
♥ Maximo and Teddy Donating Member Join Date: Jun 2009 Location: Northern Virginia
Posts: 25,041
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I understand what you are saying about people with sporting dogs, and this might apply to some with working dogs too. Likely much more responsible about everything than the average pet person. I would be interested in knowing what percentage of them are neutered, and what percentage of the pet population do they make up? With a sporting dog in particular, I'm guessing they are well bred or selected carefully, otherwise they would not advance in their sports. So far, my neutered boys' legs and hips appear to be in great shape. Spines good too. Muscle tone very good. This is all without the benefit of off leash running outdoors. I bet they would be even better if we had a safe place. I believe from reading YT for several years, the majority of cases of LP are initially diagnosed very early, before spay/neuter. Wonder how much we would learn about genetic (poor breeding) produced ortho problems if all Yorkie puppies were thoroughly screened before spay/neuter.
__________________ Kristin, Max and Teddy | |
06-19-2014, 06:42 AM | #230 |
Donating YT 500 Club Member Join Date: Nov 2008 Location: Burbs of DC
Posts: 2,198
| One of my collegues breeds Great Danes. He and his wife show and I would consider them responsible breeders. I think their stance on the spay/neuter in larger breed dogs is to wait until at least 18 months to allow for growth plate development. Based on research, it seems as though large breed dogs may have some difficulty since they grow to adulthood longer by 2-3 years old. For yorkies or other small breed dogs I'm not sure how altering the dog prior to 18 months will change the outcome of the health of the animal. This surely has been an interesting thread to read. I now have a female dog and I don't ever want to deal with a dog in heat so I plan to spay by 6 months (plus it's part of my breeder contract). This is my snobby thing, I don't want to deal with anyone's menstrual cycle but my own.
__________________ Owned by Troy(RIP) & Emma |
06-19-2014, 06:59 AM | #231 |
Furbutts = LOVE Donating Member Moderator | LMBO - CLASSIC! Thanks for adding a little levity to this subject . And you have a very good point!
__________________ ~ A friend told me I was delusional. I nearly fell off my unicorn. ~ °¨¨¨°ºOº°¨¨¨° Ann | Pfeiffer | Marcel Verdel Purcell | Wylie | Artie °¨¨¨°ºOº°¨¨¨° |
06-19-2014, 07:13 AM | #232 | |
Furbutts = LOVE Donating Member Moderator | Quote:
And just to be clear, I'm not saying you're pro this or anti that - only you can tell us your position, or whether you have one. At the end of the day, this is a good discussion where we shouldn't worry (imho) about who supports this or that, but rather about how s/n affects our pets and why we make the decisions we do regarding their health...and how all this relates to current/past data and studies.
__________________ ~ A friend told me I was delusional. I nearly fell off my unicorn. ~ °¨¨¨°ºOº°¨¨¨° Ann | Pfeiffer | Marcel Verdel Purcell | Wylie | Artie °¨¨¨°ºOº°¨¨¨° | |
06-19-2014, 07:29 AM | #233 |
T. Bumpkins & Co. Donating YT Member Join Date: Dec 2008 Location: New England
Posts: 9,816
| Athletic yorkies? ROFLMAO. I have a bunch of couch potatoes at home. Actually, I'm kidding, my dogs are very active and have a nice musculature to their lean bodies. In regards to early neutering, I have a beautiful almost 14-year old male that was early neutered. Too early by today's 6-month common practice. He has been a predominantly healthy yorkie. He was diagnosed at 8 weeks of age (before he was neutered) with bilateral medial luxating patellas (grade I on one side and grade II on the other). At age 11.5 he jumped off a bed onto a hardwood floor. He fully tore his CCL, tore his medial meniscus and knocked his knee out from a grade II to a grade III. His doctor said that this was a catastrophic injury...an accident. We all know that a medial patellar luxation (MPL) is a GENETIC issue. Because of this genetic issue it sets the stage for a tear of a CCL. Dogs who have genetic MPL like our yorkies have a medial rotation of the tibial crest which in turn, causes a tension on the CCL. This is what predisposes Yorkies with MPL to tear their CCL. It makes sense that the worse the MPL, the more medial rotation of the tibial crest there will be, and thus more tension on the CCL leading to a tear. It's why many older dogs with MPLs tear their CCLs -- they've had a lifetime of tension on the CCL. Thus, it is GENETICS and TIBIAL FORCES (coupled at times with age) that tear CCLs in these yorkies, regardless of neuter status. My beautiful Barney is now almost 14 years old. He not only survived his early neuter, but he has aged very well and almost everyone who meets him cannot believe he is 14. He could easily pass for a much younger dog. Yes, he tore his CCL, but that's a result of poor breeding and a MPL that set the stage for tibial crest rotation and tension on the CCL over his lifetime. A jump off the bed was the "event" that caused the catastrophic injury. The last straw, so to speak. I can't change his genetics and I certainly can't change the hearts and minds of breeders who don't want to eliminate dogs from their lines that should not be bred (note that my other dog has at least 6 medical problems and 5 are genetic conditions, and that is VERY wrong). Despite this, I can decide how I will take care of my dogs to help offset the very core problems that they were born with. I want nothing more than a few more years with my senior dog, but know that I don't decide the day or the hour or the minute. I wish you all the same enjoyment of many years with your yorkies. I would not change one thing with mine, including the decisions to neuter them.
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06-19-2014, 08:13 AM | #234 |
YT 3000 Club Member Join Date: Apr 2013 Location: Urbana, IL USA
Posts: 3,648
| Patellar luxation, CCL tears, and spaying--no firm conclusions on cause and effect. To add to the conversation, I found this 2010 research article. The meatiest parts of the article are copied below. Parts of the article that I did not copy are represented by [...]. I bolded the parts that are related to spaying and/or Yorkshire Terriers, as well as the main conclusions. With respect to the effect of spaying on the development of luxating patella and CCL rupture, the authors note an increase in the rate of these two conditions in spayed dogs. HOWEVER, they do not draw any conclusions as to cause and effect. Clearly, more research is needed to determine if there is cause and effect, and if so, what the underlying mechanism is. Severity of patellar luxation and frequency of concomitant cranial cruciate ligament rupture in dogs: 162 cases (2004–2007). Courtney A. Campbell, dvm; Christopher L. Horstman, dvm, ms, dacvs; David R. Mason, bvetmed, dacvs; Richard B. Evans, phd. AVMA, Vol 236, No. 8, April 15, 2010. Summary: Objective—To evaluate severity of medial patellar luxation (MPL) and frequency of con- comitant cranial cruciate ligament rupture (CCLR) in dogs. Design—Retrospective case series. Animals—162 dogs (266 stifle joints). Procedures—Medical records of 162 small-breed dogs with MPL were reviewed. Signalment, body weight, luxation grade, bilateral or unilateral MPL, CCLR, and difference in luxation grades between stifle joints were evaluated. Association between severity of MPL and CCLR was investigated. Results—58 dogs had unilateral MPL, and 104 dogs had bilateral MPL. Dogs ranged from 8.4 months to 16.7 years of age (mean, 5.7 years), and mean body weight was 5.45 kg (12 lb). Forty-one percent of all dogs had concomitant CCLR. Mean age for dogs with MPL alone was 3.0 years, which differed significantly from mean age of dogs with MPL and concomitant CCLR (7.8 years). Dogs with grade IV MPL were significantly more likely to have concomitant CCLR than were dogs with any other grade of MPL. In dogs with bilateral MPL and unilateral CCLR, there was a significantly higher grade of luxation in the stifle joint with CCLR. Conclusions and Clinical Relevance—Small-breed dogs with MPL and concomitant CCLR were older than were dogs with only MPL. Dogs with grade IV MPL were more likely to have CCLR than were dogs with other grades of MPL. Most dogs with concomitant CCLR had a higher MPL grade in the affected stifle joint than in the intact joint. These findings should be beneficial in client education and clinical diagnosis. (J Am Vet Med Assoc 2010;236:887–891) Introduction Medial patellar luxation is one of the most common conditions affecting the stifle joint in dogs.1–4 Small-breed dogs are 12 times as likely to be affected by MPL as are large-breed dogs.5,6 Breed predilections have been reported for the Boston Terrier, Chihuahua, Pomeranian, Miniature Poodle, and Yorkshire Terrier.1,4,6 In these breeds as well as in others, luxation of the patella is primarily a developmental condition, with traumatic luxation being less common.3,7 A low-grade MPL may not result in clinical signs and frequently is an incidental finding during physical examination.3,7 Similarly, CCLR is a common disease affecting the stifle joint in dogs.3,7–9 Cruciate ligament disease has been recognized in both large- and small-breed dogs, with dogs of the Miniature Poodle, Lhasa Apso, Maltese, and Pomeranian breeds being the most frequently affected small-breed dogs.3,7,9 Definitive causes for MPL and CCLR have not been elucidated; however, it has been suggested that they have different causes.1–3,5 Classically, skeletal abnormalities associated with MPL are a shallow trochlear sulcus and medial displacement of the tibial tuberosity.2,3,5 Other skeletal abnormalities suggested to contribute to this condition are genu varum, hypoplasia of the medial femoral condyle, medial bowing of the proximal portion of the tibia, coxa vara, and internal rotation of the pes.3,7,8,10 Many causes of CCLR have been investigated, and common etiopathogeneses include trauma, age-associated degeneration of the ligament, immune- mediated disease, conformational abnormalities, and processes associated with breed, sex, and tibial plateau angle.3,7,8 Patients with bilateral MPL may have clinical signs in a chronic or intermittent manner or may be com- pletely devoid of clinical signs of the condition.3,7,11 When a dog with chronic MPL develops an acute hind limb lameness, concomitant CCLR should be considered.3,7 The suggested pathogenesis for dogs with MPL that develop concomitant CCLR is an increase in strain on the ligament as a result of anatomic abnormalities associated with MPL.3,7,12 Conversely, investigators have hypothesized that dogs with CCLR with no previous history of an MPL may acquire an MPL as a result of the increased internal rotation of the tibia once the cranial cruciate ligament has ruptured.3,12 To our knowledge, there are no published studies confirming an association between the grade of MPL and frequency of CCLR in small-breed dogs. The objective of the study reported here was to determine whether there was a relationship between the grade of MPL and frequency of CCLR in a population of dogs. We hypothesized that dogs with an increase in the grade of MPL would be more likely to have a concomitant CCLR and that the grade of MPL would be greater in the stifle joint with the concomitant CCLR. [...] Discussion The most common breeds affected with MPL in the study reported here were the Chihuahua and Yorkshire Terrier, which corroborates results of a report14 in which there was overrepresentation of Chihuahuas. In another study,4 the Miniature Poodle was the breed most commonly affected. This finding may be explained by the hospital population evaluated in our study. The sex distribution for patellar luxation in the present study was a male-to-female ratio of 1:1.3, which is consistent with the ratio of 1:1.5 in small-breed dogs reported in other studies4,7,14 but is in contrast to the sex distribution (male-to-female ratio, 1.8:1) reported in large-breed dogs.4,15 In the present study, spayed or neutered dogs were more likely to have MPL. These findings are in agreement with those of another report16 in which investigators detected a higher incidence of patellar luxation in spayed females.16 The findings of the present study may be attributable to our study population, an increase in spaying and neutering, or a true increase in the prevalence of MPL in dogs that have been spayed or neutered. We believe that our study population is representative of that at most referral institutions because there is a great number of similarities between our study population and the study populations in other investigations. In the study reported here, we hypothesized that higher grades of MPL would be associated with an increase in the frequency of concomitant CCLR. We found that dogs with grade IV MPL were significantly (P = 0.02) more likely to have concomitant CCLR than were dogs with all other grades of luxation. [...] To our knowledge, there have been no reports of the small-breed dogs most commonly affected or the sex of dogs with MPL and concomitant CCLR. In the study reported here, the Yorkshire Terrier and spayed female dogs were slightly overrepresented. The study revealed a significant association between age and concomitant CCLR. Mean age at which dogs with concomitant CCLR were identified (7.8 years) was significantly higher than the mean age of dogs in which MPL alone was identified (3.0 years). This is consistent with results of studies3,4 in which middle-aged to older dogs with patellar luxation appeared to be at an increased risk of developing CCLR. The overall incidence of MPL with concomitant CCLR of 25% in the study reported here was higher than that in other reports4,15,24,25; however, those studies did not have strict exclusionary criteria with regard to breed. [...] In conclusion, middle-aged to older dogs and dogs with grade IV MPL were at an increased risk for developing CCLR. Dogs with bilateral patellar luxation and concomitant unilateral CCLR were more likely to have a higher score for grade of luxation in the cranial cruciate ligament–deficient stifle joint. Studies are warranted to evaluate the reproducibility of the results reported here, in addition to results for follow-up monitoring, radiography, physical examination findings, and other factors that influence MPL and concomitant CCLR. |
06-19-2014, 08:19 AM | #235 | |
♥ Maximo and Teddy Donating Member Join Date: Jun 2009 Location: Northern Virginia
Posts: 25,041
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My take is that some participating in this thread think some of the discussion is interfering with the presentation of science. Gail's first post includes her own conclusions about spay/neuter. The research being posted also includes conclusions that go beyond strict data. I would not make a decision to neuter based solely on a set of statistics, same as I would not make the decision to neuter just because I was told to do it or not do it. That is why I think the discussion should include more. Science doesn't exist in a vacuum. The health impact of spay/neuter goes beyond what we can find in blood tests and xrays. The 'human convenience' factor, for instance, impacts the health of the pet immeasurably by contributing to the likeliness of a happy life. The articles posted discuss this.
__________________ Kristin, Max and Teddy | |
06-19-2014, 08:22 AM | #236 | |
Resident Yorkie Nut Donating YT 20K Club Member Join Date: Sep 2006 Location: Texas
Posts: 27,448
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I know why Brit did it, but it made zero sense to me. Why is it that if people voice opposing opinions, there are those who feel the need to protect others? The problem I had was the analogy....I don't go around on YT telling people to alter their pets. My position is that this discussion is not fact based; therefore it concerns me greatly in terms of what the overall good is for people who come to YT for information about altering their yorkies.
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06-19-2014, 08:33 AM | #237 | |
Action Jackson ♥ Donating Member Join Date: Dec 2008 Location: Maryland
Posts: 17,814
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I'm glad you all think athletic Yorkies is some kind of a joke. God forbid you keep a Yorkie in shape. I'm glad you're happy with couch potatoes. But I was actually referring to dogs in general. I didn't know that wasn't allowed anymore on YT, simply because it's a yorkie based forum? All I meant was there is a world out there, of dog sports, where these dogs are trained as athletes. Keeping them intact is often beneficial for these dogs. All I meant by that. I made a pretty simple straight to the point post and stated my dogs will always be fixed, and that I don't think there's enough pros/cons on either side to really care all that much. And I do agree the general dog owning population should have fixed dogs. There's nothing wrong with discussions on a forum, however. I did not know we had to be so careful what we say in case non-members read our threads. In that case, what's the point in even discussing anything anymore? Anyone can Google and find an answer their happy with. Fwiw, 83% of 83.3 million dogs have been surgically altered to have their reproductive organs removed in the US. That is 69 million spayed and neutered dogs. I'd say a majority of the US has altered dogs so I'm really not overly concerned with responsible breeders and responsible owners having a choice as to whether they went their dogs reproductive organs removed. And for the losers who just let their dogs roam free, impregnate whatever dog they see, and have the thousands of puppies per year that wind up in shelters? Well, they're idiots. Maybe eventually they'll learn, but maybe not. Ladyjane, I'm not sure why the long post SHEESHing me... I was making a generic statement to the whole thread. I read all your posts clearly, and wasn't really addressing them, simply stating... well read Wylie's Mom's post, I'm tired of typing... lol..
__________________ ~ Brit & Lights! Camera! Jackson! CGC ETD TKP ~ Follow Jackson on Instagram: https://instagram.com/jacksontheterrier | |
06-19-2014, 08:38 AM | #238 | |
♥ Maximo and Teddy Donating Member Join Date: Jun 2009 Location: Northern Virginia
Posts: 25,041
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The talk of motives I did not interpret as a personal attack. I'm at a loss how to explain how I view it.
__________________ Kristin, Max and Teddy | |
06-19-2014, 08:40 AM | #239 |
Resident Yorkie Nut Donating YT 20K Club Member Join Date: Sep 2006 Location: Texas
Posts: 27,448
| Your analogy made zero sense to me. Besides, why would you be bothered by others stating their opinions? You of all people? Your post indicated that they should not be doing it unless they "attacked" me as well. ?????
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06-19-2014, 08:43 AM | #240 |
YT 3000 Club Member Join Date: Apr 2013 Location: Urbana, IL USA
Posts: 3,648
| I agree that not all of the discussion is fact-based, and the title of this thread including the phrase "If ever" is unfortunate, since the "if ever" part is more a concern for some large breed dogs than for Yorkshire Terriers. For my part, I'm trying to keep my contributions as fact-based as possible. I found an excellent article on pros and cons of pediatric neutering (neutering dogs younger than 4 months of age) that I'm waiting to present when I have more time. It has a table that provides numerical scores to the risks and benefits so that the vet and owner can make a responsible decision as to when to neuter. For instance, the benefits of preventing mammary tumors and pyometra FAR outweigh the risk of obesity and CCL rupture in spayed females. However, the younger the dog, the greater the risk of spay incontinence (lack of bladder control), so it's best to spay the dog as late as possible before the first heat. Definitely the kind of discussion worth having. |
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