Bone dysplasias in the labrador retriever: a radiographic study

1999 ◽  
Vol 35 (4) ◽  
pp. 332-340 ◽  
Author(s):  
JP Morgan ◽  
A Wind ◽  
AP Davidson

A radiographic study of the humeral head, elbow joint, hip joint, stifle joint, tarsal joint, and lumbosacral (LS) junction was performed in 1,018 Labrador retrievers in search for humeral head, femoral condyle, and tarsal osteochondroses; elbow and hip dysplasias; and transitional LS vertebrae. The ages of all dogs reported were one year or older. Elbow dysplasia was detected as the most common lesion (17.8%), with a higher prevalence in the male dog. Hip dysplasia was the second most common lesion (12.6%) and was found equally in the male and female. Elbows and hips were often affected in the same dog (4.2%). Transitional vertebral segments were found more frequently in the female (4.2%) than in the male (1.0%), and the condition was thought to be inherited.

2008 ◽  
Vol 163 (22) ◽  
pp. 654-658 ◽  
Author(s):  
F. Coopman ◽  
G. Verhoeven ◽  
J. Saunders ◽  
L. Duchateau ◽  
H. Van Bree

Author(s):  
Robert M. Kirberger

Canine hip and elbow dysplasia are major orthopaedic problems prevalent the world over, and South Africa is no exception. Hip and elbow dysplasia phenotypic status is certified by a number of different radiographic schemes in the world. South Africa uses the Fédération Cynologique Internationale system to certify hips, and the International Elbow Working Group scheme to certify elbows. One way of reducing these often crippling conditions is by selective breeding using only dogs with no or marginal dysplastic joints. In South Africa, only seven breeds, including the Rottweiler, have breeding restrictions for hip dysplasia. There are no such restrictions for elbow dysplasia. This study assessed the prevalence of hip and elbow dysplasia over a 9-year-period in the Rottweiler and the Labrador retriever in South Africa as evaluated by official national scrutineers. Records from 1148 Rottweilers and 909 Labrador retrievers were obtained and were graded as normal or dysplastic, and numerical values were also evaluated. Data were compared between the two breeds, males and females as well as over time and were compared with similar data of the Orthopaedic Foundation for Animals in the United States. The prevalence values for hip dysplasia in Rottweilers and Labrador retrievers were 22% and 31%, respectively, whereas for elbow dysplasia the values were 39% and 19%, respectively. In Labrador retrievers, this incidence was much higher than in the American population. Rottweiler hip and elbow dysplasia numerical scores significantly improved over time, whereas in Labrador retrievers, only hip dysplasia showed a minor but significant improvement. This study proved that prescribing minimum breeding requirements, as in the Rottweiler in this study, significantly improved the breeding stock, suggesting that minimum hip and elbow breeding requirements should be initiated for all breeds at risk of these often crippling conditions.


1994 ◽  
Vol 07 (04) ◽  
pp. 170-172 ◽  
Author(s):  
R. A. Read

Congenital shoulder luxation in the dog is commonly associated with deformity of the humeral head and glenoid, making reduction and stabilization difficult. Early diagnosis of congenital luxation of the shoulder in a Papillon made it possible to successfully reduce and stabilize the luxation using a closed pinning technique. One year later the joint was functionally and radiographically normal.


1988 ◽  
Vol 01 (03/04) ◽  
pp. 152-154
Author(s):  
S. Johnson ◽  
D. Hulse

degenerative changes of the involved stifle joint associated with a “bucket handle” tear of the caudal body of the lateral meniscus. Surgical excision of the torn section of meniscus was beneficial in the first patient but this patient had persistant difficulty with the leg after exercise. Gross and microscopic pathology of the involved stifle in the second patient showed the meniscal lesion to be associated with severe cartilage fibrillation of the overlying lateral femoral condyle. As in human beings, the mechanism of injury may have been placement of the foot during vigorous external rotation of the femur with the stifle flexed. Extension of the limb from this position could have resulted in an isolated tear of the lateral meniscus.


Animals ◽  
2020 ◽  
Vol 10 (7) ◽  
pp. 1235
Author(s):  
Nadja Affenzeller

Arousing and emotional situations can improve cognitive performance and the memorability of events. Recently, the enhancement of training performance in Labrador Retriever dogs through 30 min of dog–human play immediately after acquiring a novel task, when compared to a resting period, was demonstrated. This follow-on study used the same pseudo-randomized, counterbalanced, between-subject study design, and 11 Labrador Retrievers were re-trained in the identical two-choice discrimination paradigm after a period of 1 year. The playful activities group needed significantly less trials and made significantly less errors to successfully reach the re-training criterion (Mann–Whitney U test, critical value of U at p < 0.05 is 5, U = 5, Z = 1.73, p = 0.04 and U = 4.5, Z = 1.8, p = 0.03, respectively). Following model simplification of a multiple factor/covariate general linear model analysis, the type of intervention, the number of trials needed to re-learn the task after 24 h, the average heart rate during the intervention a year ago, and age were significantly correlated to the number of trials and errors needed to resolve the task. A significant difference due to intervention allocation (heart rate during the intervention, trials needed to re-learn the task after 24 h) between the groups was confirmed. Age did not significantly differ between the groups; nevertheless, the effects of ageing cannot be fully excluded, given the low sample size. No effects of the trainer and of the cortisol concentrations (of the previous year) were observed. This is the first evidence that post-training activity may influence memory up to 1 year after task acquisition.


2020 ◽  
Vol 51 (4) ◽  
pp. 617-619
Author(s):  
C. S. Bruun ◽  
A. Bank ◽  
A. Ström ◽  
H. F. Proschowsky ◽  
M. Fredholm

2013 ◽  
Vol 54 (4) ◽  
pp. 195-200 ◽  
Author(s):  
A. K. Lappalainen ◽  
S. Mölsä ◽  
A. Liman ◽  
M. Snellman ◽  
O. Laitinen-Vapaavuori

2014 ◽  
Vol 114 (2) ◽  
pp. 114-122 ◽  
Author(s):  
I.C.M. Lavrijsen ◽  
H.C.M. Heuven ◽  
B.P. Meij ◽  
L.F.H. Theyse ◽  
R.C. Nap ◽  
...  

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