A prospective study on Canine Hip Dysplasia and growth in a cohort of four large breeds in Norway (1998–2001)

Krontveit, Randi; Nødtvedt, Ane; Sævik, Bente K.; Ropstad, Erik; Skogmo, Hege Kippenes; Trangerud, Cathrine

doi:10.1016/j.prevetmed.2010.09.015

Cited by 20 publications

(18 citation statements)

References 32 publications

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“…In USA veterinary teaching hospitals, the prevalence of CHD was highest in the Rottweiler (35.4%) and lowest in the miniature schnauzer dogs (1.5%) [21]. In a Norwegian study comprised of Newfoundland, Leonberger, Labrador Retriever, and Irish Wolfhounds ( n = 501), the highest prevalence of CHD was in the Newfoundland and the lowest in the Irish Wolfhound (OR 0.22 that of the Newfoundland) [22]. In Turkey, a study of 484 dogs from 7 different breeds revealed the highest prevalence in Doberman Pinschers (70.6%) and the lowest in Golden Retrievers (50%); the prevalence in Doberman Pinschers in this study in North America was low at 5.1%.…”

Section: Discussionmentioning

confidence: 99%

“…Several studies noted no sex difference in the prevalence of CHD. In Norway, Turkey, and the United Kingdom no sex differences were noted for the various breeds studied [22–25]. In Sweden, CHD was 1.14 times more common in female German Shepherds compared to males [26].…”

Section: Discussionmentioning

confidence: 99%

“…A second explanation is that puppies born in late autumn or early winter, compared to those born in spring or early summer, do not get as much physical exercise. Puppies getting less physical exercise may develop weaker hip musculature than those with a lot of outdoor activity, which when combined with rapid skeletal growth results in weakened constraints on the hip, subsequent subluxation, and CHD [8, 22, 29, 30]. This can explain the increase in CHD in dogs born in late autumn/early winter and corroborates the findings from New Zealand, England, and our study, while conflicting with the data from Norway, Finland, and Sweden.…”

Section: Discussionmentioning

confidence: 99%

“…Dogs with limited weight gain in early life have a lower prevalence of CHD [2, 22, 29, 38, 39]. In cold winter months dogs have increased food intake [40, 41], and if not accompanied by an increase in energy consumption (e.g., activity), the dog will gain weight.…”

Section: Discussionmentioning

confidence: 99%

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The Demographics of Canine Hip Dysplasia in the United States and Canada

Loder

Todhunter

2017

Journal of Veterinary Medicine

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Canine hip dysplasia (CHD) is a common problem in veterinary medicine. We report the demographics of CHD using the entire hip dysplasia registry from the Orthopedic Foundation for Animals, analyzing differences by breed, sex, laterality, seasonal variation in birth, and latitude. There were 921,046 unique records. Each dog was classified using the American Kennel Club (AKC) and Fédération Cynologique Internationale (FCI) systems. Statistical analysis was performed with bivariate and logistic regression procedures. The overall CHD prevalence was 15.56%. The OR for CHD was higher in females (1.05), those born in spring (1.14) and winter (1.13), and those in more southern latitudes (OR 2.12). Within AKC groups, working dogs had the highest risk of CHD (OR 1.882) with hounds being the reference group. Within FCI groups, the pinscher/molossoid group had the highest risk of CHD (OR 4.168) with sighthounds being the reference group. The similarities between CHD and DDH are striking. Within DDH there are two different types, the typical infantile DDH and the late onset adolescent/adult acetabular dysplasia, with different demographics; the demographics of CHD are more similar to the later onset DDH group. Comparative studies of both disorders should lead to a better understanding of both CHD and DDH.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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The Demographics of Canine Hip Dysplasia in the United States and Canada

Loder

Todhunter

2017

Journal of Veterinary Medicine

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“…Because of the importance of conformation, body measurements have been studied in breeds, for instance the German shepherd, where traits such as wither height and bodyweight have been found to be moderately heritable (Stock et al, 2012). In a number of studies, conformation traits have been examined pertaining to hip and elbow dysplasia (Malm et al, 2008;Krontveit et al, 2010;Lewis et al, 2010;Meyer et al, 2012), as these are common disorders in several dog breeds.…”

Section: Introductionmentioning

confidence: 99%

Genetic analysis of pre-weaning survival and inbreeding in the Boxer dog breed of South Africa

Mostert¹,

Marle-Köster²,

Visser³

et al. 2016

SA J. An. Sci.

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Members of the Federation of Boxer Clubs in Southern Africa (FBCSA) have participated in official recording for many years. The aim of the study was to estimate genetic parameters and trends for preweaning survival and to assess inbreeding in the South African Boxer, based on performance and pedigree data. Fitness records were included from 2138 litters recorded between 1988 and 2012 and pedigree information of 32 029 Boxer dogs recorded from 1950 to 2012. The average litter size was 6.14 ± 2.43. More male puppies were born per litter (3.23 ± 1.79) than female puppies (2.91 ± 1.72), with an increase in the proportion of males in larger litter sizes. Heritability values of 0.23 ± 0.08 and 0.25 ± 0.08 were estimated for litter size (LS) and number of puppies alive at two weeks after birth (NA), respectively. Litters larger than five tended to have more puppies born dead or with low survivability. Number of puppies born dead or that died within two weeks after birth increased from 0.43/litter at first parity to 0.82/litter at fifth parity, with a substantial increase of 2.25/litter with low survivability at seventh parity. Average inbreeding levels of the Boxer breed were above 10%, with an inbreeding rate of 0.14%/year since 1982. These results indicate that FBCSA should focus on lowering the levels of inbreeding by avoiding mating closely related animals. The complete recording of fitness traits is encouraged for effective genetic management of the breed.

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References

2018

Breed Predispositions to Disease in Dogs and Cats

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A prospective study on Canine Hip Dysplasia and growth in a cohort of four large breeds in Norway (1998–2001)

Cited by 20 publications

References 32 publications

The Demographics of Canine Hip Dysplasia in the United States and Canada

The Demographics of Canine Hip Dysplasia in the United States and Canada

Genetic analysis of pre-weaning survival and inbreeding in the Boxer dog breed of South Africa

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