Epagneul Breton Club U.S.A.
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French Brittany Gun Dog Association of America, Inc.

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The following excerpt is a definition of the Pennhip method as explained on their website:

"The definition of CHD (canine hip dysplasia) describes it as: "A varying degree of laxity of the hip joint permitting subluxation during early life, giving rise to varying degrees of shallow acetabulum and flattening of the femoral head, finally inevitably leading to osteoarthritis." Today, the general veterinary consensus is that hip dysplasia is hip joint laxity resulting in osteoarthritisIt is generally agreed that hip joint laxity is somehow related to the development of DJD (degenerative joint disease). However, prior to the research conducted at the University of Pennsylvania, there existed little or no scientific evidence to bolster this empirical association."

"PennHIP is performed only by certified individuals who have undergone training and have successfully demonstrated their expertise in performing the technique. In addition to the special radiographs developed by PennHIP, the method also incorporates the standard hip-extended view into the interpretation of hip joint integrity. A growing body of scientific information from multiple independent laboratories confirms that the PennHIP method surpasses other diagnostic methods in its ability to measure hip joint laxity and accurately predict the onset of DJD. The PennHIP method can be performed on dogs as young as sixteen weeks of age compared with two years using the standard technique. The data generated by PennHIP allows breeders to confidently identify the members of their breeding stock with the tightest hips and the best breeding potential. Pet owners are able to obtain an estimate of their dog's risk for developing DJD and, if necessary, make lifestyle adjustments for their dog to enhance the quality of their pet's life. The PennHIP interpretation will also permit breeders to assess the progress they are making with their breeding program."

"PennHIP is a multifaceted radiographic technology (x-ray) for hip evaluation. The technique assesses the quality of the canine hip and quantitatively measures canine hip joint laxity. The PennHIP method of evaluation is more accurate than the current standard in its ability to predict the onset of osteoarthritis. Osteoarthritis, also known as degenerative joint disease (DJD), is the hallmark of canine hip dysplasia (CHD)."

"PennHIP is more than just a radiographic technique. It is also a network of veterinarians trained to perform the PennHIP methodology properly and, perhaps most importantly, it is a large scientific database that houses the PennHIP data. The radiographs are made by certified PennHIP members worldwide and are sent to the PennHIP analysis center for evaluation. The resulting data is stored in the database, which is continually monitored as it expands."

"It consists of three separate radiographs: the distraction view, the compression view and the hip-extended view (see below). The distraction view and compression view, developed by Dr. Smith, are used to obtain accurate and precise measurements of joint laxity and congruity. The hip-extended view is used to obtain supplementary information regarding the existence of degenerative joint disease (DJD) of the hip joint. (The hip-extended view is the conventional radiographic view used to evaluate the integrity of the canine hip joint.) The PennHIP technique is more accurate than the current standard and it has been shown to be a better predictor for the onset of DJD. "

bulletObtains DJD readings from the standard hip-extended view
bulletObtains hip joint congruity readings from the compression view
bulletObtains quantitative measurements of hip joint laxity from the distraction view
For a more in-depth description of the pennhip process, you may access their website at www.vet.upenn.edu/research/centers/penhip//

Hip Ratings PennHip Info

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Epagneul Breton Club U.S.A.
French Brittany Gun Dog Association of America, Inc.

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