My puppy has high phosphorus and urea. Is it kidney disease?

Question

Hi had pre bloods done on 6mth kelpie before desexing, told today need do urine sample as results came back high phosphorous & urea, what does this mean & would cause it? She seems healthy enough & normal, though has never had huge appetite, trying to feed raw but fussy chicken mainly. Also hangs out with mums 6mth pup (spend about 3-4days a week together) who is the same not much of appetite & results came back the same, could it be coincidence? Thanks. Pet's info: Dog | Australian Kelpie | Female | 5 months and 27 days old | 27 lbs

Amber W · Accepted Answer

Elevations in phosphorus in a puppy can be due to normal bone growth, but it also could be due to underlying kidney issue. Elevations in BUN (blood urea nitrogen) can be present if the diet is too high in protein or if there are underlying kidney issues. My hope is that Roxy's BUN and phosphorus are simply elevated due to her young age (bone growth) and a diet high in protein (raw) as these should correct themselves. However, it is a good idea to check a urine sample to ensure there is no underlying kidney problem. If the urine is not well concentrated or has protein present this could indicate kidney disease and warrants further investigation. The BUN being elevated may indicate Roxy needs to be on a better balanced diet as it could be elevated due to a high protein diet. The fact that two puppies had the same elevations could be for the same reasons listed above. However, it's still important to rule out hereditary kidney disease by checking a urine sample first. Thanks for using Petco Pet Education Center, formerly Petcoach and best wishes to Roxy!

My puppy has high phosphorus and urea. Is it kidney disease?

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