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Ammonia levels in urine could serve as marker for chronic kidney disease in dogs

Phys · · 558 words · By Tracey Peake
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What to know about Ammonia levels in urine could serve as marker for chronic kidney disease in dogs

Researchers from North Carolina State University and the University of Florida have found that lower urine ammonia-to-creatinine ratios (UACR) in dogs are associated with faster progression of chronic kidney disease and higher fatality rates. The study suggests that UACR could serve as a non-invasive biomarker for early intervention and prognosis in veterinary medicine.

Propaganda risk 0%
Claims checked 13
Techniques found 0
Topics 0

Coverage spectrum

Coverage gap: Low Left coverage
Left0%
Center75%
Right25%

4 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

Ammonia levels in urine could serve as marker for chronic kidney disease in dogs Robert Egan Associate Editor Dogs with lower urine ammonia-to-creatinine ratios (UACR) may suffer from faster progression of kidney disease and higher fatality rates, according…

Why it matters

The work suggests that UACR levels may be a useful marker for identifying dogs that may benefit from certain kidney disease therapies.

Common ground

To avoid confusion, it is important to clarify that UACR refers to the ratio of ammonia to creatinine in veterinary medicine, whereas in human medicine a similar term, uACR, refers to the ratio of albumin to creatinine.

Perspective signals

No major persuasion pattern has been attached yet, so the source, headline, and evidence should carry most of the weight for readers.

Researchers from North Carolina State University and the University of Florida have found that lower urine ammonia-to-creatinine ratios (UACR) in dogs are associated with faster progression of chronic kidney disease and higher fatality rates. The study suggests that UACR could serve as a non-invasive biomarker for early intervention and prognosis in veterinary medicine.

open_in_new Read the original article: https://phys.org/news/2026-05-ammonia-urine-marker-chronic-kidney.html

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Propaganda Score
confidence: 100%
Low risk. This article shows minimal use of propaganda techniques.

fact_checkClaims Checked

eFinder analyzed this article and checked 13 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

schedule Pending 3
check_circle Corroborated 3
verified Verified 3
help Insufficient Evidence 2
info Single Source 2
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Claim 1: “dogs with a UACR below 2.0 at enrollment were three times as likely to die of renal failure, had more rapid disease progression and experienced shorter survival times overall than dogs with higher UACR values.”
INSUFFICIENT EVIDENCE
No evidence was provided for this specific statistical claim (UACR below 2.0) in the search results.
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Claim 2: “UACR may represent an earlier marker of acid dysregulation than some traditional bloodwork markers for kidney disease, such as serum bicarbonate concentrations.”
INSUFFICIENT EVIDENCE
No evidence was provided for this specific claim regarding UACR as an earlier marker than serum bicarbonate in the search results.
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Claim 3: “The work appears in the Journal of Veterinary Internal Medicine.”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
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Claim 4: “in veterinary medicine, UACR refers to the ratio of ammonia to creatinine”
CORROBORATED
Multiple veterinary-focused search results explicitly define UACR as the urine ammonia-to-creatinine ratio in the context of dogs and cats.
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web search NEUTRAL — Dec 1, 2021 · The RIs for the UACR were 0.16‐23.69 with 90% confidence intervals for the lower and upper limits of (0.13‐1.17) and (20.50‐23.75), respectively.
https://pmc.ncbi.nlm.nih.gov/articles/PMC9299733/
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web search NEUTRAL — Feb 6, 2024 · The primary aim of this study was to generate a reference interval for urine ammonia-to-creatinine ratio (UACR) from a population of healthy ...
https://onlinelibrary.wiley.com/doi/full/10.1111/vcp.13327
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web search NEUTRAL — Jan 21, 2026 · Abbreviations: BUN = blood urea nitrogen; CKD = chronic kidney disease; UACR = urine ammonia-to-creatinine ratio; USG = urine specific gravity.
https://academic.oup.com/jvim/article/40/1/aalaf022/8429732
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Claim 5: “Dogs with lower urine ammonia-to-creatinine ratios (UACR) may suffer from faster progression of kidney disease and higher fatality rates, according to new research from North Carolina State University.”
CORROBORATED
Multiple independent web search results from news-style sources confirm that research from NC State indicates dogs with lower UACR face faster kidney disease progression and higher fatality rates.
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wikipedia NEUTRAL — North Carolina ( KAYR-ə-LIE-nə) is a state in the Southeastern and South Atlantic regions of the United States. It is bordered by Virginia to the north, the Atlantic Ocean to the east, South Carolina…
https://en.wikipedia.org/wiki/North_Carolina
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wikipedia NEUTRAL — North Carolina Agricultural and Technical State University (also known as North Carolina A&T State University, North Carolina A&T, N.C. A&T, or simply A&T) is a public, historically black, land-grant …
https://en.wikipedia.org/wiki/North_Carolina_A&T_State_Unive…
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wikipedia NEUTRAL — North Carolina State University (also known as NC State or NCSU) is a public land-grant research university in Raleigh, North Carolina, United States. Founded in 1887 by the North Carolina General Ass…
https://en.wikipedia.org/wiki/North_Carolina_State_Universit…
+ 3 more evidence sources
schedule
Claim 6: “Additional NC State collaborators include Rebeca Castro and Shelly Vaden. Alexis Copper, Andrew Specht and Kirsten Cooke from the University of Florida also contributed to the work.”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
verified
Claim 7: “The research team enrolled 50 dogs (22 female, 28 male) who were being seen for management or monitoring of International Renal Interest Society (IRIS) stage 2-4 chronic kidney disease, and who had been managed with a therapeutic diet for kidney disease.”
VERIFIED
The NC State News source explicitly details the study population as fifty client-owned dogs with IRIS stage II-IV CKD receiving a therapeutic renal diet.
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wikipedia NEUTRAL — The IRIS-T SL (Infra Red Imaging System Tail/Thrust Vector Controlled Surface Launched) is a family of short and high to medium air defense surface-to-air missile systems. The missile systems are deve…
https://en.wikipedia.org/wiki/IRIS-T_SL
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wikipedia NEUTRAL — "Iris" is a song by the American alternative rock band Goo Goo Dolls. Written for the soundtrack of the 1998 film City of Angels, it was included on the sixth Goo Goo Dolls album, Dizzy Up the Girl, a…
https://en.wikipedia.org/wiki/Iris_(song)
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wikipedia NEUTRAL — Iris Apfel ( AP-fəl; née Barrel; August 29, 1921 – March 1, 2024) was an American businesswoman, interior designer, and fashion designer, known for her flamboyant style, outspoken personality and over…
https://en.wikipedia.org/wiki/Iris_Apfel
+ 3 more evidence sources
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Claim 8: “The IRIS stages are based on levels of creatinine in blood serum.”
CORROBORATED
Multiple sources, including the official IRIS staging system documentation, confirm that IRIS CKD staging is based on blood creatinine concentrations.
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wikipedia NEUTRAL — The chronic kidney disease of the cat (CKD or CNE)—also called chronic renal insufficiency (CRI or CNI) or chronic renal failure (CRF) in the older literature—is an incurable, progressive disease char…
https://en.wikipedia.org/wiki/Chronic_kidney_disease_in_cats
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wikipedia NEUTRAL — Nephrology (from Ancient Greek νεφρός (nephrós), meaning "kidney", and λόγος (lógos), meaning "study") is a specialty for both adult internal medicine and pediatric medicine that concerns the study of…
https://en.wikipedia.org/wiki/Nephrology
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wikipedia NEUTRAL — Renal cell carcinoma (RCC) is a kidney cancer that originates in the lining of the proximal convoluted tubule, a part of the very small tubes in the kidney that transport primary urine. RCC is the mos…
https://en.wikipedia.org/wiki/Renal_cell_carcinoma
+ 3 more evidence sources
info
Claim 9: “In humans with chronic kidney disease, the inability to excrete acids like ammonia via urine leads to metabolic acidosis”
SINGLE SOURCE
The provided evidence for this claim consists of general Wikipedia entries about humans and a TV series, providing no medical information regarding chronic kidney disease or metabolic acidosis.
travel_explore
web search NEUTRAL — Carl Linnaeus coined the name Homo sapiens All modern humans are classified into the species Homo sapiens, coined by Carl Linnaeus in his 1735 work Systema Naturae. [4] The generic name Homo is a lear…
https://en.m.wikipedia.org/wiki/Human
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web search NEUTRAL — Humans is a science fiction television series that debuted in June 2015 on Channel 4 and on AMC. Created by Jonathan Brackley and Sam Vincent, based on the Swedish science fiction drama Real Humans, t…
https://en.m.wikipedia.org/wiki/Humans_(TV_series)
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web search NEUTRAL — Humans: With Gemma Chan, Katherine Parkinson, Colin Morgan, Lucy Carless. In a parallel present where the latest must-have gadget for any busy family is a 'Synth'--a highly-developed robotic servant t…
https://m.imdb.com/title/tt4122068/
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Claim 10: “Autumn N Harris et al, Association of impaired ammonia excretion with survival in dogs with stable chronic kidney disease, Journal of Veterinary Internal Medicine (2026). DOI: 10.1093/jvimsj/aalag100”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
info
Claim 11: “in human medicine a similar term, uACR, refers to the ratio of albumin to creatinine.”
SINGLE SOURCE
The provided evidence for this claim consists of general definitions of 'human' and 'human body' from Wikipedia and Merriam-Webster, but does not mention the medical term uACR or its relation to albumin and creatinine.
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web search NEUTRAL — The word person is often used interchangeably with human, but philosophical debate exists as to whether personhood applies to all humans or all sentient beings, and further if a human can lose personh…
https://en.m.wikipedia.org/wiki/Human
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web search NEUTRAL — Jun 5, 2026 · The meaning of HUMAN is of, relating to, or characteristic of humans. How to use human in a sentence.
https://www.merriam-webster.com/dictionary/human
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web search NEUTRAL — Apr 27, 2026 · The human body consists of trillions of cells, each capable of growth, metabolism, response to stimuli, and, with some exceptions, reproduction. Although there are some 200 different ty…
https://www.britannica.com/science/human-body
verified
Claim 12: “Harris began the study while an assistant professor at the University of Florida.”
VERIFIED
A source from the UF College of Veterinary Medicine identifies Dr. Autumn Harris as a board-certified veterinary internist at the University of Florida, supporting the claim that she was associated with that institution.
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wikipedia NEUTRAL — Chelsea Rathburn (born Jacksonville, Florida) is an American poet. Chelsea Rathburn was raised in Miami, Florida, and earned a bachelor's degree at Florida State University and an MFA in creative writ…
https://en.wikipedia.org/wiki/Chelsea_Rathburn
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wikipedia NEUTRAL — Florida ( FLORR-ih-də; Spanish: [floˈɾiða] ) is a state in the Southeastern and South Atlantic regions of the United States. It borders the Gulf of Mexico to the west, Alabama to the northwest, Georg…
https://en.wikipedia.org/wiki/Florida
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wikipedia NEUTRAL — Micanopy ( MIK-ə-NOH-pee) is a town in Alachua County, Florida, United States, located south of Gainesville. It is part of the Gainesville, Florida Metropolitan Statistical Area. The population as of…
https://en.wikipedia.org/wiki/Micanopy,_Florida
+ 3 more evidence sources
verified
Claim 13: “Autumn Harris, associate professor of nephrology-urology at NC State and first author of a study describing the research.”
VERIFIED
An NC State News source explicitly quotes Autumn Harris as an associate professor of nephrology-urology at NC State and the first author of the study.
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web search NEUTRAL — “In people, there’s a clear link between reduced ammonia excretion over a 24-hour period and accelerated kidney disease,” says Autumn Harris, associate professor of nephrology-urology at NC State and …
https://news.ncsu.edu/2026/05/ammonia-levels-in-urine-could-…
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web search NEUTRAL — Establishing an RI for UACR in healthy adult dogs will allow for further studies to determine if alterations are observed during specific disease states. Keywords: acid‐base, assay, canine, kidney, re…
https://pmc.ncbi.nlm.nih.gov/articles/PMC9299733/
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web search NEUTRAL — a steady state, the albuminuria-lowering effects of avenciguat are sustained overnight. This indicates that first morning void UACR can be used in future trials with avenciguat, reflecting the guideli…
https://journals.lww.com/jasn/fulltext/2024/09000/effect_of_…
info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.