PMID: 7024224May 15, 1981

Effects of storage time and temperature on quantitative culture of canine urine

Journal of the American Veterinary Medical Association
J PadillaG E Ward


Results of quantitative culture of 25 canine urine samples stored at different temperatures for varying periods (2, 4, 6, 12, and 24 hours) following collection were compared. Samples stored at room temperature (21 to 25 C) were unreliable for diagnostic quantitative culture after 24 hours. False-positive results were obtained in 13 (50%) of the samples, and false-negative results were obtained in 1 (4%) sample. Likewise, samples sent via the US mail were unreliable for diagnostic quantitative culture since false-positive results were obtained in 9 (35%) of the samples. Samples stored at refrigeration temperature (3 to 8 C) provided more satisfactory data. Culture of urine samples refrigerated for 2 hours resulted in quantitative results that were similar and interpretations that were identical to those obtained for samples cultured without having been refrigerated. Refrigeration for periods up to 6 hours resulted in qualitative counts that differed from those obtained after initial culture of the nonrefrigerated samples, but interpretations of results were identical. After 24 hours of refrigeration there were no false-positive results; however, false-negative results were observed in 1 (4%) of the samples. These observations i...Continue Reading

Related Concepts

Canis familiaris
Alkalescens-Dispar Group
Flavobacterium genus
Specimen Collection
Genus staphylococcus

Trending Feeds


Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Neural Activity: Imaging

Imaging of neural activity in vivo has developed rapidly recently with the advancement of fluorescence microscopy, including new applications using miniaturized microscopes (miniscopes). This feed follows the progress in this growing field.

The Tendon Seed Network

Tendons are rich in the extracellular matrix and are abundant throughout the body providing essential roles including structure and mobility. The transcriptome of tendons is being compiled to understand the micro-anatomical functioning of tendons. Discover the latest research pertaining to the Tendon Seed Network here.

Myocardial Stunning

Myocardial stunning is a mechanical dysfunction that persists after reperfusion of previously ischemic tissue in the absence of irreversible damage including myocardial necrosis. Here is the latest research.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.


Incretins are metabolic hormones that stimulate a decrease in glucose levels in the blood and they have been implicated in glycemic regulation in the remission phase of type 1 diabetes. Here is the latest research.

Chromatin Regulation and Circadian Clocks

The circadian clock plays an important role in regulating transcriptional dynamics through changes in chromatin folding and remodelling. Discover the latest research on Chromatin Regulation and Circadian Clocks here.

Long COVID-19

“Long Covid-19” describes illness in patients who are reporting long-lasting effects of the SARS-CoV-19 infection, often long after they have recovered from acute Covid-19. Ongoing health issues often reported include low exercise tolerance and breathing difficulties, chronic tiredness, and mental health problems such as post-traumatic stress disorder and depression. This feed follows the latest research into Long Covid.

Spatio-Temporal Regulation of DNA Repair

DNA repair is a complex process regulated by several different classes of enzymes, including ligases, endonucleases, and polymerases. This feed focuses on the spatial and temporal regulation that accompanies DNA damage signaling and repair enzymes and processes.