Peer-reviewed veterinary case report
Dog cholesterol and triglycerides vary by body condition and fasting
By Usui, Shiho et al.·Published in The Journal of veterinary medical science·2015·School of Agriculture, Japan·View original on PubMed →
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Original publication title: Lipoprotein cholesterol and triglyceride concentrations associated with dog body condition score; effect of recommended fasting duration on sample concentrations in Japanese private clinics.
- Species:
- dog
Plain-English summary
A study looked at how fasting before blood tests affects cholesterol and triglyceride levels in overweight and obese dogs. It found that dogs fasting for 12 hours or more had lower triglyceride levels compared to those fasting for less than 8 hours. The research also showed that overweight dogs had higher levels of certain types of cholesterol and triglycerides than dogs at a healthy weight. As dogs aged, their cholesterol levels changed, with older dogs showing lower good cholesterol and higher triglycerides. This information can help pet owners understand the importance of fasting before blood tests for their dogs.
People also search for: dog cholesterol levels · why is my dog overweight · fasting before dog blood test
Abstract
The objectives of this study were to survey clinics' guidance about recommended fasting duration (FD) prior to lipoprotein analysis, and to characterize lipoprotein cholesterol and triglyceride concentrations in obese and overweight dogs categorized on the basis of the 5-point body condition score (BCS) scale. A dataset was created from lipoprotein analysis medical records of 1,538 dogs from 75 breeds in 354 clinics from 2012 to 2013. A phone survey was conducted to obtain the clinics' FD. Two-level linear mixed-effects models were applied to the data. Over 50% of the clinics said they recommended fasting for 12 hr or more. Dogs in clinics with FD 12 hr or more had lower chylomicron triglyceride concentrations than those in clinics with FD less than 8 hr (P=0.05). Mean (± SEM) BCS at sampling was 3.7 ± 0.02. Obese and overweight dogs had higher very low density lipoprotein (VLDL) and high density lipoprotein (HDL) cholesterol and triglyceride concentrations than ideal dogs (P<0.05), but no such difference was found for low density lipoprotein cholesterol and triglyceride concentrations (P≥0.07). Across all BCS, as dog age rose from 0 to 8 years old, HDL cholesterol concentrations decreased by 13.5 mg/dl, whereas VLDL triglyceride concentrations increased by 81.7 mg/dl (P<0.05). In conclusion, FD of 8 hr or less may affect lipoprotein lipid concentrations. Obese and overweight dogs were characterized as having high VLDL and HDL cholesterol and triglyceride concentrations.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/25866404/