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The Relationship Between Canine Nasal Length And Second-Hand Smoke Cotinine Levels, Sierra Wilson, Terry Derting
The Relationship Between Canine Nasal Length And Second-Hand Smoke Cotinine Levels, Sierra Wilson, Terry Derting
Scholars Week
Second-hand smoke (SHS) has been associated with respiratory cancers in canines, with the predisposed locations determined by the cephalic ratio (head length / head width). Exposure to SHS is frequently measured by analyzing urine or blood samples for the nicotine by-product cotinine. We investigated the suitability of saliva as an alternative source for cotinine analyses in dogs because obtaining saliva is less invasive and cotinine concentrations from SHS exposure are instantaneously measurable in saliva compared to other collection methods. Specifically, we tested for a quantitative relationship between cephalic ratio and the salivary concentration of cotinine. Our null hypothesis was that …