Small Animal Internal Medicine

Research Abstract

NM06 - Nutrient-Enriched Water Enhances total Water Intake and Hydration in Dogs

Thursday, June 14
3:00 PM - 3:15 PM
Location: WSCC 307/308

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Water intake and hydration were evaluated in healthy dogs offered a nutrient-enriched water (NW) supplement while fed a maintenance dry food to maintain BW with ad libitum tap water (TW) in a bucket. Baseline (day -7) urine specific gravity (USG) was analyzed in Beagles (N = 30; 2-11 years) and 16 were selected with ≥ 1.015 USG, then equally divided into 2 groups balanced for USG. Groups received either TW or NW (containing whey protein, poultry flavoring, and glycerol) in a bowl for 56 days. Dose for each dog was 0.5:1 water-to-calorie ratio (mL:kcal ME/d) from days 1-49 and 2:1 mL:kcal ME/d for days 50-56 based on baseline calorie intake. Food calorie and total liquid intake (TLI; g/d; sum of NW or TW in a bowl and bucket water) recorded daily and used to calculate weekly mean intake amounts. USG was measured on days -7, 14, 42, 56. Linear mixed effects models were performed with main effects of treatment, time, and time-by-treatment interaction. Calorie intake was not different (P > 0.49). A time-by-treatment interaction was significant (P = 0.07) versus baseline. A significant (P < 0.01) on days 42 (1.018 g/mL) and 56 (1.014 g/mL) versus baseline (1.026 g/mL). This study indicates that all dogs offered the NW supplement, while having free access to TW, increased their TLI and produced a more dilute urine, which suggests an improvement in overall hydration.

Brian Zanghi, PhD

Senior Research Nutritionist
Nestle Purina PetCare

Brian M. Zanghi, PhD, MS
Senior Research Scientist
Nestle Research Center
Nestle Purina Petcare
One Checkerboard Square
St. Louis, MO 63164

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NM06 - Nutrient-Enriched Water Enhances total Water Intake and Hydration in Dogs

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