Page 509 - Small Animal Clinical Nutrition 5th Edition

Obesity 525

VetBooks.ir Table 27-8. Levels of key nutritional factors in selected commercial foods marketed for calorie-restricted weight loss in cats compared to

recommended levels.*
Dry foods Energy Energy
density density Fat Fiber Prot Carb Carn Vit E Vit C Se Na P
(kcal/cup)** (kcal ME/g) (%) (%) (%) (%) (ppm) (IU/kg) (mg/kg) (mg/kg) (%) (%)
Recommended
levels - ≤3.4 ≤10 15-20 ≥35 ≤35 ≥500 ≥500 100-200 0.5-1.3 0.2-0.6 0.5-0.8
Hill’s Prescription Diet
r/d Feline 263 3.3 9.3 13.6 36.9 33.5 538.6 614 80 0.66 0.35 0.81
Hill’s Prescription Diet
r/d with Chicken Feline 266 3.4 9.8 13.8 37.7 32.2 556.3 716 120 0.70 0.35 0.84
Iams Veterinary Formula
Weight Control D/ 326 3.8 12.2 1.5 38.6 41.2 na na na na 0.39 1.01
Optimum Weight Control
Iams Veterinary Formula
Weight Loss/Restricted- 268 3.7 11.0 2.5 35.2 44.5 na na na na 0.37 0.92
Calorie
Medi-Cal Calorie Control 230 na 9.7 5.1 43.5 na na na na na 0.8 1.3
Medi-Cal Fibre Formula 280 na 12.2 14.9 34.2 na na na na na 0.5 0.8
Medi-Cal Reducing Formula 250 na 9.6 5.2 41.8 na na na na na 0.3 1.2
Purina Veterinary Diets
OM Overweight 321 3.6 8.5 5.6 56.2 22.4 na 693 116 na 0.57 1.19
Management Feline
Formula
Royal Canin Veterinary
Diet Calorie Control 251 3.3 10.2 14.0 33.5 34.5 na 1,065 na 0.32 0.51 0.81
CC 29 High Fiber
Royal Canin Veterinary
Diet Calorie Control 235 3.7 10.2 4.2 43.5 31.5 na 1,124 na 0.38 0.70 1.40
CC 38 High Protein
Moist foods Energy Energy
density density Fat Fiber Prot Carb Carn Vit E Vit C Se Na P
(kcal/can)** (kcal ME/g) (%) (%) (%) (%) (ppm) (IU/kg) (mg/kg) (mg/kg) (%) (%)
Recommended
levels - ≤3.4 ≤10 15-20 ≥35 ≤35 ≥500 ≥500 100-200 0.5-1.3 0.2-0.6 0.5-0.8
Hill’s Prescription Diet
r/d with Liver & 114/5.5 oz. 3.1 9.2 15.4 37.5 31.3 512.5 746 108 1.67 0.29 0.62
Chicken Feline
Iams Veterinary Formula
Weight Loss/Restricted- 172/6 oz. 4.3 15.5 1.7 44.2 32.3 na na na na 0.43 0.86
Calorie
Medi-Cal Calorie Control 99/165 g na 26.0 1.3 49.6 na na na na na 1.9 1.6
Medi-Cal Fibre Formula 130/170 g na 17.1 16.7 40.0 na na na na na 0.4 0.9
Medi-Cal Reducing 111/170 g na 27.2 1.3 54.3 na na na na na 1.0 1.6
Formula
Purina Veterinary Diets
OM Overweight 150/5.5 oz. 3.9 14.6 10.2 44.6 23.2 na na na na 0.31 0.99
Management Feline
Formula
Royal Canin Veterinary
Diet Calorie Control 164/6 oz. 4.1 21.3 7.7 33.5 32.5 na 276 na 0.43 0.38 0.81
CC High Fiber
Royal Canin Veterinary
Diet Calorie Control 130/5.8 oz. 4.7 24.4 2.4 53.5 7.0 na 562 na na 1.50 1.68
CC High Protein
Key: ME = metabolizable energy, na = information not available from manufacturer, Fiber = crude fiber, Prot = protein, Carb = digestible
carbohydrate, Carn = L-carnitine, Se = selenium, Na = sodium, P = phosphorus, g = grams.
*From manufacturers’ published information or calculated from manufacturers’ published as-fed values.
**Energy density values are listed on an as fed basis and are useful for determining the amount to feed; cup = 8-oz. measuring cup.
To convert to kJ, multiply kcal by 4.184.

CALCULATION BASED ON ESTIMATED IDEAL tissue in obese pets requires relatively little energy; therefore,
WEIGHT most calories consumed by an overweight patient, regardless of
A second method also depends on an estimate of the the degree of obesity, are used to support lean body tissues.
patient’s ideal weight (Table 27-12) but requires a few simple Although the lean body mass of an overweight patient is
calculations. Pets at ideal body weight in a thermoneutral envi- greater than the lean body mass of the same patient at its opti-
ronment will typically expend about 70% of their DER for mal weight, the relationship is not linear. This method, then,
maintenance of lean body tissue (RER). Maintaining adipose assumes the RER for the optimal weight and RER for obese