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Table 1 Nutrient analysis of the experimental dietsa,b

From: Influence of protein concentration and quality in a canned diet on urine composition, apparent nutrient digestibility and energy supply in adult cats

  

Low protein quality

High protein quality

Analysed composition

 

36.7%

45.0%

56.1%

36.2%

43.3%

54.9%

Dry matter

g/kg

200

189

204

216

203

193

Crude protein

g/kg DM

367

450

561

362

433

549

Crude fat

g/kg DM

284

296

271

294

318

262

Crude fibrec

g/kg DM

3.14

7.05

10.5

6.75

4.46

6.78

Crude ash

g/kg DM

77.2

73.8

83.4

68.3

68.9

75.2

Ca

g/kg DM

11.2

11.4

12.6

10.7

11.2

11.8

P

g/kg DM

8.79

8.34

8.88

7.73

8.23

8.71

Na

g/kg DM

5.83

5.75

8.20

4.88

5.78

6.74

K

g/kg DM

11.1

9.35

12.4

8.75

8.58

8.67

Mg

g/kg DM

0.48

0.48

0.47

0.45

0.47

0.49

Ox

g/kg DM

0.25

0.28

0.32

0.32

0.34

0.35

Metabolisable energyd

MJ/kg DM

20.4

20.8

20.4

20.6

21.3

20.4

Nitrogen-free extracts

g/kg DM

269

173

74.7

269

176

107

  1. aIngredients in descending order (high protein quality diets): liver, meat, wheat flour, sunflower oil, blood meal, greaves meal, minerals, gelling and thickening agents, vitamins
  2. bIngredients in descending order (low protein quality diets): liver, trachea, wheat flour, meat, sunflower oil, greaves meal, blood meal, minerals, gelling and thickening agents, vitamins
  3. cAdditional analysis of total dietary fiber (TDF) revealed that the values were below the detection limit for all experimental diets. The analyses were performed according to the instructions of the manufacturer (Total Dietary Fiber Assay Kit, Megazyme u.c., Ireland)
  4. dCalculated according to NRC [22]