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Table 5 Amount of faeces, dry matter (DM) of the faeces and crude protein (CP) and mineral concentrations in the faeces of cats fed diets with varying protein concentrations and qualities. n = 10 / diet, Mean and SEM

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

    

P values (polynomial contrasts)

 

Low protein quality

High protein quality

SEM

Interaction

Low protein quality

High protein quality

Protein concentration

Protein quality

 

36.7%

45.0%

56.1%

36.2%

43.3%

54.9%

  

Lin.

Quadr.

Lin.

Quadr.

Lin.

Quadr.

 

Amount of faeces (g/kg body weight/day)

2.85

3.86

3.58

2.79

2.83

3.77

0.17

0.054

0.026

0.688

0.206

DM of the faeces (%)

33.8

33.5

35.1

40.9

37.5

36.0

0.98

0.796

0.339

0.984

0.012

Amount of faeces (g DM/kg body weight/day)

0.93

1.22

1.20

1.01

1.03

1.30

0.04

0.143

0.023

0.767

0.907

Faecal concentration (mg/g DM)

 CP

453

495

460

407

445

480

6.27

0.111

0.001

0.407

0.084

 Ca

80.0

74.3

91.1

91.6

91.1

89.0

2.52

0.496

0.195

0.640

0.339

 P

35.9

36.1

40.0

42.5

43.3

42.0

0.88

0.441

0.262

0.885

0.013

 Mg

3.81

3.78

3.48

4.06

4.07

3.79

0.06

0.792

0.042

0.161

0.010

 K

3.40

3.22

2.56

3.06

2.47

2.46

0.11

0.460

0.020

0.249

0.049

 Na

3.30

3.28

3.20

2.26

2.62

2.87

0.14

0.978

0.160

0.944

0.002

 Ox

0.84

0.78

0.79

0.96

0.83

0.75

0.02

0.141

<0.001

0.518

0.217