Apparent digestibility of feed phosphates*

Pigs

MCP

MDCP

DCP.2H2O

DCP.0H2O

DFP

Grimbergen et. Al., 1985

90-82

 

72-70

64

 

Mulder and Jongbloed, 1985

83-76

   

65

 

Vandertol, 1987

76

 

65

 

76

Beers et al., 1993

69

72-74

   

73-74

Rodehutscord et al., 1994

91

   

87

 

Damgaard Poulsen, 1995

64

72-65

59

52

50

Eeckhout and De Paepe, 1995

92

 

73

63

 
 

Poultry

Simons and van der Klis, 1990-1994

84-76

79

77

53

55

Huyghebaert and De Groote, 1996

85

 

83

70

 
           

*products from different origins 

Relative availability of commercial dicalcium phosphates

Sample

Ca content %

P content %

Relative P availability

1

21.8

18.8

100.7

2

20.6

19.0

87.6

3

21.4

19.0

77.2

4

20.4

19.1

85.7

5

24.0

18.5

78.9

6

22.2

18.4

75.1

7

23.0

18.6

87.4

8

23.0

19.0

76.3

9

21.2

18.9

106.3

10

20.8

18.9

98.6

11

20.0

19.0

94.1

12

20.6

18.7

93.1

13

22.2

18.0

104.8

14

22.8

17.7

104.0

15

18.1

18.8

96.0

16

18.8

20.1

95.1

17

20.4

19.0

81.8

18

21.4

18.8

77.7

19

20.6

19.1

91.7

20

20.8

18.9

95.6

Reference phosphate

18.1

20.6

100

Source: Waibel et al., 1984, Poultry Science 44:1302-1306