Table 7.
Effect of calcium and non-phytate phosphorus (nPP) on the apparent ileal digestibility (AID) of calcium and phosphorus and normalised relative abundance of transporter mRNA and protein at day 33
(Least-square mean values and pooled standard errors)
Dietary treatments*… | HHHH | HLHL | LHHL | LLHL | sem | P |
---|---|---|---|---|---|---|
n | 8 | 8 | 8 | 8 | ||
Ca AID (%) | 23⋅84 | 24⋅19 | 17⋅71 | 19⋅37 | 8⋅32 | 0⋅347 |
P AID (%) | 39⋅27 | 39⋅74 | 37⋅11 | 38⋅54 | 7⋅62 | 0⋅918 |
mRNA expression | ||||||
n | 12 | 12 | 12 | 12 | ||
Calb1 | 1⋅28 | 1⋅42 | 1⋅48 | 1⋅49 | 0⋅40 | 0⋅496 |
ATP2B1 | 0⋅89 | 1⋅14 | 1⋅63 | 1⋅21 | 0⋅58 | 0⋅553 |
SLC8A1 | 0⋅43 | 0⋅42 | 0⋅79 | 0⋅54 | 0⋅23 | 0⋅398 |
SLC34A2 | 0⋅51 | 0⋅43 | 0⋅65 | 0⋅67 | 0⋅38 | 0⋅188 |
SLC20A1 | 0⋅93 | 0⋅61 | 0⋅91 | 0⋅61 | 0⋅25 | 0⋅072 |
Protein expression | ||||||
n | 6 | 6 | 6 | 6 | ||
Calb1 | 1⋅07 | 0⋅85 | 1⋅03 | 1⋅22 | 0⋅73 | 0⋅451 |
SLC20A1 | 0⋅70 | 0⋅92 | 1⋅46 | 1⋅35 | 0⋅82 | 0⋅373 |
H, high nPP and Ca; L, low nPP and Ca.
* See Table 2.