Table 4.
Concentrations of macro and trace elements in alpaca colostrum during the four days postpartum, data are provided as median (1st quartile/3rd quartile), significant differences between the days are marked with different indices.
| Colostrum | Day 1 (n = 20) |
Day 2 (n = 20) |
Day 3 (n = 19) |
Day 4 (n = 18) |
|---|---|---|---|---|
| P [g/L] | 2.51 (2.01/2.96)a | 1.94 (1.77/2.01)b | 1.80 (1.63/1.91)b,c | 1.64 (1.55/1.75)c |
| Ca [g/L] | 1.96 (1.74/2.34)a | 1.55 (1.35/1.76)b | 1.60 (1.43/1.86)b | 1.48 (1.29/1.89)b |
| Mg [g/L] | 0.60 (0.47/0.66)a | 0.19 (0.17/0.32)b | 0.21 (0.15/0.27)b | 0.36 (0.29/0.39)b |
| Na [g/L] | 0.36 (0.29/0.39) | 0.37 (0.32/0.43) | 0.43 (0.36/0.64) | 0.40 (0.32/0.55) |
| K [g/L] | 1.28 (1.19/1.45) | 1.26 (1.10/1.52) | 1.34 (0.86/1.46) | 1.20 (0.93/1.32) |
| S [g/L] | 2.10 (1.86/2.34)a | 1.10 (0.92/1.45)b | 1.04 (0.92/1.54)b | 0.87 (0.74/1.45)b |
| Fe [mg/L] | 0.88 (0,74/1.03)a | 0.68 (0.58/0.81)b | 0.72 (0.59/0.90)a,b | 0.79 (0.64/0.95)a,b |
| Cu [mg/L] | 0.48 (0.43/0.62)a | 0.49 (0.41/0.73)a | 0.64 (0.49/0.73)a,b | 0.78 (0.51/1.15)b |
| Zn [mg/L] | 7.20 (5.76/9.43)a | 5.62 (4.90/6.20)b | 3.83 (3.12/5.32)b | 3.41 (2.70/3.86)c |
| Se [µg/L] | 189 (125/304)a | 104 (80.8/129)b | 113 (78.6/158)b | 87.1 (69.1/127)b |
| Sr [mg/L] | 1.78 (1.14/1.97)a | 1.12 (1.02/1.42)a,b | 1.14 (1.01/1.48)a,b | 1.07 (0.81/1.45)b |
| Mo [µg/L] | 9.35 (6.55/13.4) | 7.40 (5.00/12.2) | 8.70 (6.8/18.4) | 7.50 (3.50/14.8) |
| Ba [µg/L] | 1006 (594/1255)a | 658 (417/788)a,b | 661 (434/885)a,b | 431 (349/985)b |
| Al [µg/L] | 29.0 (23.1/60.6) | 44.2 (34.5/75.7) | 52.8 (33.9/69.3) | 38.6 (24.4/57.4) |
| Co [µg/L] | 6.76 (4.08/9.66)a | 1.92 (1.61/3.30)b | 2.12 (0.93/3.12)b | 0.85 (0.66/2.88)b |
| Ni [µg/L] | 8.42 (7.51/9.74)a | 6.53 (5.60/7.58)b | 6.86 (6.60/8.31)a,b | 6.12 (5.59/8.14)b |
| Tl [µg/L] | 0.14 (0.13/0.21) | 0.12 (0.09/0.19) | 0.09 (0.06/0.14) | 0.08 (0.05/0.11) |
| Pb [µg/L] | 0.97 (0.48/2.01) | 1.23 (0.82/1.56) | 0.98 (0.74/1.43) | 1.00 (0.78/1.60) |
| U [µg/L] | 0.01 (0.01/ 0.04) | 0.08 (0.04/0.13) | 0.06 (0.01/0.23) | 0.04 (0.02/0.10) |
| Cd [µg/L] | 0.10 (0.00/0.16) | 0.07 (0.00/0.17) | 0.06 (0.01/0.23) | 0.05 (0.00/0.15) |
| Sn [µg/L] | 0.80 (0.40/1.39) | 0.60 (0.42/1.11) | 0.83 (0.51/1.93) | 0.82 (0.49/1.54) |
| As [µg/L] | 0.65 (0.48/0.81) | 0.60 (0.48/0.75) | 0.70 (0.55/0.95) | 0.55 (0.45/0.85) |
| Mn [µg/L] | 15.2 (8.93/22.1) | 19.3 (12.5/27.7) | 17.7 (11.6/24.2) | 17.3 (10.8/28.3) |
| B [µg/L] | 171 (139/213) | 147 (105/194) | 143 (116/187) | 164 (128/197) |
| Li [µg/L] | 1.64 (0.82/3.24) | 1.48 (0.78/2.87) | 1.33 (0.71/1.96) | 1.35 (0.49/2.56) |