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Table 9 Effects of supplementing branched-chain amino acids (BCAAs) to the diets of sows on the composition of free amino acids in their milk during lactation

From: Dietary supplementation with branched-chain amino acids enhances milk production by lactating sows and the growth of suckling piglets

Variable Control 1.535% BCAA 3.07% BCAA Pooled SEM P-value
d 3 d 15 d 29 d 3 d 15 d 29 d 3 d 15 d 29 Treatment Day T × D1
Ala 235 511 635 279 597 730 301 609 663 50 0.025 < 0.01 0.682
Arg 36 64 72 52 73 91 54 87 109 6.7 < 0.01 < 0.01 0.220
Asn 29 108 227 46 132 259 51 141 267 11 < 0.01 < 0.01 0.829
Asp 158 462 480 192 526 593 313 546 639 30 < 0.01 < 0.01 0.075
β-Ala 15 30 41 15 30 45 15 28 41 2.6 0.534 < 0.01 0.634
Cit 6.8 38 46 18 49 68 31 59 78 4.7 < 0.01 < 0.01 0.302
Cys2 116 192 362 120 199 358 123 204 370 19 0.706 < 0.01 0.994
Gln 326 1060 3517 439 1170 4025 472 1210 4196 112 < 0.01 < 0.01 0.024
Glu 366 1010 991 419 1140 1070 447 1200 1190 43 < 0.01 < 0.01 0.261
Gly 294 812 1180 307 830 1240 358 843 1300 57 0.096 < 0.01 0.844
His 787 682 436 769 689 465 824 688 486 35 0.269 < 0.01 0.737
Ile 5.2 17 21 14 31 38 29 43 52 3.7 < 0.01 < 0.01 0.546
Leu 23 43 51 52 77 93 64 85 103 8.1 < 0.01 < 0.01 0.772
Lys 32 52 68 35 66 86 50 66 85 4.5 < 0.01 < 0.01 0.063
Met 2.9 20 23 4.2 21 28 4.2 22 28 2.2 0.059 < 0.01 0.448
Orn 29 45 64 30 48 67 30 52 58 3.9 0.548 < 0.01 0.178
Phe 20 35 38 25 36 39 27 38 40 2.8 0.040 < 0.01 0.776
Pro 34 82 114 46 115 147 49 123 168 12 < 0.01 < 0.01 0.195
Ser 45 221 403 51 231 474 63 238 381 18 0.012 < 0.01 < 0.001
Tau 1020 1280 1410 1110 1290 1430 1230 1290 1490 99 0.212 < 0.01 0.722
Thr 86 133 426 89 140 437 85 145 420 23 0.862 < 0.01 0.962
Trp 3.6 11 17 5.3 12 21 5.7 12 19 1.1 0.012 < 0.01 0.378
Tyr 35 63 75 42 63 76 49 66 79 5.7 0.114 < 0.01 0.690
Val 54 108 134 96 132 160 149 166 229 13 < 0.01 < 0.01 0.150
  1. Values, expressed as μmol/L of whole milk, are means with pooled SEM, n = 10 sows/treatment group
  2. Data were analyzed by two-way ANOVA
  3. 1Treatment (T), Day (D), and Treatment × Day (T × D) interaction; 2cysteine + 1/2 cystine