From: Amino acid nutrition and metabolism in domestic cats and dogs
AAs | Dogsa | Cats | Pigs | ||||||
---|---|---|---|---|---|---|---|---|---|
< 2 wk of age (n = 7) | 2 wk to 2 mo of age (n = 7) | 12 to 60 mo of age (n = 7) | > 60 mo of age (n = 8) | Young kittensc (n = 8) | Adultsd (n = 120) | 4 d of agee (n = 10) | 2.5 mo of agef (n = 8) | 18 mo of ageg (n = 8) | |
Ala | 315 ± 46 | 296 ± 180 | 400 ± 129 | 332 ± 162 | 603 ± 62 | 462 ± 160 | 1049 ± 478 | 596 ± 91 | 352 ± 58 |
Arg | 278 ± 80 | 245 ± 101 | 103 ± 29 | 104 ± 36 | – | 95 ± 38 | 163 ± 63 | 159 ± 45 | 165 ± 19 |
Asn | 121 ± 43 | 121 ± 48 | 52 ± 16 | 47 ± 10 | – | 91 ± 25 | 118 ± 28 | 62 ± 8 | 66 ± 10 |
Asp | 19 ± 9 | 11 ± 3 | trace | trace | – | 28 ± 12 | 25 ± 9 | 13 ± 6 | 12 ± 5 |
Cit | 88 ± 39 | 107 ± 45 | 34 ± 10 | 38 ± 12 | – | 18 ± 6 | 89 ± 25 | 64 ± 6 | 60 ± 8 |
Cysh | 42 ± 38 | 56 ± 36 | 32 ± 22 | 42 ± 26 | – | 26 ± 9 | 165 ± 33g | 173 ± 12 | 170 ± 23 |
Gln | 564 ± 174 | 461 ± 139 | 593 ± 175 | 658 ± 213 | – | 664 ± 134 | 469 ± 120 | 513 ± 79 | 491 ± 59 |
Glu | 112 ± 82 | 73 ± 32 | 35 ± 8 | 38 ± 12 | – | 73 ± 38 | 156 ± 63 | 172 ± 40 | 92 ± 15 |
Gly | 283 ± 85 | 364 ± 107 | 181 ± 61 | 171 ± 42 | – | 398 ± 279 | 824 ± 237 | 664 ± 62 | 688 ± 81 |
His | 140 ± 45 | 85 ± 28 | 66 ± 13 | 65 ± 15 | – | 116 ± 24 | 114 ± 47 | 103 ± 20 | 97 ± 16 |
Ile | 83 ± 24 | 70 ± 23 | 67 ± 21 | 63 ± 18 | 51 ± 8 | 63 ± 29 | 159 ± 57 | 112 ± 28 | 104 ± 15 |
Leu | 212 ± 39 | 147 ± 69 | 142 ± 34 | 135 ± 48 | 91 ± 14 | 146 ± 49 | 186 ± 51 | 246 ± 42 | 196 ± 18 |
Lys | 275 ± 68 | 195 ± 121 | 149 ± 46 | 191 ± 55 | – | 108 ± 61 | 223 ± 82 | 88 ± 48 | 103 ± 35 |
Met | 52 ± 33 | 73 ± 20 | 46 ± 15 | 52 ± 16 | 116 ± 51 | 64 ± 28 | 100 ± 51 | 35 ± 6 | 47 ± 6 |
Orn | 85 ± 31 | 43 ± 16 | 19 ± 9 | 17 ± 7 | – | 21 ± 12 | 107 ± 38 | 85 ± 17 | 82 ± 20 |
Phe | 60 ± 13 | 64 ± 25 | 61 ± 14 | 63 ± 18 | 72 ± 11 | 70 ± 15 | 117 ± 35 | 87 ± 11 | 89 ± 14 |
Pro | 389 ± 106 | 290 ± 105 | 145 ± 61 | 114 ± 15 | – | 258 ± 76 | 628 ± 373 | 395 ± 59 | 382 ± 50 |
Ser | 241 ± 40 | 262 ± 91 | 123 ± 28 | 138 ± 31 | – | 179 ± 85 | 267 ± 123 | 153 ± 45 | 157 ± 38 |
Taurine | – | – | – | 77 ± 24b | – | 118 ± 55 | 169 ± 57 | 56 ± 17 | 60 ± 21 |
Thr | 523 ± 245 | 250 ± 151 | 196 ± 63 | 157 ± 50 | 168 ± 51 | 173 ± 54 | 369 ± 145 | 89 ± 45 | 93 ± 32 |
Trp | 66 ± 27 | 55 ± 15 | 69 ± 27 | 54 ± 17 | – | 60 ± 17 | 38 ± 19 | 47 ± 8 | 45 ± 9 |
Tyr | 88 ± 31 | 54 ± 24 | 48 ± 7 | 43 ± 8 | 36 ± 8 | 57 ± 15 | 242 ± 73 | 105 ± 17 | 112 ± 24 |
Val | 248 ± 42 | 200 ± 83 | 199 ± 43 | 199 ± 63 | 131 ± 34 | 164 ± 62 | 350 ± 114 | 280 ± 37 | 216 ± 31 |