Herd A | Herd B | |||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2 weeks | 4 weeks | 12 weeks | 2 weeks | 4 weeks | 12 weeks | |||||||||||||
AB treated | All | – | + | All | – | + | All | – | + | All | – | + | All | – | + | All | – | + |
Gender | NS | NS | NS | ** | ** | NS | ||||||||||||
Female | 233 | 207 | 26 | 234 | 191 | 43 | 212 | 178 | 34 | 170 | 167 | 3 | 168 | 163 | 5 | 158 | 146 | 12 |
Barrow | 230 | 207 | 23 | 223 | 180 | 43 | 203 | 155 | 48 | 182 | 167 | 15 | 181 | 163 | 18 | 171 | 152 | 19 |
IUGRa at birth | NS | NS | NS | NS | NS | NS | ||||||||||||
Yes | 26 | 22 | 4 | 27 | 21 | 6 | 23 | 20 | 3 | 18 | 17 | 1 | 18 | 17 | 1 | 16 | 15 | 1 |
No | 437 | 392 | 45 | 430 | 350 | 80 | 392 | 313 | 79 | 334 | 317 | 17 | 331 | 309 | 22 | 313 | 283 | 30 |
BiWa | NS | * | NS | NS | NS | NS | ||||||||||||
< 1 kg | 95 | 83 | 12 | 93 | 68 | 25 | 79 | 59 | 20 | 38 | 35 | 3 | 38 | 34 | 4 | 36 | 32 | 4 |
1–1.6 kg | 296 | 267 | 29 | 290 | 241 | 49 | 264 | 214 | 50 | 241 | 232 | 9 | 239 | 227 | 12 | 225 | 206 | 19 |
> 1.6 kg | 63 | 56 | 7 | 62 | 54 | 8 | 62 | 53 | 9 | 66 | 60 | 6 | 65 | 58 | 7 | 61 | 53 | 8 |
BWa 2 weeks | ** | ** | ** | NS | NS | NS | ||||||||||||
< 2.7 kg | 54 | 39 | 15 | 50 | 29 | 21 | 38 | 25 | 13 | 69 | 65 | 4 | 68 | 62 | 6 | 65 | 57 | 8 |
2.7–4.5 kg | 314 | 278 | 36 | 300 | 249 | 51 | 277 | 221 | 56 | 207 | 196 | 11 | 206 | 192 | 14 | 190 | 172 | 18 |
> 4.5 kg | 97 | 92 | 5 | 96 | 87 | 9 | 92 | 82 | 9 | 55 | 53 | 2 | 54 | 53 | 1 | 53 | 51 | 2 |
BW 4 weeks | ** | ** | NS | NS | ||||||||||||||
< 4.5 kg | – | – | – | 62 | 31 | 31 | 55 | 22 | 33 | – | – | – | 24 | 21 | 3 | 22 | 17 | 5 |
4.5–7.2 kg | – | – | – | 265 | 225 | 40 | 241 | 202 | 39 | – | – | – | 270 | 253 | 17 | 255 | 234 | 21 |
> 7.2 kg | – | – | – | 82 | 77 | 5 | 79 | 74 | 5 | – | – | – | 39 | 38 | 1 | 37 | 34 | 3 |
BW 12 weeks | ** | NS | ||||||||||||||||
< 23 kg | – | – | – | – | – | – | 54 | 33 | 21 | – | – | – | – | – | 58 | 50 | 8 | |
23–36 kg | – | – | – | – | – | – | 248 | 202 | 46 | – | – | – | – | – | 227 | 207 | 20 | |
> 36 kg | – | – | – | – | – | – | 104 | 93 | 11 | – | – | – | – | – | 38 | 35 | 3 | |
Sow parity | NS | NS | NS | * | * | NS | ||||||||||||
1 | 50 | 43 | 7 | 48 | 38 | 10 | 44 | 34 | 10 | 41 | 35 | 6 | 40 | 34 | 6 | 37 | 30 | 7 |
> 1 | 413 | 371 | 42 | 406 | 332 | 74 | 368 | 298 | 70 | 311 | 299 | 12 | 309 | 292 | 17 | 292 | 268 | 24 |
Total born piglets (sow) | NS | NS | NS | ** | * | * | ||||||||||||
< 19 | 70 | 62 | 8 | 69 | 57 | 12 | 65 | 52 | 13 | 22 | 17 | 5 | 21 | 16 | 5 | 20 | 15 | 5 |
19–25 | 232 | 213 | 19 | 229 | 194 | 35 | 211 | 177 | 34 | 234 | 226 | 8 | 233 | 222 | 11 | 224 | 210 | 14 |
> 25 | 99 | 83 | 16 | 97 | 71 | 26 | 83 | 62 | 21 | 81 | 78 | 3 | 80 | 76 | 4 | 71 | 62 | 9 |
Transfers between sows | NS | NS | ||||||||||||||||
0 | – | – | – | 184 | 151 | 33 | – | – | – | – | – | – | 21 | 20 | 1 | – | – | – |
1 | – | – | – | 265 | 214 | 51 | – | – | – | – | – | – | 101 | 92 | 9 | – | – | – |
2 | – | – | – | 8 | 6 | 2 | – | – | – | – | – | – | 175 | 163 | 12 | – | – | – |
3 | – | – | – | – | – | – | – | – | – | – | – | – | 44 | 44 | 0 | – | – | – |
4 | – | – | – | – | – | – | – | – | – | – | – | – | 8 | 7 | 1 | – | – | – |
Transfers in weaner unit | * | NS | ||||||||||||||||
0 | – | – | – | – | – | – | 246 | 208 | 38 | – | – | – | – | – | – | 92 | 83 | 9 |
1 | – | – | – | – | – | – | 90 | 71 | 19 | – | – | – | – | – | – | 66 | 58 | 8 |
2 | – | – | – | – | – | – | 67 | 44 | 23 | – | – | – | – | – | – | 130 | 120 | 10 |
3 | – | – | – | – | – | – | 12 | 10 | 2 | – | – | – | – | – | – | 36 | 32 | 4 |
4 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 5 | 5 | 0 |