From: Factors affecting milk cortisol in mid lactating dairy cows
 |  | Farm |  |  |  |
---|---|---|---|---|---|
 |  | FA | FB | FC | FD |
Breed | Â | IS | IS | IH | IH |
Herd size | N | 330 | 283 | 347 | 427 |
Dairy animals | N | 180 | 139 | 185 | 231 |
First calving | N | 63 | 29 | 55 | 79 |
Lactating cows | N | 153 | 121 | 173 | 217 |
Cows > 70 | N | 122 | 105 | 159 | 195 |
Cows sampled | N | 27 | 33 | 36 | 39 |
 | % | 46 | 43 | 35 | 34 |
DIM | Mean | 126.7 | 141.4 | 151 | 145.8 |
 | sd | 33 | 33.8 | 33.1 | 28.5 |
Housing | Type | Free Stall | Free Stall | Free Stall | Free Stall |
Bedding | Type | Concrete | Straw | Concrete | Concrete |
Milking | Type | Parlour | Parlour | Parlour | Parlour |