National SPA Database Numbers

DATABASE BY HERD SIZE

HERD SIZE NUMBER OF EXPOSED FEMALES NUMBERS OF HERDS
Small <200 162
Medium 200-499 109
Large >499 117
Total >300,000 388



PREGNANCY RATE (%) BY COST QUARTILES

HERD SIZE LOW COST MEDIUM LOW COST MEDIUM HIGH COST HIGH COST AVG. STD. DEV.
Small 90.89 90.41 89.77 92.91 90.97 7.30
Medium 91.03 90.43 91.68 92.75 91.47 5.83
Large 85.63 91.13 92.45 90.52 89.43 5.03
All 88.70 90.71 91.2 91.91 90.63 6.05


CALVING RATE (%) BY COST QUARTILES

HERD SIZE LOW COST MEDIUM LOW COST MEDIUM HIGH COST HIGH COST AVG. STD. DEV.
Small 89.32 88.61 87.78 92.13 89.46 9.10
Medium 88.28 85.19 90.45 90.05 88.49 7.48
Large 81.0 87.59 89.74 86.75 86.27 6.20
All 86.67 87.35 89.12 89.89 88.27 8.25


WEANING RATE (%) BY COST QUARTILES

HERD SIZE LOW COST MEDIUM LOW COST MEDIUM HIGH COST HIGH COST AVG. STD. DEV.
Small 84.07 84.46 84.04 88.36 85.23 9.31
Medium 84.82 80.75 85.84 85.45 84.22 7.55
Large 77.81 84.31 85.38 83.12 82.66 6.60
All 82.39 83.37 84.95 85.93 84.16 8.34

POUNDS WEANED PER CALF (LBS/CALF)
BY COST QUARTILES

HERD SIZE LOW COST MEDIUM LOW COST MEDIUM HIGH COST HIGH COST AVG. STD. DEV.
Small 479 502 528 546 514 78.48
Medium 500 518 504 546 517 77.26
Large 481 495 503 515 499 60.90
All 485 505 514 536 510 78.48

POUNDS WEANED PER EXPOSED FEMALE (LBS/COW)

HERD SIZE LOW COST MEDIUM LOW COST MEDIUM HIGH COST HIGH COST AVG. STD. DEV.
Small 395 424 454 487 440 95.18
Medium 424 420 425 468 434 86.60
Large 371 419 445 428 416 76.20
All 396 421 443 463 431 88.80


FINANCIAL OPERATING COST ($/COW) BY QUARTILES

HERD SIZE LOW COST MEDIUM LOW COST MEDIUM HIGH COST HIGH COST AVG. STD. DEV.
Small 239 329 388 599 389 122.25
Medium 246 314 363 480 351 85.12
Large 212 282 347 453 324 54.50
All 233 311 366 520 357 100.69

FINANCIAL OPERATING COST
PER POUND WEANED ($/LBS)

HERD SIZE LOW COST MEDIUM LOW COST MEDIUM HIGH COST HIGH COST AVG.
Small 0.607 0.776 0.856 1.230 0.757
Medium 0.580 0.747 0.855 1.026 0.679
Large 0.572 0.674 0.780 1.058 0.649
All 0.588 0.737 0.826 1.123 0.701

TOTAL FINANCIAL COST ($/COW) BY QUARTILES

HERD SIZE LOW COST MEDIUM LOW COST MEDIUM HIGH COST HIGH COST AVG. STD. DEV.
Small 260 376 462 723 455 108.24
Medium 275 353 419 541 397 44.40
Large 217 309 377 511 353 41.60
All 251 349 424 606 408 92.21

TOTAL FINANCIAL COST PER POUND WEANED ($/LBS)

HERD SIZE LOW COST MEDIUM LOW COST MEDIUM HIGH COST HIGH COST AVG.
Small 0.660 0.887 1.018 1.484 1.035
Medium 0.648 0.840 0.986 1.156 0.955
Large 0.588 0.737 0.846 1.195 0.850
All 0.634 0.829 0.957 1.308 0.946

Last Updated: Fall 95

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