Table 1.
The table shows the prevalence and etiology of RFM (the number of answers in each class is shown in parentheses).
| RFM definition (h) (682) | <6 | 12 | 24 | >24 | ||
| 5.4 | 38.9 | 48.4 | 7.3 | |||
| Speculation concerned (556) | No difference | Dairy | Beef | |||
| 76.1 | 10.3 | 13.6 | ||||
| Estimated prevalence | <5% | 5–10% | 11–15% | >15% | I don’t know | |
| Dairy (609) | 22.0 | 46.6 | 17.1 | 4.3 | 10.0 | |
| Beef (563) | 49.9 | 26.8 | 5.2 | 0.9 | 17.2 | |
| Suspected etiology | Male calf | C-section | BCS < 3 | Dead calf | Dystocia | BCS > 4 |
| Dairy | 3.8 (184) | 9.1 (241) | 15.3 (249) | 25.8 (314) | 26.8 (351) | 30.0 (350) |
| Beef | 3.8 (185) | 14.4 (284) | 9.7 (236) | 24.4 (324) | 26.4 (349) | 18.0 (272) |
| Induction | Lack | Excess | Twinning | Abortion | ||
| Dairy | 34.0 (306) | 35.0 (363) | 36.2 (348) | 48.6 (562) | 59.0 (551) | |
| Beef | 36.0 (297) | 36.0 (367) | 25.3 (288) | 47.1 (501) | 59.8 (527) |
% of veterinarians who chose the factor as the primary cause. Excess: excess of minerals before calving; Lack: lack of trace elements before calving; BCS: body condition score.