Table 1.
The welfare assessment systems used in this study.
| Abbreviation | Name of Protocol | Data Used | Refs. |
|---|---|---|---|
| WQ | Welfare Quality | Obtained on farm | |
| WQ Mod | Modified version of WQ | Similar to WQ | [11] |
| WI Tuyttens | Welfare Index | Based on WQ | [16] |
| WM | Welfare Monitor | Obtained on farm | [17] |
| WW | Welfare Indicator | Obtained on farm | * |
| CWM | Continuous Welfare Monitor | Various data bases | [7] |
| KK | Cow Compass | Obtained on farm | [8,12] |
| CCSS | Cow Comfort Scoring System | Obtained on farm | [15] |
| SSI | Stall Standing Index | Obtained on farm | ** |
| EV | Estimate Vets | Based on previous experience |
*: https://www.wur.nl/nl/show/Welzijnswijzer-Melkvee.htm (accessed on 12 March 2021); **: Also named Cow Comfort Index (CCI) https://www.progressivedairy.com/topics/barns-equipment/using-indices-to-assess-freestall-comfort (accessed on 12 March 2021).