Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 9.83
Milk (kg) -234.00 -0.014 3.28
Fat (kg) -7.29 -0.375 2.73
Prot (kg) -8.67 -0.441 3.83
Fertility Sub Index 6.58
Calving Interval (days) -4.15 -1.459 6.06
Survival (%) 0.47 1.117 0.53
Calving Sub Index 0.31
Gestation Length (days) -0.34 -0.919 0.31
Beef Sub Index 0.97
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 1.41 -0.432 -0.61
Maintenance Sub Index Maint. Sub Index 2.79
Live WT (kg) -9.10 -0.307 2.79
Total Carbon Sub Index 20.49

* Based on an €80/tonne carbon price