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 13.49
Milk (kg) -185.00 -0.014 2.59
Fat (kg) -17.64 -0.375 6.61
Prot (kg) -9.73 -0.441 4.29
Fertility Sub Index 6.87
Calving Interval (days) -4.43 -1.459 6.46
Survival (%) 0.36 1.117 0.40
Calving Sub Index 1.46
Gestation Length (days) -1.59 -0.919 1.46
Beef Sub Index -0.57
Carcass Weight (kg) 1.00 -0.528 -0.53
Age of Slaughter (days) 0.09 -0.432 -0.04
Maintenance Sub Index Maint. Sub Index 2.24
Live WT (kg) -7.30 -0.307 2.24
Total Carbon Sub Index 23.49

* Based on an €80/tonne carbon price