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 1.32
Milk (kg) -75.00 -0.014 1.05
Fat (kg) 0.24 -0.375 -0.09
Prot (kg) -0.81 -0.441 0.36
Fertility Sub Index -2.48
Calving Interval (days) 1.36 -1.459 -1.98
Survival (%) -0.44 1.117 -0.49
Calving Sub Index -0.09
Gestation Length (days) 0.10 -0.919 -0.09
Beef Sub Index -0.07
Carcass Weight (kg) 1.00 -0.528 -0.53
Age of Slaughter (days) -1.06 -0.432 0.46
Maintenance Sub Index Maint. Sub Index 1.84
Live WT (kg) -6.00 -0.307 1.84
Total Carbon Sub Index 0.51

* Based on an €80/tonne carbon price