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 8.09
Milk (kg) -98.00 -0.014 1.37
Fat (kg) -6.64 -0.375 2.49
Prot (kg) -9.59 -0.441 4.23
Fertility Sub Index -1.31
Calving Interval (days) 0.70 -1.459 -1.02
Survival (%) -0.26 1.117 -0.29
Calving Sub Index 0.18
Gestation Length (days) -0.20 -0.919 0.18
Beef Sub Index -2.60
Carcass Weight (kg) 2.80 -0.528 -1.48
Age of Slaughter (days) 2.59 -0.432 -1.12
Maintenance Sub Index Maint. Sub Index -1.87
Live WT (kg) 6.10 -0.307 -1.87
Total Carbon Sub Index 2.49

* Based on an €80/tonne carbon price