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 7.34
Milk (kg) -173.00 -0.014 2.42
Fat (kg) -4.21 -0.375 1.58
Prot (kg) -7.58 -0.441 3.35
Fertility Sub Index -3.53
Calving Interval (days) 2.08 -1.459 -3.03
Survival (%) -0.44 1.117 -0.49
Calving Sub Index -0.42
Gestation Length (days) 0.46 -0.919 -0.42
Beef Sub Index 0.00
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 2.08 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 0.67
Live WT (kg) -2.20 -0.307 0.67
Total Carbon Sub Index 4.07

* Based on an €80/tonne carbon price