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 13.71
Milk (kg) -181.00 -0.014 2.53
Fat (kg) -14.08 -0.375 5.27
Prot (kg) -13.37 -0.441 5.90
Fertility Sub Index -1.40
Calving Interval (days) 0.13 -1.459 -0.19
Survival (%) -1.08 1.117 -1.21
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.38
Carcass Weight (kg) 0.70 -0.528 -0.37
Age of Slaughter (days) 0.03 -0.432 -0.01
Maintenance Sub Index Maint. Sub Index 0.21
Live WT (kg) -0.70 -0.307 0.21
Total Carbon Sub Index 11.67

* Based on an €80/tonne carbon price