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 2.36
Milk (kg) -60.00 -0.014 0.84
Fat (kg) -3.10 -0.375 1.16
Prot (kg) -0.82 -0.441 0.36
Fertility Sub Index -0.90
Calving Interval (days) 1.36 -1.459 -1.98
Survival (%) 0.97 1.117 1.08
Calving Sub Index -0.45
Gestation Length (days) 0.49 -0.919 -0.45
Beef Sub Index -1.87
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 7.87 -0.432 -3.40
Maintenance Sub Index Maint. Sub Index 6.04
Live WT (kg) -19.70 -0.307 6.04
Total Carbon Sub Index 5.19

* Based on an €80/tonne carbon price