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 16.50
Milk (kg) -257.00 -0.014 3.60
Fat (kg) -21.32 -0.375 7.99
Prot (kg) -11.14 -0.441 4.92
Fertility Sub Index 2.67
Calving Interval (days) -1.72 -1.459 2.51
Survival (%) 0.14 1.117 0.16
Calving Sub Index -1.83
Gestation Length (days) 1.99 -0.919 -1.83
Beef Sub Index -3.38
Carcass Weight (kg) 5.40 -0.528 -2.85
Age of Slaughter (days) 1.22 -0.432 -0.53
Maintenance Sub Index Maint. Sub Index -0.86
Live WT (kg) 2.80 -0.307 -0.86
Total Carbon Sub Index 13.11

* Based on an €80/tonne carbon price