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 4.96
Milk (kg) -11.00 -0.014 0.15
Fat (kg) -5.67 -0.375 2.12
Prot (kg) -6.08 -0.441 2.68
Fertility Sub Index 0.26
Calving Interval (days) 0.31 -1.459 -0.45
Survival (%) 0.64 1.117 0.72
Calving Sub Index 0.21
Gestation Length (days) -0.23 -0.919 0.21
Beef Sub Index 1.50
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) -2.49 -0.432 1.07
Maintenance Sub Index Maint. Sub Index -2.76
Live WT (kg) 9.00 -0.307 -2.76
Total Carbon Sub Index 4.17

* Based on an €80/tonne carbon price