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 3.10
Milk (kg) -35.00 -0.014 0.49
Fat (kg) -2.81 -0.375 1.05
Prot (kg) -3.53 -0.441 1.56
Fertility Sub Index 4.24
Calving Interval (days) -2.15 -1.459 3.14
Survival (%) 0.99 1.117 1.11
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.47
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.48 -0.432 -0.64
Maintenance Sub Index Maint. Sub Index 4.90
Live WT (kg) -16.00 -0.307 4.90
Total Carbon Sub Index 16.56

* Based on an €80/tonne carbon price