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 8.21
Milk (kg) -119.00 -0.014 1.67
Fat (kg) -10.79 -0.375 4.04
Prot (kg) -5.66 -0.441 2.50
Fertility Sub Index 2.80
Calving Interval (days) -1.99 -1.459 2.90
Survival (%) -0.09 1.117 -0.10
Calving Sub Index -0.92
Gestation Length (days) 1.00 -0.919 -0.92
Beef Sub Index -1.14
Carcass Weight (kg) 1.40 -0.528 -0.74
Age of Slaughter (days) 0.92 -0.432 -0.40
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 10.92

* Based on an €80/tonne carbon price