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 6.04
Milk (kg) -119.00 -0.014 1.67
Fat (kg) -4.67 -0.375 1.75
Prot (kg) -5.94 -0.441 2.62
Fertility Sub Index 10.94
Calving Interval (days) -5.54 -1.459 8.08
Survival (%) 2.56 1.117 2.86
Calving Sub Index 0.62
Gestation Length (days) -0.67 -0.919 0.62
Beef Sub Index 0.56
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 0.53 -0.432 -0.23
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 20.06

* Based on an €80/tonne carbon price