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 9.75
Milk (kg) -169.00 -0.014 2.37
Fat (kg) -9.61 -0.375 3.60
Prot (kg) -8.58 -0.441 3.79
Fertility Sub Index 3.80
Calving Interval (days) -3.22 -1.459 4.70
Survival (%) -0.80 1.117 -0.89
Calving Sub Index -0.07
Gestation Length (days) 0.08 -0.919 -0.07
Beef Sub Index 2.32
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) -1.10 -0.432 0.47
Maintenance Sub Index Maint. Sub Index 4.26
Live WT (kg) -13.90 -0.307 4.26
Total Carbon Sub Index 20.06

* Based on an €80/tonne carbon price