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 4.89
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -2.08 -0.375 0.78
Prot (kg) -4.85 -0.441 2.14
Fertility Sub Index -2.21
Calving Interval (days) 1.26 -1.459 -1.84
Survival (%) -0.33 1.117 -0.37
Calving Sub Index 0.10
Gestation Length (days) -0.11 -0.919 0.10
Beef Sub Index 0.60
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 2.40 -0.432 -1.04
Maintenance Sub Index Maint. Sub Index 1.07
Live WT (kg) -3.50 -0.307 1.07
Total Carbon Sub Index 4.46

* Based on an €80/tonne carbon price