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 6.78
Milk (kg) -138.00 -0.014 1.93
Fat (kg) -2.95 -0.375 1.10
Prot (kg) -8.49 -0.441 3.75
Fertility Sub Index 3.64
Calving Interval (days) -2.76 -1.459 4.03
Survival (%) -0.35 1.117 -0.39
Calving Sub Index -0.40
Gestation Length (days) 0.44 -0.919 -0.40
Beef Sub Index -0.22
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 2.34 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index 4.38
Live WT (kg) -14.30 -0.307 4.38
Total Carbon Sub Index 14.18

* Based on an €80/tonne carbon price