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 11.95
Milk (kg) -186.00 -0.014 2.60
Fat (kg) -12.92 -0.375 4.84
Prot (kg) -10.22 -0.441 4.51
Fertility Sub Index 2.47
Calving Interval (days) -1.40 -1.459 2.04
Survival (%) 0.38 1.117 0.42
Calving Sub Index -2.03
Gestation Length (days) 2.21 -0.919 -2.03
Beef Sub Index -0.12
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 2.35 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index 4.72
Live WT (kg) -15.40 -0.307 4.72
Total Carbon Sub Index 16.99

* Based on an €80/tonne carbon price