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 6.03
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -2.94 -0.375 1.10
Prot (kg) -6.73 -0.441 2.97
Fertility Sub Index 5.61
Calving Interval (days) -3.60 -1.459 5.25
Survival (%) 0.32 1.117 0.36
Calving Sub Index 0.93
Gestation Length (days) -1.01 -0.919 0.93
Beef Sub Index 2.02
Carcass Weight (kg) -5.90 -0.528 3.11
Age of Slaughter (days) 2.52 -0.432 -1.09
Maintenance Sub Index Maint. Sub Index 3.46
Live WT (kg) -11.30 -0.307 3.46
Total Carbon Sub Index 18.06

* Based on an €80/tonne carbon price