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 6.65
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -3.98 -0.375 1.49
Prot (kg) -6.64 -0.441 2.93
Fertility Sub Index 3.95
Calving Interval (days) -3.98 -1.459 5.81
Survival (%) -1.66 1.117 -1.85
Calving Sub Index -3.40
Gestation Length (days) 3.70 -0.919 -3.40
Beef Sub Index 2.13
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) -4.32 -0.432 1.86
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 11.28

* Based on an €80/tonne carbon price