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 5.28
Milk (kg) -122.00 -0.014 1.71
Fat (kg) -4.35 -0.375 1.63
Prot (kg) -4.40 -0.441 1.94
Fertility Sub Index 3.68
Calving Interval (days) -2.04 -1.459 2.98
Survival (%) 0.63 1.117 0.70
Calving Sub Index -0.66
Gestation Length (days) 0.72 -0.919 -0.66
Beef Sub Index 1.06
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 2.92 -0.432 -1.26
Maintenance Sub Index Maint. Sub Index 3.31
Live WT (kg) -10.80 -0.307 3.31
Total Carbon Sub Index 12.67

* Based on an €80/tonne carbon price