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 3.55
Milk (kg) 11.00 -0.014 -0.15
Fat (kg) -5.29 -0.375 1.98
Prot (kg) -3.90 -0.441 1.72
Fertility Sub Index 6.26
Calving Interval (days) -3.73 -1.459 5.44
Survival (%) 0.73 1.117 0.82
Calving Sub Index 0.62
Gestation Length (days) -0.67 -0.919 0.62
Beef Sub Index -0.09
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.91 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 2.88
Live WT (kg) -9.40 -0.307 2.88
Total Carbon Sub Index 13.22

* Based on an €80/tonne carbon price