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 1.80
Milk (kg) -188.00 -0.014 2.63
Fat (kg) 2.92 -0.375 -1.09
Prot (kg) -0.60 -0.441 0.26
Fertility Sub Index 5.80
Calving Interval (days) -2.64 -1.459 3.85
Survival (%) 1.74 1.117 1.94
Calving Sub Index 1.56
Gestation Length (days) -1.70 -0.919 1.56
Beef Sub Index -2.17
Carcass Weight (kg) 1.90 -0.528 -1.00
Age of Slaughter (days) 2.71 -0.432 -1.17
Maintenance Sub Index Maint. Sub Index -1.59
Live WT (kg) 5.20 -0.307 -1.59
Total Carbon Sub Index 5.39

* Based on an €80/tonne carbon price