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 2.23
Milk (kg) -98.00 -0.014 1.37
Fat (kg) 2.58 -0.375 -0.97
Prot (kg) -4.13 -0.441 1.82
Fertility Sub Index 2.54
Calving Interval (days) -1.37 -1.459 2.00
Survival (%) 0.48 1.117 0.54
Calving Sub Index -0.06
Gestation Length (days) 0.06 -0.919 -0.06
Beef Sub Index 1.79
Carcass Weight (kg) -8.00 -0.528 4.22
Age of Slaughter (days) 5.63 -0.432 -2.43
Maintenance Sub Index Maint. Sub Index 1.41
Live WT (kg) -4.60 -0.307 1.41
Total Carbon Sub Index 7.90

* Based on an €80/tonne carbon price