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 3.76
Milk (kg) -98.00 -0.014 1.37
Fat (kg) -3.09 -0.375 1.16
Prot (kg) -2.79 -0.441 1.23
Fertility Sub Index 6.09
Calving Interval (days) -4.03 -1.459 5.88
Survival (%) 0.19 1.117 0.21
Calving Sub Index 0.97
Gestation Length (days) -1.05 -0.919 0.97
Beef Sub Index 0.15
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) 0.38 -0.432 -0.16
Maintenance Sub Index Maint. Sub Index 2.67
Live WT (kg) -8.70 -0.307 2.67
Total Carbon Sub Index 13.64

* Based on an €80/tonne carbon price