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 1.60
Milk (kg) -89.00 -0.014 1.25
Fat (kg) 2.68 -0.375 -1.00
Prot (kg) -3.08 -0.441 1.36
Fertility Sub Index 3.59
Calving Interval (days) -2.58 -1.459 3.76
Survival (%) -0.16 1.117 -0.18
Calving Sub Index 1.19
Gestation Length (days) -1.30 -0.919 1.19
Beef Sub Index -0.67
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 3.64 -0.432 -1.57
Maintenance Sub Index Maint. Sub Index 1.59
Live WT (kg) -5.20 -0.307 1.59
Total Carbon Sub Index 7.30

* Based on an €80/tonne carbon price