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 8.51
Milk (kg) -121.00 -0.014 1.69
Fat (kg) -13.22 -0.375 4.95
Prot (kg) -4.23 -0.441 1.87
Fertility Sub Index 2.37
Calving Interval (days) -1.40 -1.459 2.04
Survival (%) 0.29 1.117 0.32
Calving Sub Index -0.41
Gestation Length (days) 0.45 -0.919 -0.41
Beef Sub Index -1.17
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) 3.19 -0.432 -1.38
Maintenance Sub Index Maint. Sub Index 1.87
Live WT (kg) -6.10 -0.307 1.87
Total Carbon Sub Index 11.16

* Based on an €80/tonne carbon price