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 7.06
Milk (kg) -230.00 -0.014 3.22
Fat (kg) -5.08 -0.375 1.90
Prot (kg) -4.38 -0.441 1.93
Fertility Sub Index 5.14
Calving Interval (days) -3.77 -1.459 5.50
Survival (%) -0.32 1.117 -0.36
Calving Sub Index -1.23
Gestation Length (days) 1.34 -0.919 -1.23
Beef Sub Index 2.51
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) -1.41 -0.432 0.61
Maintenance Sub Index Maint. Sub Index 2.85
Live WT (kg) -9.30 -0.307 2.85
Total Carbon Sub Index 16.32

* Based on an €80/tonne carbon price