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 7.11
Milk (kg) -158.00 -0.014 2.21
Fat (kg) -9.07 -0.375 3.40
Prot (kg) -3.40 -0.441 1.50
Fertility Sub Index 1.55
Calving Interval (days) -0.37 -1.459 0.54
Survival (%) 0.90 1.117 1.01
Calving Sub Index -1.89
Gestation Length (days) 2.06 -0.919 -1.89
Beef Sub Index -2.51
Carcass Weight (kg) 4.20 -0.528 -2.22
Age of Slaughter (days) 0.68 -0.432 -0.29
Maintenance Sub Index Maint. Sub Index 0.12
Live WT (kg) -0.40 -0.307 0.12
Total Carbon Sub Index 4.38

* Based on an €80/tonne carbon price