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 0.60
Milk (kg) -101.00 -0.014 1.41
Fat (kg) 3.28 -0.375 -1.23
Prot (kg) -0.94 -0.441 0.41
Fertility Sub Index 6.51
Calving Interval (days) -4.37 -1.459 6.38
Survival (%) 0.12 1.117 0.13
Calving Sub Index 1.15
Gestation Length (days) -1.25 -0.919 1.15
Beef Sub Index -1.34
Carcass Weight (kg) 0.70 -0.528 -0.37
Age of Slaughter (days) 2.24 -0.432 -0.97
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 9.22

* Based on an €80/tonne carbon price