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 4.45
Milk (kg) -18.00 -0.014 0.25
Fat (kg) -6.67 -0.375 2.50
Prot (kg) -3.85 -0.441 1.70
Fertility Sub Index -10.55
Calving Interval (days) 4.45 -1.459 -6.49
Survival (%) -3.63 1.117 -4.06
Calving Sub Index 1.15
Gestation Length (days) -1.25 -0.919 1.15
Beef Sub Index -1.04
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 6.80 -0.432 -2.94
Maintenance Sub Index Maint. Sub Index -2.24
Live WT (kg) 7.30 -0.307 -2.24
Total Carbon Sub Index -8.22

* Based on an €80/tonne carbon price