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 9.45
Milk (kg) -206.00 -0.014 2.88
Fat (kg) -10.58 -0.375 3.96
Prot (kg) -5.89 -0.441 2.60
Fertility Sub Index 2.14
Calving Interval (days) -1.20 -1.459 1.75
Survival (%) 0.35 1.117 0.39
Calving Sub Index -1.08
Gestation Length (days) 1.18 -0.919 -1.08
Beef Sub Index -4.38
Carcass Weight (kg) 8.30 -0.528 -4.38
Age of Slaughter (days) 0.00 -0.432 0.00
Maintenance Sub Index Maint. Sub Index -3.53
Live WT (kg) 11.50 -0.307 -3.53
Total Carbon Sub Index 2.60

* Based on an €80/tonne carbon price