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 6.39
Milk (kg) -161.00 -0.014 2.25
Fat (kg) -5.80 -0.375 2.17
Prot (kg) -4.44 -0.441 1.96
Fertility Sub Index 5.23
Calving Interval (days) -3.48 -1.459 5.08
Survival (%) 0.14 1.117 0.16
Calving Sub Index -0.79
Gestation Length (days) 0.86 -0.919 -0.79
Beef Sub Index 2.70
Carcass Weight (kg) -6.00 -0.528 3.17
Age of Slaughter (days) 1.08 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 18.12

* Based on an €80/tonne carbon price