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 3.60
Milk (kg) -161.00 -0.014 2.25
Fat (kg) 0.14 -0.375 -0.05
Prot (kg) -3.17 -0.441 1.40
Fertility Sub Index 7.31
Calving Interval (days) -3.51 -1.459 5.12
Survival (%) 1.96 1.117 2.19
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.24
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 3.00 -0.432 -1.30
Maintenance Sub Index Maint. Sub Index 5.67
Live WT (kg) -18.50 -0.307 5.67
Total Carbon Sub Index 20.15

* Based on an €80/tonne carbon price