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 8.29
Milk (kg) -186.00 -0.014 2.60
Fat (kg) -8.80 -0.375 3.30
Prot (kg) -5.41 -0.441 2.39
Fertility Sub Index 2.17
Calving Interval (days) -1.29 -1.459 1.88
Survival (%) 0.26 1.117 0.29
Calving Sub Index -2.12
Gestation Length (days) 2.31 -0.919 -2.12
Beef Sub Index -3.03
Carcass Weight (kg) 2.80 -0.528 -1.48
Age of Slaughter (days) 3.59 -0.432 -1.55
Maintenance Sub Index Maint. Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index 8.07

* Based on an €80/tonne carbon price