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 -3.78
Milk (kg) 87.00 -0.014 -1.22
Fat (kg) 5.50 -0.375 -2.06
Prot (kg) 1.14 -0.441 -0.50
Fertility Sub Index -0.08
Calving Interval (days) -0.10 -1.459 0.15
Survival (%) -0.20 1.117 -0.22
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.02
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.63 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 1.84
Live WT (kg) -6.00 -0.307 1.84
Total Carbon Sub Index -2.51

* Based on an €80/tonne carbon price