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 2.58
Milk (kg) 13.00 -0.014 -0.18
Fat (kg) -2.76 -0.375 1.03
Prot (kg) -3.91 -0.441 1.73
Fertility Sub Index -6.15
Calving Interval (days) 3.15 -1.459 -4.60
Survival (%) -1.39 1.117 -1.55
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.30
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.63 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 0.92
Live WT (kg) -3.00 -0.307 0.92
Total Carbon Sub Index -2.82

* Based on an €80/tonne carbon price