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 10.58
Milk (kg) -173.00 -0.014 2.42
Fat (kg) -10.13 -0.375 3.79
Prot (kg) -9.88 -0.441 4.36
Fertility Sub Index 3.22
Calving Interval (days) -1.35 -1.459 1.97
Survival (%) 1.12 1.117 1.25
Calving Sub Index 0.52
Gestation Length (days) -0.57 -0.919 0.52
Beef Sub Index -0.13
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 4.69 -0.432 -2.02
Maintenance Sub Index Maint. Sub Index -0.58
Live WT (kg) 1.90 -0.307 -0.58
Total Carbon Sub Index 13.62

* Based on an €80/tonne carbon price