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 -2.26
Milk (kg) -34.00 -0.014 0.48
Fat (kg) 3.35 -0.375 -1.25
Prot (kg) 3.36 -0.441 -1.48
Fertility Sub Index 0.06
Calving Interval (days) 0.86 -1.459 -1.25
Survival (%) 1.18 1.117 1.32
Calving Sub Index -1.96
Gestation Length (days) 2.13 -0.919 -1.96
Beef Sub Index 1.08
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 2.63 -0.432 -1.14
Maintenance Sub Index Maint. Sub Index 5.06
Live WT (kg) -16.50 -0.307 5.06
Total Carbon Sub Index 1.98

* Based on an €80/tonne carbon price