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 8.08
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -8.24 -0.375 3.09
Prot (kg) -6.88 -0.441 3.04
Fertility Sub Index 4.17
Calving Interval (days) -1.97 -1.459 2.87
Survival (%) 1.16 1.117 1.30
Calving Sub Index -1.74
Gestation Length (days) 1.89 -0.919 -1.74
Beef Sub Index -0.81
Carcass Weight (kg) 1.60 -0.528 -0.84
Age of Slaughter (days) -0.08 -0.432 0.03
Maintenance Sub Index Maint. Sub Index -0.25
Live WT (kg) 0.80 -0.307 -0.25
Total Carbon Sub Index 9.46

* Based on an €80/tonne carbon price