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 9.35
Milk (kg) -187.00 -0.014 2.62
Fat (kg) -10.89 -0.375 4.08
Prot (kg) -6.01 -0.441 2.65
Fertility Sub Index 7.08
Calving Interval (days) -4.13 -1.459 6.03
Survival (%) 0.94 1.117 1.05
Calving Sub Index -1.57
Gestation Length (days) 1.71 -0.919 -1.57
Beef Sub Index 1.98
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) -2.27 -0.432 0.98
Maintenance Sub Index Maint. Sub Index 1.20
Live WT (kg) -3.90 -0.307 1.20
Total Carbon Sub Index 18.03

* Based on an €80/tonne carbon price