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 3.55
Milk (kg) -91.00 -0.014 1.27
Fat (kg) -2.77 -0.375 1.04
Prot (kg) -2.81 -0.441 1.24
Fertility Sub Index 6.86
Calving Interval (days) -3.87 -1.459 5.65
Survival (%) 1.09 1.117 1.22
Calving Sub Index 0.64
Gestation Length (days) -0.70 -0.919 0.64
Beef Sub Index 0.18
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.02 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index 2.94
Live WT (kg) -9.60 -0.307 2.94
Total Carbon Sub Index 14.19

* Based on an €80/tonne carbon price