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 1.61
Milk (kg) -84.00 -0.014 1.18
Fat (kg) 0.21 -0.375 -0.08
Prot (kg) -1.16 -0.441 0.51
Fertility Sub Index 6.06
Calving Interval (days) -2.75 -1.459 4.01
Survival (%) 1.83 1.117 2.04
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.31
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 0.50 -0.432 -0.22
Maintenance Sub Index Maint. Sub Index 3.86
Live WT (kg) -12.60 -0.307 3.86
Total Carbon Sub Index 16.66

* Based on an €80/tonne carbon price