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 4.09
Milk (kg) -45.00 -0.014 0.63
Fat (kg) 0.44 -0.375 -0.16
Prot (kg) -8.22 -0.441 3.63
Fertility Sub Index 2.35
Calving Interval (days) -1.39 -1.459 2.03
Survival (%) 0.29 1.117 0.32
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.81
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 3.98 -0.432 -1.72
Maintenance Sub Index Maint. Sub Index 1.47
Live WT (kg) -4.80 -0.307 1.47
Total Carbon Sub Index 8.26

* Based on an €80/tonne carbon price