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 8.06
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -9.76 -0.375 3.66
Prot (kg) -7.32 -0.441 3.23
Fertility Sub Index 0.53
Calving Interval (days) -0.05 -1.459 0.07
Survival (%) 0.41 1.117 0.46
Calving Sub Index -0.28
Gestation Length (days) 0.30 -0.919 -0.28
Beef Sub Index 1.18
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 2.76 -0.432 -1.19
Maintenance Sub Index Maint. Sub Index 0.25
Live WT (kg) -0.80 -0.307 0.25
Total Carbon Sub Index 9.75

* Based on an €80/tonne carbon price