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 4.21
Milk (kg) 4.00 -0.014 -0.06
Fat (kg) -5.70 -0.375 2.13
Prot (kg) -4.83 -0.441 2.13
Fertility Sub Index 0.59
Calving Interval (days) -0.36 -1.459 0.53
Survival (%) 0.06 1.117 0.07
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.26
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 2.34 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index 6.71

* Based on an €80/tonne carbon price