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 2.25
Milk (kg) -108.00 -0.014 1.51
Fat (kg) 2.31 -0.375 -0.87
Prot (kg) -3.63 -0.441 1.60
Fertility Sub Index 8.26
Calving Interval (days) -5.04 -1.459 7.35
Survival (%) 0.81 1.117 0.90
Calving Sub Index -0.06
Gestation Length (days) 0.06 -0.919 -0.06
Beef Sub Index 4.07
Carcass Weight (kg) -6.50 -0.528 3.43
Age of Slaughter (days) -1.49 -0.432 0.64
Maintenance Sub Index Maint. Sub Index 4.94
Live WT (kg) -16.10 -0.307 4.94
Total Carbon Sub Index 19.46

* Based on an €80/tonne carbon price