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 5.13
Milk (kg) -199.00 -0.014 2.79
Fat (kg) -1.76 -0.375 0.66
Prot (kg) -3.81 -0.441 1.68
Fertility Sub Index 3.09
Calving Interval (days) -1.72 -1.459 2.51
Survival (%) 0.52 1.117 0.58
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.25
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.48 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index 1.93
Live WT (kg) -6.30 -0.307 1.93
Total Carbon Sub Index 9.92

* Based on an €80/tonne carbon price