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 -4.93
Milk (kg) 3.00 -0.014 -0.04
Fat (kg) 7.38 -0.375 -2.76
Prot (kg) 4.81 -0.441 -2.12
Fertility Sub Index 7.43
Calving Interval (days) -3.48 -1.459 5.08
Survival (%) 2.11 1.117 2.36
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.78
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 0.63 -0.432 -0.27
Maintenance Sub Index Maint. Sub Index 3.31
Live WT (kg) -10.80 -0.307 3.31
Total Carbon Sub Index 10.40

* Based on an €80/tonne carbon price