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 2.31
Milk (kg) 57.00 -0.014 -0.80
Fat (kg) -3.17 -0.375 1.19
Prot (kg) -4.35 -0.441 1.92
Fertility Sub Index -9.05
Calving Interval (days) 4.75 -1.459 -6.93
Survival (%) -1.90 1.117 -2.12
Calving Sub Index 0.98
Gestation Length (days) -1.07 -0.919 0.98
Beef Sub Index 0.29
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 2.87 -0.432 -1.24
Maintenance Sub Index Maint. Sub Index 1.29
Live WT (kg) -4.20 -0.307 1.29
Total Carbon Sub Index -4.18

* Based on an €80/tonne carbon price