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 8.56
Milk (kg) -82.00 -0.014 1.15
Fat (kg) -8.44 -0.375 3.16
Prot (kg) -9.63 -0.441 4.25
Fertility Sub Index 1.69
Calving Interval (days) -0.90 -1.459 1.31
Survival (%) 0.34 1.117 0.38
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.23
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 4.69 -0.432 -2.02
Maintenance Sub Index Maint. Sub Index 0.64
Live WT (kg) -2.10 -0.307 0.64
Total Carbon Sub Index 10.19

* Based on an €80/tonne carbon price