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 13.06
Milk (kg) -350.00 -0.014 4.90
Fat (kg) -8.53 -0.375 3.19
Prot (kg) -11.24 -0.441 4.96
Fertility Sub Index 2.02
Calving Interval (days) -0.95 -1.459 1.39
Survival (%) 0.57 1.117 0.64
Calving Sub Index -1.42
Gestation Length (days) 1.54 -0.919 -1.42
Beef Sub Index 5.78
Carcass Weight (kg) -8.20 -0.528 4.33
Age of Slaughter (days) -3.36 -0.432 1.45
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 21.59

* Based on an €80/tonne carbon price