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 9.34
Milk (kg) -170.00 -0.014 2.38
Fat (kg) -7.90 -0.375 2.96
Prot (kg) -9.06 -0.441 4.00
Fertility Sub Index 9.19
Calving Interval (days) -6.02 -1.459 8.78
Survival (%) 0.36 1.117 0.40
Calving Sub Index 0.56
Gestation Length (days) -0.61 -0.919 0.56
Beef Sub Index 0.22
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 0.47 -0.432 -0.20
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 22.36

* Based on an €80/tonne carbon price