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 3.81
Milk (kg) -14.00 -0.014 0.20
Fat (kg) -7.57 -0.375 2.84
Prot (kg) -1.77 -0.441 0.78
Fertility Sub Index 10.24
Calving Interval (days) -7.18 -1.459 10.48
Survival (%) -0.21 1.117 -0.23
Calving Sub Index 1.54
Gestation Length (days) -1.67 -0.919 1.54
Beef Sub Index 0.16
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 2.92 -0.432 -1.26
Maintenance Sub Index Maint. Sub Index 3.03
Live WT (kg) -9.90 -0.307 3.03
Total Carbon Sub Index 18.78

* Based on an €80/tonne carbon price