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 1.03
Milk (kg) -50.00 -0.014 0.70
Fat (kg) -0.50 -0.375 0.19
Prot (kg) -0.33 -0.441 0.15
Fertility Sub Index 8.46
Calving Interval (days) -4.16 -1.459 6.07
Survival (%) 2.14 1.117 2.39
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.57
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 2.22 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index 5.36
Live WT (kg) -17.50 -0.307 5.36
Total Carbon Sub Index 20.24

* Based on an €80/tonne carbon price