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 4.04
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -3.81 -0.375 1.43
Prot (kg) -3.07 -0.441 1.35
Fertility Sub Index 8.23
Calving Interval (days) -4.17 -1.459 6.08
Survival (%) 1.92 1.117 2.15
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.15
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 2.95 -0.432 -1.27
Maintenance Sub Index Maint. Sub Index 3.19
Live WT (kg) -10.40 -0.307 3.19
Total Carbon Sub Index 19.41

* Based on an €80/tonne carbon price