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 2.44
Milk (kg) -111.00 -0.014 1.55
Fat (kg) -0.49 -0.375 0.18
Prot (kg) -1.60 -0.441 0.71
Fertility Sub Index 6.53
Calving Interval (days) -2.84 -1.459 4.14
Survival (%) 2.14 1.117 2.39
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.18
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 0.08 -0.432 -0.03
Maintenance Sub Index Maint. Sub Index 4.38
Live WT (kg) -14.30 -0.307 4.38
Total Carbon Sub Index 18.35

* Based on an €80/tonne carbon price