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 2.02
Milk (kg) -73.00 -0.014 1.02
Fat (kg) -1.14 -0.375 0.43
Prot (kg) -1.29 -0.441 0.57
Fertility Sub Index 7.04
Calving Interval (days) -3.32 -1.459 4.84
Survival (%) 1.97 1.117 2.20
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.04
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -0.94 -0.432 0.41
Maintenance Sub Index Maint. Sub Index 5.64
Live WT (kg) -18.40 -0.307 5.64
Total Carbon Sub Index 19.54

* Based on an €80/tonne carbon price