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 1.77
Milk (kg) -112.00 -0.014 1.57
Fat (kg) 1.10 -0.375 -0.41
Prot (kg) -1.40 -0.441 0.62
Fertility Sub Index 7.37
Calving Interval (days) -3.48 -1.459 5.08
Survival (%) 2.05 1.117 2.29
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.71
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) -0.79 -0.432 0.34
Maintenance Sub Index Maint. Sub Index 5.46
Live WT (kg) -17.80 -0.307 5.46
Total Carbon Sub Index 20.11

* Based on an €80/tonne carbon price