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 3.97
Milk (kg) -69.00 -0.014 0.97
Fat (kg) -5.24 -0.375 1.96
Prot (kg) -2.36 -0.441 1.04
Fertility Sub Index 5.60
Calving Interval (days) -2.67 -1.459 3.90
Survival (%) 1.53 1.117 1.71
Calving Sub Index -1.63
Gestation Length (days) 1.77 -0.919 -1.63
Beef Sub Index -2.14
Carcass Weight (kg) 2.20 -0.528 -1.16
Age of Slaughter (days) 2.27 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index 0.86
Live WT (kg) -2.80 -0.307 0.86
Total Carbon Sub Index 6.67

* Based on an €80/tonne carbon price