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 10.22
Milk (kg) -151.00 -0.014 2.11
Fat (kg) -10.15 -0.375 3.80
Prot (kg) -9.75 -0.441 4.30
Fertility Sub Index 0.03
Calving Interval (days) 0.30 -1.459 -0.44
Survival (%) 0.42 1.117 0.47
Calving Sub Index 0.49
Gestation Length (days) -0.53 -0.919 0.49
Beef Sub Index -1.99
Carcass Weight (kg) 0.60 -0.528 -0.32
Age of Slaughter (days) 3.87 -0.432 -1.67
Maintenance Sub Index Maint. Sub Index -1.07
Live WT (kg) 3.50 -0.307 -1.07
Total Carbon Sub Index 7.67

* Based on an €80/tonne carbon price