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 2.78
Milk (kg) -21.00 -0.014 0.29
Fat (kg) -5.95 -0.375 2.23
Prot (kg) -0.59 -0.441 0.26
Fertility Sub Index 5.40
Calving Interval (days) -2.20 -1.459 3.21
Survival (%) 1.96 1.117 2.19
Calving Sub Index -1.45
Gestation Length (days) 1.58 -0.919 -1.45
Beef Sub Index -2.60
Carcass Weight (kg) 5.40 -0.528 -2.85
Age of Slaughter (days) -0.57 -0.432 0.25
Maintenance Sub Index Maint. Sub Index -0.46
Live WT (kg) 1.50 -0.307 -0.46
Total Carbon Sub Index 3.67

* Based on an €80/tonne carbon price