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 0.14
Milk (kg) -29.00 -0.014 0.41
Fat (kg) 2.45 -0.375 -0.92
Prot (kg) -1.48 -0.441 0.65
Fertility Sub Index 3.85
Calving Interval (days) -2.09 -1.459 3.05
Survival (%) 0.72 1.117 0.80
Calving Sub Index 0.45
Gestation Length (days) -0.49 -0.919 0.45
Beef Sub Index 0.09
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 4.55 -0.432 -1.96
Maintenance Sub Index Maint. Sub Index 0.12
Live WT (kg) -0.40 -0.307 0.12
Total Carbon Sub Index 4.67

* Based on an €80/tonne carbon price