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 7.63
Milk (kg) -162.00 -0.014 2.27
Fat (kg) -5.90 -0.375 2.21
Prot (kg) -7.14 -0.441 3.15
Fertility Sub Index 9.60
Calving Interval (days) -4.64 -1.459 6.77
Survival (%) 2.53 1.117 2.83
Calving Sub Index -3.55
Gestation Length (days) 3.86 -0.919 -3.55
Beef Sub Index 0.45
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) -1.40 -0.432 0.60
Maintenance Sub Index Maint. Sub Index 2.54
Live WT (kg) -8.30 -0.307 2.54
Total Carbon Sub Index 16.67

* Based on an €80/tonne carbon price