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 8.76
Milk (kg) -192.00 -0.014 2.69
Fat (kg) -4.07 -0.375 1.52
Prot (kg) -10.31 -0.441 4.55
Fertility Sub Index 8.35
Calving Interval (days) -5.51 -1.459 8.04
Survival (%) 0.28 1.117 0.31
Calving Sub Index -0.62
Gestation Length (days) 0.67 -0.919 -0.62
Beef Sub Index -0.08
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 2.02 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 19.67

* Based on an €80/tonne carbon price