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 3.65
Milk (kg) -129.00 -0.014 1.81
Fat (kg) -3.85 -0.375 1.44
Prot (kg) -0.90 -0.441 0.40
Fertility Sub Index 2.31
Calving Interval (days) -1.32 -1.459 1.93
Survival (%) 0.34 1.117 0.38
Calving Sub Index -1.44
Gestation Length (days) 1.57 -0.919 -1.44
Beef Sub Index -1.84
Carcass Weight (kg) 0.00 -0.528 0.00
Age of Slaughter (days) 4.27 -0.432 -1.84
Maintenance Sub Index Maint. Sub Index 4.14
Live WT (kg) -13.50 -0.307 4.14
Total Carbon Sub Index 6.81

* Based on an €80/tonne carbon price