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 11.20
Milk (kg) -243.00 -0.014 3.40
Fat (kg) -9.08 -0.375 3.40
Prot (kg) -9.97 -0.441 4.40
Fertility Sub Index 8.76
Calving Interval (days) -5.66 -1.459 8.26
Survival (%) 0.45 1.117 0.50
Calving Sub Index 1.06
Gestation Length (days) -1.15 -0.919 1.06
Beef Sub Index 0.81
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 0.21 -0.432 -0.09
Maintenance Sub Index Maint. Sub Index 2.51
Live WT (kg) -8.20 -0.307 2.51
Total Carbon Sub Index 24.35

* Based on an €80/tonne carbon price