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 8.64
Milk (kg) -222.00 -0.014 3.11
Fat (kg) -6.82 -0.375 2.55
Prot (kg) -6.74 -0.441 2.97
Fertility Sub Index 6.81
Calving Interval (days) -4.63 -1.459 6.76
Survival (%) 0.05 1.117 0.06
Calving Sub Index -0.51
Gestation Length (days) 0.55 -0.919 -0.51
Beef Sub Index 3.01
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) -1.24 -0.432 0.54
Maintenance Sub Index Maint. Sub Index 3.34
Live WT (kg) -10.90 -0.307 3.34
Total Carbon Sub Index 21.30

* Based on an €80/tonne carbon price