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 3.75
Milk (kg) -158.00 -0.014 2.21
Fat (kg) 0.76 -0.375 -0.28
Prot (kg) -4.14 -0.441 1.83
Fertility Sub Index 5.81
Calving Interval (days) -2.95 -1.459 4.30
Survival (%) 1.35 1.117 1.51
Calving Sub Index -0.07
Gestation Length (days) 0.08 -0.919 -0.07
Beef Sub Index 0.43
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 4.87 -0.432 -2.10
Maintenance Sub Index Maint. Sub Index 4.05
Live WT (kg) -13.20 -0.307 4.05
Total Carbon Sub Index 13.97

* Based on an €80/tonne carbon price