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 25.39
Milk (kg) -444.00 -0.014 6.22
Fat (kg) -27.20 -0.375 10.19
Prot (kg) -20.35 -0.441 8.98
Fertility Sub Index 6.96
Calving Interval (days) -3.94 -1.459 5.75
Survival (%) 1.08 1.117 1.21
Calving Sub Index 0.69
Gestation Length (days) -0.75 -0.919 0.69
Beef Sub Index -0.06
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 2.09 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 3.13
Live WT (kg) -10.20 -0.307 3.13
Total Carbon Sub Index 36.11

* Based on an €80/tonne carbon price