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 10.31
Milk (kg) -164.00 -0.014 2.30
Fat (kg) -11.24 -0.375 4.21
Prot (kg) -8.62 -0.441 3.80
Fertility Sub Index 6.18
Calving Interval (days) -2.73 -1.459 3.98
Survival (%) 1.97 1.117 2.20
Calving Sub Index -1.49
Gestation Length (days) 1.62 -0.919 -1.49
Beef Sub Index -2.85
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 8.55 -0.432 -3.69
Maintenance Sub Index Maint. Sub Index 6.19
Live WT (kg) -20.20 -0.307 6.19
Total Carbon Sub Index 18.35

* Based on an €80/tonne carbon price