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 6.08
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -3.05 -0.375 1.14
Prot (kg) -6.46 -0.441 2.85
Fertility Sub Index 7.03
Calving Interval (days) -3.90 -1.459 5.69
Survival (%) 1.20 1.117 1.34
Calving Sub Index 1.04
Gestation Length (days) -1.13 -0.919 1.04
Beef Sub Index 0.50
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 2.03 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 2.85
Live WT (kg) -9.30 -0.307 2.85
Total Carbon Sub Index 17.50

* Based on an €80/tonne carbon price