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 12.21
Milk (kg) -188.00 -0.014 2.63
Fat (kg) -11.97 -0.375 4.48
Prot (kg) -11.54 -0.441 5.09
Fertility Sub Index 2.33
Calving Interval (days) -1.02 -1.459 1.49
Survival (%) 0.75 1.117 0.84
Calving Sub Index 0.15
Gestation Length (days) -0.16 -0.919 0.15
Beef Sub Index -0.31
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 4.75 -0.432 -2.05
Maintenance Sub Index Maint. Sub Index 0.03
Live WT (kg) -0.10 -0.307 0.03
Total Carbon Sub Index 14.40

* Based on an €80/tonne carbon price