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 12.41
Milk (kg) -146.00 -0.014 2.04
Fat (kg) -13.90 -0.375 5.21
Prot (kg) -11.70 -0.441 5.16
Fertility Sub Index 5.78
Calving Interval (days) -2.59 -1.459 3.78
Survival (%) 1.79 1.117 2.00
Calving Sub Index -1.42
Gestation Length (days) 1.55 -0.919 -1.42
Beef Sub Index -2.13
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 6.40 -0.432 -2.76
Maintenance Sub Index Maint. Sub Index 5.76
Live WT (kg) -18.80 -0.307 5.76
Total Carbon Sub Index 20.40

* Based on an €80/tonne carbon price