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 3.03
Milk (kg) -151.00 -0.014 2.11
Fat (kg) 0.24 -0.375 -0.09
Prot (kg) -2.27 -0.441 1.00
Fertility Sub Index 7.34
Calving Interval (days) -3.51 -1.459 5.12
Survival (%) 1.99 1.117 2.22
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 0.07
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 2.04 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 5.58
Live WT (kg) -18.20 -0.307 5.58
Total Carbon Sub Index 18.80

* Based on an €80/tonne carbon price