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 1.35
Milk (kg) -100.00 -0.014 1.40
Fat (kg) 1.36 -0.375 -0.51
Prot (kg) -1.05 -0.441 0.46
Fertility Sub Index 6.79
Calving Interval (days) -3.26 -1.459 4.76
Survival (%) 1.82 1.117 2.03
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.04
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) -1.43 -0.432 0.62
Maintenance Sub Index Maint. Sub Index 6.13
Live WT (kg) -20.00 -0.307 6.13
Total Carbon Sub Index 19.10

* Based on an €80/tonne carbon price