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 6.72
Milk (kg) -172.00 -0.014 2.41
Fat (kg) -5.36 -0.375 2.01
Prot (kg) -5.23 -0.441 2.31
Fertility Sub Index 5.67
Calving Interval (days) -3.62 -1.459 5.28
Survival (%) 0.35 1.117 0.39
Calving Sub Index 0.85
Gestation Length (days) -0.92 -0.919 0.85
Beef Sub Index 2.65
Carcass Weight (kg) -5.40 -0.528 2.85
Age of Slaughter (days) 0.47 -0.432 -0.20
Maintenance Sub Index Maint. Sub Index 3.46
Live WT (kg) -11.30 -0.307 3.46
Total Carbon Sub Index 19.35

* Based on an €80/tonne carbon price