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 8.10
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -8.16 -0.375 3.06
Prot (kg) -8.04 -0.441 3.55
Fertility Sub Index 0.42
Calving Interval (days) -0.34 -1.459 0.50
Survival (%) -0.07 1.117 -0.08
Calving Sub Index -1.11
Gestation Length (days) 1.21 -0.919 -1.11
Beef Sub Index 0.11
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.46 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index 0.98
Live WT (kg) -3.20 -0.307 0.98
Total Carbon Sub Index 8.49

* Based on an €80/tonne carbon price