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 10.70
Milk (kg) -224.00 -0.014 3.14
Fat (kg) -10.16 -0.375 3.81
Prot (kg) -8.52 -0.441 3.76
Fertility Sub Index 7.16
Calving Interval (days) -3.89 -1.459 5.68
Survival (%) 1.33 1.117 1.49
Calving Sub Index -1.31
Gestation Length (days) 1.43 -0.919 -1.31
Beef Sub Index -2.28
Carcass Weight (kg) 2.60 -0.528 -1.37
Age of Slaughter (days) 2.10 -0.432 -0.91
Maintenance Sub Index Maint. Sub Index 4.05
Live WT (kg) -13.20 -0.307 4.05
Total Carbon Sub Index 18.31

* Based on an €80/tonne carbon price