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 3.21
Milk (kg) -97.00 -0.014 1.36
Fat (kg) -3.27 -0.375 1.22
Prot (kg) -1.42 -0.441 0.63
Fertility Sub Index 6.19
Calving Interval (days) -2.32 -1.459 3.38
Survival (%) 2.51 1.117 2.80
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 1.46
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 1.02 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index 4.78
Live WT (kg) -15.60 -0.307 4.78
Total Carbon Sub Index 18.43

* Based on an €80/tonne carbon price