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 5.41
Milk (kg) 8.00 -0.014 -0.11
Fat (kg) -8.72 -0.375 3.27
Prot (kg) -5.12 -0.441 2.26
Fertility Sub Index 4.22
Calving Interval (days) -4.05 -1.459 5.91
Survival (%) -1.51 1.117 -1.69
Calving Sub Index -1.03
Gestation Length (days) 1.12 -0.919 -1.03
Beef Sub Index -0.26
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 5.36 -0.432 -2.31
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 10.75

* Based on an €80/tonne carbon price