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 4.13
Milk (kg) 29.00 -0.014 -0.41
Fat (kg) -6.60 -0.375 2.47
Prot (kg) -4.68 -0.441 2.07
Fertility Sub Index 0.36
Calving Interval (days) -0.15 -1.459 0.22
Survival (%) 0.13 1.117 0.15
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.52
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 0.26 -0.432 -0.11
Maintenance Sub Index Maint. Sub Index 1.29
Live WT (kg) -4.20 -0.307 1.29
Total Carbon Sub Index 5.84

* Based on an €80/tonne carbon price