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 2.62
Milk (kg) -42.00 -0.014 0.59
Fat (kg) -2.88 -0.375 1.08
Prot (kg) -2.16 -0.441 0.95
Fertility Sub Index 6.26
Calving Interval (days) -2.78 -1.459 4.06
Survival (%) 1.97 1.117 2.20
Calving Sub Index -1.47
Gestation Length (days) 1.60 -0.919 -1.47
Beef Sub Index -2.43
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 8.32 -0.432 -3.59
Maintenance Sub Index Maint. Sub Index 6.47
Live WT (kg) -21.10 -0.307 6.47
Total Carbon Sub Index 11.44

* Based on an €80/tonne carbon price