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 5.10
Milk (kg) -10.00 -0.014 0.14
Fat (kg) -6.66 -0.375 2.49
Prot (kg) -5.58 -0.441 2.46
Fertility Sub Index 13.23
Calving Interval (days) -5.95 -1.459 8.68
Survival (%) 4.07 1.117 4.55
Calving Sub Index -4.78
Gestation Length (days) 5.20 -0.919 -4.78
Beef Sub Index -0.16
Carcass Weight (kg) 1.10 -0.528 -0.58
Age of Slaughter (days) -0.97 -0.432 0.42
Maintenance Sub Index Maint. Sub Index 2.24
Live WT (kg) -7.30 -0.307 2.24
Total Carbon Sub Index 15.63

* Based on an €80/tonne carbon price