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 9.21
Milk (kg) -245.00 -0.014 3.43
Fat (kg) -9.90 -0.375 3.71
Prot (kg) -4.69 -0.441 2.07
Fertility Sub Index 6.82
Calving Interval (days) -4.26 -1.459 6.22
Survival (%) 0.54 1.117 0.60
Calving Sub Index -0.30
Gestation Length (days) 0.33 -0.919 -0.30
Beef Sub Index -3.24
Carcass Weight (kg) 9.70 -0.528 -5.12
Age of Slaughter (days) -4.35 -0.432 1.88
Maintenance Sub Index Maint. Sub Index -3.22
Live WT (kg) 10.50 -0.307 -3.22
Total Carbon Sub Index 9.27

* Based on an €80/tonne carbon price