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) -80.00 -0.014 1.12
Fat (kg) -5.66 -0.375 2.12
Prot (kg) -4.21 -0.441 1.86
Fertility Sub Index 6.20
Calving Interval (days) -2.78 -1.459 4.06
Survival (%) 1.92 1.117 2.15
Calving Sub Index -1.56
Gestation Length (days) 1.70 -0.919 -1.56
Beef Sub Index -2.35
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 8.14 -0.432 -3.51
Maintenance Sub Index Maint. Sub Index 6.07
Live WT (kg) -19.80 -0.307 6.07
Total Carbon Sub Index 13.46

* Based on an €80/tonne carbon price