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 4.38
Milk (kg) -76.00 -0.014 1.06
Fat (kg) -3.08 -0.375 1.15
Prot (kg) -4.90 -0.441 2.16
Fertility Sub Index 4.36
Calving Interval (days) -2.91 -1.459 4.25
Survival (%) 0.10 1.117 0.11
Calving Sub Index -0.20
Gestation Length (days) 0.22 -0.919 -0.20
Beef Sub Index 1.17
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.71 -0.432 -0.31
Maintenance Sub Index Maint. Sub Index 1.81
Live WT (kg) -5.90 -0.307 1.81
Total Carbon Sub Index 11.51

* Based on an €80/tonne carbon price