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 1.20
Milk (kg) -14.00 -0.014 0.20
Fat (kg) -1.63 -0.375 0.61
Prot (kg) -0.89 -0.441 0.39
Fertility Sub Index 5.46
Calving Interval (days) -2.75 -1.459 4.01
Survival (%) 1.30 1.117 1.45
Calving Sub Index -0.15
Gestation Length (days) 0.16 -0.919 -0.15
Beef Sub Index 0.58
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.08 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 3.13
Live WT (kg) -10.20 -0.307 3.13
Total Carbon Sub Index 10.23

* Based on an €80/tonne carbon price