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 20.52
Milk (kg) -324.00 -0.014 4.54
Fat (kg) -23.00 -0.375 8.61
Prot (kg) -16.69 -0.441 7.37
Fertility Sub Index 6.52
Calving Interval (days) -2.97 -1.459 4.33
Survival (%) 1.96 1.117 2.19
Calving Sub Index -1.57
Gestation Length (days) 1.71 -0.919 -1.57
Beef Sub Index -2.12
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 7.60 -0.432 -3.28
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 29.60

* Based on an €80/tonne carbon price