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 1.28
Milk (kg) 42.00 -0.014 -0.59
Fat (kg) -0.34 -0.375 0.13
Prot (kg) -3.95 -0.441 1.74
Fertility Sub Index -1.57
Calving Interval (days) 0.73 -1.459 -1.07
Survival (%) -0.45 1.117 -0.50
Calving Sub Index -0.25
Gestation Length (days) 0.27 -0.919 -0.25
Beef Sub Index -1.15
Carcass Weight (kg) 0.90 -0.528 -0.47
Age of Slaughter (days) 1.56 -0.432 -0.67
Maintenance Sub Index Maint. Sub Index -0.52
Live WT (kg) 1.70 -0.307 -0.52
Total Carbon Sub Index -2.20

* Based on an €80/tonne carbon price