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 12.18
Milk (kg) -222.00 -0.014 3.11
Fat (kg) -14.24 -0.375 5.33
Prot (kg) -8.47 -0.441 3.74
Fertility Sub Index 7.62
Calving Interval (days) -4.76 -1.459 6.95
Survival (%) 0.60 1.117 0.67
Calving Sub Index 1.40
Gestation Length (days) -1.52 -0.919 1.40
Beef Sub Index -2.38
Carcass Weight (kg) 5.20 -0.528 -2.74
Age of Slaughter (days) -0.84 -0.432 0.36
Maintenance Sub Index Maint. Sub Index 1.69
Live WT (kg) -5.50 -0.307 1.69
Total Carbon Sub Index 20.50

* Based on an €80/tonne carbon price