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 6.09
Milk (kg) -91.00 -0.014 1.27
Fat (kg) -5.56 -0.375 2.08
Prot (kg) -6.20 -0.441 2.74
Fertility Sub Index -3.22
Calving Interval (days) 1.57 -1.459 -2.29
Survival (%) -0.83 1.117 -0.93
Calving Sub Index 0.27
Gestation Length (days) -0.29 -0.919 0.27
Beef Sub Index 0.61
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 2.98 -0.432 -1.29
Maintenance Sub Index Maint. Sub Index 1.38
Live WT (kg) -4.50 -0.307 1.38
Total Carbon Sub Index 5.13

* Based on an €80/tonne carbon price