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 9.52
Milk (kg) -189.00 -0.014 2.65
Fat (kg) -12.61 -0.375 4.72
Prot (kg) -4.88 -0.441 2.15
Fertility Sub Index 6.10
Calving Interval (days) -3.01 -1.459 4.39
Survival (%) 1.53 1.117 1.71
Calving Sub Index -2.71
Gestation Length (days) 2.95 -0.919 -2.71
Beef Sub Index -1.11
Carcass Weight (kg) 2.50 -0.528 -1.32
Age of Slaughter (days) -0.48 -0.432 0.21
Maintenance Sub Index Maint. Sub Index 3.34
Live WT (kg) -10.90 -0.307 3.34
Total Carbon Sub Index 15.14

* Based on an €80/tonne carbon price