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 3.02
Milk (kg) -140.00 -0.014 1.96
Fat (kg) 0.80 -0.375 -0.30
Prot (kg) -3.07 -0.441 1.35
Fertility Sub Index 7.67
Calving Interval (days) -3.94 -1.459 5.75
Survival (%) 1.72 1.117 1.92
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -1.90
Carcass Weight (kg) 2.80 -0.528 -1.48
Age of Slaughter (days) 0.99 -0.432 -0.43
Maintenance Sub Index Maint. Sub Index 2.79
Live WT (kg) -9.10 -0.307 2.79
Total Carbon Sub Index 15.38

* Based on an €80/tonne carbon price