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 -2.77
Milk (kg) -32.00 -0.014 0.45
Fat (kg) 5.00 -0.375 -1.87
Prot (kg) 3.05 -0.441 -1.35
Fertility Sub Index -8.83
Calving Interval (days) 3.79 -1.459 -5.53
Survival (%) -2.95 1.117 -3.30
Calving Sub Index 1.24
Gestation Length (days) -1.35 -0.919 1.24
Beef Sub Index 1.08
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 2.26 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index -6.21

* Based on an €80/tonne carbon price