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 5.08
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -5.43 -0.375 2.03
Prot (kg) -4.56 -0.441 2.01
Fertility Sub Index 1.98
Calving Interval (days) -0.95 -1.459 1.39
Survival (%) 0.53 1.117 0.59
Calving Sub Index 0.07
Gestation Length (days) -0.08 -0.919 0.07
Beef Sub Index 0.83
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 3.58 -0.432 -1.55
Maintenance Sub Index Maint. Sub Index 4.45
Live WT (kg) -14.50 -0.307 4.45
Total Carbon Sub Index 12.41

* Based on an €80/tonne carbon price