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 2.86
Milk (kg) -40.00 -0.014 0.56
Fat (kg) -3.38 -0.375 1.27
Prot (kg) -2.34 -0.441 1.03
Fertility Sub Index 3.47
Calving Interval (days) -2.17 -1.459 3.17
Survival (%) 0.27 1.117 0.30
Calving Sub Index -0.27
Gestation Length (days) 0.29 -0.919 -0.27
Beef Sub Index -0.27
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 1.72 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index 8.55

* Based on an €80/tonne carbon price