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 10.56
Milk (kg) -87.00 -0.014 1.22
Fat (kg) -8.73 -0.375 3.27
Prot (kg) -13.76 -0.441 6.07
Fertility Sub Index 1.06
Calving Interval (days) -0.44 -1.459 0.64
Survival (%) 0.37 1.117 0.41
Calving Sub Index -1.35
Gestation Length (days) 1.47 -0.919 -1.35
Beef Sub Index 0.07
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.28 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index 3.00
Live WT (kg) -9.80 -0.307 3.00
Total Carbon Sub Index 13.35

* Based on an €80/tonne carbon price