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 15.89
Milk (kg) -448.00 -0.014 6.27
Fat (kg) -13.79 -0.375 5.17
Prot (kg) -10.08 -0.441 4.45
Fertility Sub Index 2.50
Calving Interval (days) -2.55 -1.459 3.72
Survival (%) -1.09 1.117 -1.22
Calving Sub Index 1.84
Gestation Length (days) -2.00 -0.919 1.84
Beef Sub Index -1.76
Carcass Weight (kg) 6.40 -0.528 -3.38
Age of Slaughter (days) -3.75 -0.432 1.62
Maintenance Sub Index Maint. Sub Index -0.25
Live WT (kg) 0.80 -0.307 -0.25
Total Carbon Sub Index 18.22

* Based on an €80/tonne carbon price