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 6.84
Milk (kg) -171.00 -0.014 2.39
Fat (kg) -5.52 -0.375 2.07
Prot (kg) -5.40 -0.441 2.38
Fertility Sub Index 5.06
Calving Interval (days) -4.71 -1.459 6.87
Survival (%) -1.62 1.117 -1.81
Calving Sub Index -3.75
Gestation Length (days) 4.08 -0.919 -3.75
Beef Sub Index 2.79
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) -4.51 -0.432 1.95
Maintenance Sub Index Maint. Sub Index 2.33
Live WT (kg) -7.60 -0.307 2.33
Total Carbon Sub Index 13.28

* Based on an €80/tonne carbon price