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 21.01
Milk (kg) -580.00 -0.014 8.12
Fat (kg) -11.88 -0.375 4.45
Prot (kg) -19.12 -0.441 8.44
Fertility Sub Index 5.66
Calving Interval (days) -6.03 -1.459 8.80
Survival (%) -2.81 1.117 -3.14
Calving Sub Index 0.76
Gestation Length (days) -0.83 -0.919 0.76
Beef Sub Index -0.66
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 5.81 -0.432 -2.51
Maintenance Sub Index Maint. Sub Index 7.05
Live WT (kg) -23.00 -0.307 7.05
Total Carbon Sub Index 33.81

* Based on an €80/tonne carbon price