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 4.37
Milk (kg) -146.00 -0.014 2.04
Fat (kg) -0.97 -0.375 0.36
Prot (kg) -4.45 -0.441 1.96
Fertility Sub Index 0.66
Calving Interval (days) -0.57 -1.459 0.83
Survival (%) -0.15 1.117 -0.17
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.11
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 1.94 -0.432 -0.84
Maintenance Sub Index Maint. Sub Index 0.46
Live WT (kg) -1.50 -0.307 0.46
Total Carbon Sub Index 6.14

* Based on an €80/tonne carbon price