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 8.48
Milk (kg) -170.00 -0.014 2.38
Fat (kg) -8.63 -0.375 3.23
Prot (kg) -6.50 -0.441 2.87
Fertility Sub Index 3.54
Calving Interval (days) -1.62 -1.459 2.36
Survival (%) 1.05 1.117 1.17
Calving Sub Index -1.31
Gestation Length (days) 1.43 -0.919 -1.31
Beef Sub Index -1.82
Carcass Weight (kg) 0.70 -0.528 -0.37
Age of Slaughter (days) 3.35 -0.432 -1.45
Maintenance Sub Index Maint. Sub Index 4.05
Live WT (kg) -13.20 -0.307 4.05
Total Carbon Sub Index 12.93

* Based on an €80/tonne carbon price