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 2.63
Milk (kg) -61.00 -0.014 0.85
Fat (kg) -2.36 -0.375 0.88
Prot (kg) -2.01 -0.441 0.89
Fertility Sub Index 6.95
Calving Interval (days) -3.07 -1.459 4.48
Survival (%) 2.21 1.117 2.47
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.52
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 2.70 -0.432 -1.17
Maintenance Sub Index Maint. Sub Index 3.03
Live WT (kg) -9.90 -0.307 3.03
Total Carbon Sub Index 16.93

* Based on an €80/tonne carbon price