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 21.93
Milk (kg) -525.00 -0.014 7.35
Fat (kg) -22.64 -0.375 8.48
Prot (kg) -13.81 -0.441 6.10
Fertility Sub Index 5.17
Calving Interval (days) -2.97 -1.459 4.33
Survival (%) 0.75 1.117 0.84
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 2.49
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) -3.57 -0.432 1.54
Maintenance Sub Index Maint. Sub Index 4.87
Live WT (kg) -15.90 -0.307 4.87
Total Carbon Sub Index 35.57

* Based on an €80/tonne carbon price