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 3.05
Milk (kg) -104.00 -0.014 1.46
Fat (kg) 0.41 -0.375 -0.15
Prot (kg) -3.95 -0.441 1.74
Fertility Sub Index 2.26
Calving Interval (days) -1.28 -1.459 1.87
Survival (%) 0.35 1.117 0.39
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.26
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -1.70 -0.432 0.73
Maintenance Sub Index Maint. Sub Index 6.28
Live WT (kg) -20.50 -0.307 6.28
Total Carbon Sub Index 16.64

* Based on an €80/tonne carbon price