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 1.56
Milk (kg) -35.00 -0.014 0.49
Fat (kg) -1.22 -0.375 0.46
Prot (kg) -1.39 -0.441 0.61
Fertility Sub Index 6.81
Calving Interval (days) -3.29 -1.459 4.80
Survival (%) 1.80 1.117 2.01
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.44
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) -1.98 -0.432 0.85
Maintenance Sub Index Maint. Sub Index 6.41
Live WT (kg) -20.90 -0.307 6.41
Total Carbon Sub Index 21.03

* Based on an €80/tonne carbon price