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 2.34
Milk (kg) -27.00 -0.014 0.38
Fat (kg) -3.71 -0.375 1.39
Prot (kg) -1.30 -0.441 0.57
Fertility Sub Index 6.08
Calving Interval (days) -2.75 -1.459 4.01
Survival (%) 1.85 1.117 2.07
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.41
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 3.70 -0.432 -1.60
Maintenance Sub Index Maint. Sub Index 5.49
Live WT (kg) -17.90 -0.307 5.49
Total Carbon Sub Index 18.12

* Based on an €80/tonne carbon price