Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 7.69
Milk (kg) -172.00 -0.014 2.41
Fat (kg) -6.42 -0.375 2.40
Prot (kg) -6.53 -0.441 2.88
Fertility Sub Index 1.00
Calving Interval (days) -0.42 -1.459 0.61
Survival (%) 0.35 1.117 0.39
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -0.07
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 3.59 -0.432 -1.55
Maintenance Sub Index Maint. Sub Index 5.27
Live WT (kg) -17.20 -0.307 5.27
Total Carbon Sub Index 17.59

* Based on an €80/tonne carbon price