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 6.38
Milk (kg) -143.00 -0.014 2.00
Fat (kg) -3.48 -0.375 1.30
Prot (kg) -6.97 -0.441 3.08
Fertility Sub Index -0.15
Calving Interval (days) 0.36 -1.459 -0.53
Survival (%) 0.34 1.117 0.38
Calving Sub Index 2.20
Gestation Length (days) -2.39 -0.919 2.20
Beef Sub Index 1.10
Carcass Weight (kg) -10.70 -0.528 5.64
Age of Slaughter (days) 10.53 -0.432 -4.55
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 11.68

* Based on an €80/tonne carbon price