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 12.06
Milk (kg) -189.00 -0.014 2.65
Fat (kg) -14.21 -0.375 5.32
Prot (kg) -9.28 -0.441 4.10
Fertility Sub Index -4.14
Calving Interval (days) 3.10 -1.459 -4.52
Survival (%) 0.34 1.117 0.38
Calving Sub Index -1.70
Gestation Length (days) 1.85 -0.919 -1.70
Beef Sub Index -1.85
Carcass Weight (kg) 0.10 -0.528 -0.05
Age of Slaughter (days) 4.17 -0.432 -1.80
Maintenance Sub Index Maint. Sub Index 1.26
Live WT (kg) -4.10 -0.307 1.26
Total Carbon Sub Index 5.63

* Based on an €80/tonne carbon price