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 10.54
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -15.04 -0.375 5.63
Prot (kg) -6.65 -0.441 2.94
Fertility Sub Index 2.10
Calving Interval (days) -0.88 -1.459 1.28
Survival (%) 0.73 1.117 0.82
Calving Sub Index -1.55
Gestation Length (days) 1.69 -0.919 -1.55
Beef Sub Index -3.85
Carcass Weight (kg) 2.00 -0.528 -1.06
Age of Slaughter (days) 6.48 -0.432 -2.80
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 9.54

* Based on an €80/tonne carbon price