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 9.91
Milk (kg) -177.00 -0.014 2.48
Fat (kg) -9.91 -0.375 3.71
Prot (kg) -8.43 -0.441 3.72
Fertility Sub Index 1.08
Calving Interval (days) -1.08 -1.459 1.58
Survival (%) -0.44 1.117 -0.49
Calving Sub Index -0.85
Gestation Length (days) 0.92 -0.919 -0.85
Beef Sub Index -1.26
Carcass Weight (kg) 1.50 -0.528 -0.79
Age of Slaughter (days) 1.08 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index 2.91
Live WT (kg) -9.50 -0.307 2.91
Total Carbon Sub Index 11.80

* Based on an €80/tonne carbon price