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 4.02
Milk (kg) -123.00 -0.014 1.72
Fat (kg) -1.88 -0.375 0.70
Prot (kg) -3.61 -0.441 1.59
Fertility Sub Index 0.38
Calving Interval (days) -0.42 -1.459 0.61
Survival (%) -0.21 1.117 -0.23
Calving Sub Index 1.56
Gestation Length (days) -1.70 -0.919 1.56
Beef Sub Index -6.13
Carcass Weight (kg) 5.00 -0.528 -2.64
Age of Slaughter (days) 8.08 -0.432 -3.49
Maintenance Sub Index Maint. Sub Index 1.07
Live WT (kg) -3.50 -0.307 1.07
Total Carbon Sub Index 0.90

* Based on an €80/tonne carbon price