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 1.71
Milk (kg) -52.00 -0.014 0.73
Fat (kg) -3.18 -0.375 1.19
Prot (kg) 0.47 -0.441 -0.21
Fertility Sub Index 5.76
Calving Interval (days) -2.45 -1.459 3.57
Survival (%) 1.96 1.117 2.19
Calving Sub Index 3.56
Gestation Length (days) -3.87 -0.919 3.56
Beef Sub Index 2.94
Carcass Weight (kg) -12.40 -0.528 6.54
Age of Slaughter (days) 8.35 -0.432 -3.60
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 17.04

* Based on an €80/tonne carbon price