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 4.60
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -6.87 -0.375 2.57
Prot (kg) 0.49 -0.441 -0.22
Fertility Sub Index 6.76
Calving Interval (days) -2.38 -1.459 3.47
Survival (%) 2.94 1.117 3.28
Calving Sub Index 3.85
Gestation Length (days) -4.19 -0.919 3.85
Beef Sub Index 2.69
Carcass Weight (kg) -8.20 -0.528 4.33
Age of Slaughter (days) 3.80 -0.432 -1.64
Maintenance Sub Index Maint. Sub Index 1.84
Live WT (kg) -6.00 -0.307 1.84
Total Carbon Sub Index 19.73

* Based on an €80/tonne carbon price