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 18.13
Milk (kg) -315.00 -0.014 4.41
Fat (kg) -17.76 -0.375 6.65
Prot (kg) -16.01 -0.441 7.07
Fertility Sub Index -0.61
Calving Interval (days) -1.77 -1.459 2.58
Survival (%) -2.86 1.117 -3.20
Calving Sub Index -3.69
Gestation Length (days) 4.01 -0.919 -3.69
Beef Sub Index 0.57
Carcass Weight (kg) 2.70 -0.528 -1.42
Age of Slaughter (days) -4.63 -0.432 2.00
Maintenance Sub Index Maint. Sub Index -1.47
Live WT (kg) 4.80 -0.307 -1.47
Total Carbon Sub Index 12.93

* Based on an €80/tonne carbon price