Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 3.40
Milk (kg) -82.00 -0.014 1.15
Fat (kg) 1.64 -0.375 -0.61
Prot (kg) -6.49 -0.441 2.86
Fertility Sub Index 2.19
Calving Interval (days) -0.95 -1.459 1.39
Survival (%) 0.72 1.117 0.80
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.38
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.56 -0.432 -0.67
Maintenance Sub Index Maint. Sub Index 0.21
Live WT (kg) -0.70 -0.307 0.21
Total Carbon Sub Index 5.72

* Based on an €80/tonne carbon price